Select into relation already exists oracle sql server. " statement inside a loop.

Select into relation already exists oracle sql server For instance, In MSSQL I used to use the query something like below. I would like to add one more If/Then validity check, however, it is a bit more complicated than the others. util. Oracle Account. I believe it must have something to do with mixing value assignment and data retrieval in a single SELECT statement, which is not allowed in SQL Server: you can have either one  · The [name] field in sys. [CHECKCONSOMMATION] ON [dbo]. To fix it you need to add a where clause to the query inside the exists:. ProductNumber = o. The target table is currently empty, so every row from the source is an insert into the target. I have three tables, (Table1, Table2 and DataTable) and I want to insert into Table1 and Table2 using DataTable as source.  · It sounds like you are trying to use a remote SQL Server to check whether a file exists on your local machine. I have a hunch it's my IF EXISTS (SELECT ) THEN statement that Oracle doesn't like, I've been Googling for similar examples but I couldn't really find anything that worked in my situation. You could TRUNCATE the table rather than dropping it on the fly. T-SQL  · I'm trying to create an Oracle table from a list of attributes with python. sqlのexists文は、「データが存在するかどうか」を判定するための非常に強力な機能です。ただし、多くの方がwhere句でのみ使えると誤解しがちです。本記事では、exists文が実際にはさまざまな場面で使えることを、具体例とその出力結果を交えながら解説します。  · You appear to be trying to recursively add CON_1 or CON_2 values from the CONNECTIONS_TABLE that were connected to a prior ID value in both the TEMP_TABLE and the ID_TABLE. What you do in T-SQL might not be good in PL/SQL. – FreeMan. Sale_Date  · I have a table in SQL Server which has a primary key column. admissions_view as cx WHERE cx. This can be fixed using a table value constructor to create tables out of the values to  · When i insert a new record to the employee table,then a trigger should check whether the given emp_name already exists in the employee table and if exists then add '_1' to emp_name and then insert it into the employee table. ELSE END, tested with MySQL and Oracle: SELECT CASE WHEN EXISTS (SELECT cx. E. This is particularly beneficial when altering tables or adding new columns without risking errors due to existing structures. For ex: Table1 has ID 1,2,3,4,5,6 and table2 has ID of 1,2,3. So far, I'm doing this, which doesn't seem very elegant or efficient: select * from table1 where colX_table_1 NOT IN (select colX_table_2 from table2) and colY_table_1 NOT IN  · AdaTheDEV, I used your syntax and created the following and why. if its exists it will return the primary key. Manage your account and access SELECT department_id FROM departments d WHERE EXISTS (SELECT * FROM . Provide details and share your research! But avoid . id_string FROM process p LEFT JOIN value_search v ON Using the DROP VIEW IF EXISTS clause will save you a lot of stress while keeping your database management tasks neat and effective. The thing is when I do the insert it always rollback. * FROM A WHERE NOT EXISTS(SELECT 1 FROM B WHERE B. 1 with x as ( 2 select 1 as id, 1 as parent, 2 as child from dual union all 3 select 2, 1 , 3 from dual union all 4 select 3 ,1, 4 from dual union all 5 select 4 ,2, 5 from dual union all 6 select 5 ,2, 6 from dual union all 7 select 6 ,3, 7 from  · I'm writing a basic SELECT query, something like: SELECT id, pname, pnumber FROM tableName WHERE pnumber IS NOT NULL I'd like to then perform an INSERT by using the result of that SELECT like so: IF {**the above SELECT query returned 0 rows**} BEGIN INSERT INTO tableName  · BACKGROUND: I have the tables: TUTPRAC: CLASSID, UNITCODE, STAFFNO, CLASSDAY, CLASSTIME, CLASSTYPE, ROOMNUM UNITSTREAM: STREAMID, UNITCODE, STAFFNO, DAY, TIME, LOCATION PROBLEM: So i've got a database and tables and im trying to make a function that checks to see if a  · In my installation of SQL Server 2008 R2, it simply doesn't compile. CloseAndDeallocateCursor @cursorName NVARCHAR(80) AS BEGIN IF CURSOR_STATUS('global', @cursorName) >= -1 BEGIN DECLARE  · I need to select table data in a Oracle Database from a Table, that is available in a SQL Server database. In PostgreSQL, that index must have the same name as the constraint. If developers and DBAs can't work together there's a problem with the company. all_tables where table_name = 'TABLENAME1'; will always return one row. INFORMATION_SCHEMA. I have found the following code to actually add the login to the database, but I want to wrap this in an IF statement (somehow) to check if the login exists first. create or replace trigger merge_tracking_trig for insert or update on customers_dim compound trigger updated_rows dbms_sql. Test WITH (NOLOCK) where CorrelationId =  · Let's say that you have a user with the same name as the database role. 2. VIEWS where table_name = 'MyView' and table_schema = 'MySchema' Edit: This does work on SQL Server, and it doesn't require you joining to sys. It looks like this: SET @local variable= CASE when exists (select field from table where value=0) then 0 when exists (select same field from same table where value=1) then 1 when exists (select same fieldfrom same table where value=2) then 1 else @local variable END  · I forgot to mention there is a 1 to 1 relation between a_id and a_code, my bad (I'll edit the question to reflect that). Oracle uses packages to gather several stored  · First of all, don't trust general statements like Note: SQL Statements that use the SQL EXISTS Condition are very inefficient since the sub-query is RE-RUN for EVERY row in the outer query's table. You don't need the exception handling. * FROM A WHERE ID NOT IN(SELECT ID FROM B) However, meanwhile i prefer NOT EXISTS: SELECT A. Oracle sql doesnt accept IF EXISTS, otherwise I would have done an if - update - else - insert query. postgresql. 5 for LUW) and SQL Server, since 2008. I am not sure its because of the Cursor or from the Trips_ID. If the table didn't exist already, it'll raise an exception. TradeId NOT EXISTS to . UserId <> UserInRoles. SQLSyntaxErrorException: object name already exists: TABLE_NAME ODI-26039 with "java. Problem: Process runs once a quarter taking an hour due to missing index. –  · Oracle: how to UPSERT (update or insert into a table?) Hi, I have a table in which a record has to be modified if it already exists else a new record has to be inserted. id NOT IN (SELECT id. For a table X, you can only ever Select Into it a maximum of 1 time*, after that you need to use Insert Into to append any Area SQL General / SQL Query; Contributor Oracle; Created Monday October 24, 2016; (mgr column) and returns them if they are found at least once. Refreshing the IntelliSense cache does not help. Rather then not creating it at all if it exists, I would approach it the other way, drop it if exists and then create. Your answer is already a perfect solution for the question as a whole. ID_ObservationKind = 39 AND t. The SELECT INTO statement copies data from one table into a new table. e. [dbo]. Each user is associated with many CASES and each USER is associated with many USER_META. How can I check that if this synonym already exists then don't create the synonym if it does. ID =  · you are giving the primary key the same name as the table, this is not allowed as both are schema scoped objects and multiple objects can't have the same schema_name. Help me. IF (EXISTS (SELECT * FROM INFORMATION_SCHEMA. To solve this, I have created two anonymous blocks, the first one having the create table statement, commit it and end the block. Here's a scenario that does not have 10 in your referenced table:. The SQL SELECT INTO Statement.  · Besides, this syntax will not work in SQL Server, you need to change it slightly: DELETE e1 --Here is the difference FROM EMP E1 where E1.  · I need to check if a specific login already exists on the SQL Server, and if it doesn't, then I need to add it. exists checks if there is at least one row in the sub query. Now I'm trying with this solution:  · I need to check whether a combination of values in my table A exists in the specified corresponding set of columns in a different table, B. id = t1. You don't see any value, I don't see any harm. CREATE OR ALTER PROCEDURE dbo. About the LEFT JOIN / IS NULL antijoin method, a correction: this is equivalent to NOT EXISTS (SELECT ). Using NOT EXISTS: (id, name) t1. Basically, what you wrote was "insert into tbl01 if no records exists in tbl01". I've looked at MERGE but it only works for  · You cannot create more tables with the same name - so statement CREATE should fail if there is a table with the same name already. ID = TableA. . ADR'. In order to check I'm doing this: if not exists (SELECT * FROM INFORMATION_SCHEMA. I think the query must be something like this: select . And you cannot add GO inside your procedure. WHERE to check for existence and insert in the same query. CREATE VIEW [Christmas_Sale] AS SELECT C. Any help is most appreciated. WHERE NOT EXISTS(SELECT id.  · Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future I'm trying to do a SELECT INTO using Oracle. SELECT ticker FROM tickerdb; Using OracleSql I am trying to get the ticker symbol "GOOG" from the tickerdb table, and insert the t. However, Aaron's script would return the following error: User, group, or role 'name' already exists in the I would like this to be the ultimate discussion on how to check if a table exists in SQL Server 2000/2005 using SQL (255), IN tableName CHAR(255), OUT boolExistsOrNot CHAR(40) ) BEGIN SELECT count(*) INTO boolExistsOrNot FROM information_schema. sql; sql-server; sql-server-2005; Share. I have struggled with the same dumb claim that SELECT * is slower. Below is my query Toggle Dismiss. ID _ObservationKind = 39 SQL Server insert  · THEN . if exists ( select 1 from information_schema. schemas to get the schema of the view. INSERT ALL INTO table1(email, campaign_id) VALUES (email, campaign_id) WITH source_data AS (SELECT '[email protected]' email,100 campaign_id FROM dual UNION ALL SELECT '[email protected]' email,200 campaign_id FROM dual)  · I really haven't done a lot of SQL before so I'm not that familiar with the syntax. ticker into the stockdb table. empno ) EMPNO ENAME JOB MGR HIREDATE SAL COMM DEPTNO; 7566:  · I need to declare a new OBJECT TYPE in PL/SQL to hold rows in a join query that only selects a few columns. FullName FROM Users INNER JOIN UserInRoles ON Users. veh_year AND MAKE = table2  · Table 'dbo. The table was created dynamically, but the rest of the statements were trying to access the static data. [AddTest_WhereInsert] ( @CorrelationId uniqueidentifier, @TransactionId BIGINT ) AS BEGIN INSERT INTO dbo. EMPNAME = US2. *, CASE WHEN EXISTS (SELECT S. g. Just drop the table. Thanks, Kartic. SELECT * INTO TargetReportingTable FROM SourceView END ELSE BEGIN -- Table already exists so work out the last record which was copied over -- and insert only the  · James's answer works just fine if you know the name of the actual constraint. If you want to insert a color only if it doesn't exist, use INSERT . WHERE t2. a_code is also unique and not null, just not the primary key. table_name WHERE column_name = 'Column Value') I need to insert a row if the same row does not exist already. This allows you to insert the row if it doesn't exist and ignore the row if it does exist. Id, NewFiled = (IF EXISTS(SELECT Id FROM TABLE2 WHERE TABLE2. ID=A. plsql; See similar questions with these tags. –  · As the documentation states, EXISTS() tests for the existence of a numbered entry in a collection. Unfortunatly during the procedure I can't guarante that there is always a row to the corresponding where condition  · Look into T-SQL IFELSE, that will probably be easiest.  · I found useful this: CREATE GLOBAL TEMPORARY TABLE MY_TEMPORARY_TABLE ON COMMIT PRESERVE ROWS AS ( SELECT * FROM MY_TABLE WHERE MY_CONDITION ) The clause ON COMMIT PRESERVE ROWS overrides the default one (ON COMMIT DELETE ROWS). If you try and insert into a table, and a primary key conflict is found, Oracle raises the 'dup_val_on_index SQL Server SELECT into existing table. Modified 14 years, copy and paste this URL into your RSS reader. [and ] in this case). Asking for help, clarification, or responding to other answers. So you need to remove the ON  · It is used to retrieve only the first few records. According to MSDN, exists:. sql Not exists query. id=1111 and cx. AND, you don't specify the table name for DROP TRIGGER since the trigger is an object by itself (unlike indexes). ProductNumber) IN is used to compare one value to several, and can use literal values, like this:. Notably, the TOP clause is specific to MSSQL server. Insert Statement Based on Select Statement with  · I'm using SQL Server 2019, but this mentions that it was available since SQL Server 2016. SELECT c. @jazzcat select * in this case makes no difference whatsoever because it's being used in an EXISTS clause. An EXISTS condition tests for existence of rows  · In SQL Server, performance wise, it is better to use IF EXISTS (select * select count(*) into v_cnt from dual where exists (select null from TABLE where ); whichever syntax you prefer. *, USERS. Correction: Alter query process or Procedure to check for index and create it if missing Same code is placed at the end of the query and procedure to remove What is the equivalent of the below SQL Query in Oracle? SELECT CAST( CASE WHEN EXISTS(SELECT * FROM theTable where theColumn like 'theValue%') THEN 1 ELSE 0 END AS BIT) I just want an  · SELECT A. While * vs 1 vs 1/0 may not make any performance difference there is a case where it does make a difference. In input I have: Is there a way I can improve this kind of SQL query performance: INSERT INTO WHERE NOT EXISTS(Validation) The problem is when I have many data in my table (like million of rows), the execution of the WHERE NOT EXISTS clause if very slow. name, p. #Results') IS NOT NULL DROP TABLE #Results did not drop the temp table being part of single batch. The database must already exist or must be created so that the duplicate table can be created in it. This method is used when the table is already created in the database earlier and the data is to be inserted into this table from another table.  · fetch first 5 rows only. If this is the case you risk creating duplicate constraints, to avoid you can use: create function fnGetForeignKeyName (  · The best way is to check for objects and drop them if they exist before you create them. case when exists ( select * from Students s where colum_name='pec') then nvl(  · First check if table is already exist in the database or not which I know we can get from this. You need to learn the Oracle way of doing things. create table cst_new_customer ( cstmr_int_id int not null primary key); insert into cst_new_customer (cstmr_int_id) values (9), (11); create table rec_new_records ( cstmr_int_id int not null primary  · CREATE OR ALTER PROCEDURE [dbo]. The information does not appear to be in INFORMATION_SCHEMA, but if it is in there somewhere, I would prefer to use it from there. ID), but since the tables are huge, the performance on this is terrible. You would use SELECT INTO only in the case where the table didn't exist and you wanted to create it based on the results of your query.  · Assuming you are on 10g, you can also use the MERGE statement. PSQLException: ERROR: relation "contacts" does not exist I think PostgreSQL needs a SQL statement to formatted like the following: "schema". Please try again later. The two behave differently. If you haven't already done so, I suggest reading the PL/SQL Language Reference which is part of the Oracle database documentation. If we get any rows returned in our output, then it means that the record exists; otherwise, it doesn’t. Note: There can be much more complicated select query result, inserted to the temp table. " I checked these question as well. Commented Nov 18, 2011 at 22:43. I can't see your database so that's about all I can tell you. [Deductions] b WHERE SQL Server: Insert record into a table if it doesn't exist. all_tables where  · I want to run a set of queries to insert some data into an SQL table but only if the record satisfying certain criteria are met. yourProc as begin select 1 as [not yet implemented] end go set noexec off alter procedure dbo. When a User clicks on Insert button a new  · What is the underlying logic you want to implement? If, for instance, you want to test for the existence of a record to determine to insert or update then a better choice would be to use MERGE instead. Foo' already exists. databasename. EMPSALARY = 100 and EXISTS (SELECT E2 FROM EMP E2 WHERE E2.  · Hello i use oracle SQL developer I have create a procedure, and i need to check if a table exist, if not exist i must create how can do? I have try this DECLARE v_emp int:=0; BEGIN SELECT coun  · I think the problem is you need to add GO statement in between to separate the execution into batches. BEGIN TRAN SELECT 1 FROM tblDelegate WITH (TABLOCK) WHERE  · WHILE EXISTS (SELECT DISTINCT Candidate_ID from CandidateDocsAssociation WHERE Doc_ID <> INSERT INTO CandidateDocsAssociation (Doc_ID, SQL Server: Endless WHILE EXISTS loop. sql. tables where table_name = 'vw_myview' and table_type = 'view' ) begin create view  · Another approach would be to leverage the INSERT ALL syntax from oracle,. 0. If you write INSERT INTO table Select ID FROM Table1 where ID NOT EXIST / NOT IN( Select ID from table2), the values that will be inserted are  · Well let's say I'm inserting things into a table based on another table. IF EXISTS Applies to: SQL Server (SQL Server 2016 (13. The SQL Server (Transact-SQL) SELECT INTO statement is used to create a table from an existing table by copying the existing table's columns. TABLES WHERE (TABLE_SCHEMA C# SQL create table IF  · I read the question that the main concern is how to avoid the arousal of noise. During the procedure there is a "SELECT x INTO y FROM TABLE z WHERE" statement inside a loop. Insert into Itemlookup (ItemNumber, Cases, Shift, [TimeStamp]) Select a. IF OBJECT_ID('tempdb. pick one and dont mix the two. tablename To create a linkedserver, go to  · For checking, use a UNIQUE check constraint. Thanks galador, I'm pretty much exclusively an Oracle guy, so I wasn't sure if MERGE was INSERT INTO SELECT if NOT EXISTS in oracle.  · I have 3 tables; CASES, USERS and USER_META. Also, I mean creating the table while simultaneously adding values into it via code in one shot, not doing it via importing a spreadsheet. You are selecting 'name' to go into the UserData 'name' variable but you are selecting 'location' and somehow  · Oracle Data Integrator ODI-26039 with "java. Improve this answer. id_string is NULL. This indicates that either A) the table was entered incorrectly, B) that table name wasn't enclosed in double-quotes, or C) it's already been purged from the recycle bin. dbo in this case) or any text qualifiers (i. tables where table_name = 'myitems' and table_type = 'base table' ) begin if not exists ( select 1 from information_schema. Modified 10 years ago. Related. My literals, aliased as new, are (a_code, b_value) pairs. Copy all columns into a new table:  · You already found that the root of the problem was that the primary key had the same name as the table, but let me explain why that is a problem. Improve this question. 1. I'm not sure why. The table has 4 fields: id (primary), fund_id, date and price I have 3 fields in the query: fund_id, date and price. To complete the insert statement, I have to retrieve some info with an insert select. 1 for creating a synonym. 35. Or similar, with exists: insert into destination select 'id', 'xyz' from dual where not exists INSERT INTO SELECT if NOT EXISTS in oracle.  · If the combination of columns value OID, EXID already exists in the table then:-set LATEST_MODIFY_DATE = now ()-append the name of the file to FILENAME (prepend a comma – no space) I can then simply run this query once in a day to update my VK_MODIFY table. As well as doing this you can test to see if the value exists before inserting it using your stored procedure. id FROM fdd. T-SQL and PL/SQL are very different. My oracle version is 11g. IF Boolean_expression { sql_statement | statement_block } [ ELSE { sql_statement | statement_block } ] The boolean expression can be a subquery where you can use the EXISTS operator. objects where object_id = object_id('dbo. Let's say table1 has two columns. Data = 'No' AND t. what should I do? ALTER TRIGGER [dbo]. This query should work: INSERT INTO table1 SELECT col1, col2 FROM table2 This WOULD NOT work (value for col2 is not specified):. I have a table searchaddress which has column searchaddress_pk,town,street,postcode. See an example here. SELECT 'TRUE' FROM DUAL WHERE EXISTS (SELECT 'x' FROM table WHERE user_id = 'id') UNION SELECT 'FALSE' FROM DUAL WHERE NOT  · Change the part. example: I can not add a rdv with temps_rdv = 12-06-2023. Ex: [linkedserver]. table_name WHERE NOT EXISTS (SELECT NULL FROM database_name. emp e2 where e2. For this issue you need to know that the USER_META table has 3 columns; user_id, meta_key and meta_value. However, if you're looking at the subquery first and then doing the exists (which isn't (afaik) How to select Boolean value from sub query with IF EXISTS statement (SQL Server)? It should be something like : SELECT TABLE1.  · this code may helps you,try once. As you have already created the table, you want to use INSERT INTO. I want to avoid two INSERT INTO-SELECT statements based on some condition. ORA-00942: table or view does not exist [Microsoft][ODBC SQL Server Driver][SQL Server]Invalid object name 'DBO. myFinalTable from Create a Server. For appeals, questions and feedback about Oracle Forums, please email oracle-forums-moderators_us SELECT COUNT(CONSTRAINT_NAME) INTO  · I have searched the net and I've found a post that uses the following snippet to check if a stored procedure exists: select * from USER_SOURCE where type Before posting SQL Server ways, please I'm looking for ORACLE stored procedure was inside package. FROM TABLE_2) Using LEFT JOIN/IS NULL: (id, name) SELECT t1. number_table; merge_datetime timestamp := systimestamp; after each row is begin if inserting  · The purpose of NOT EXIST is to exclude or include specific data (depending on how you look at it). This is less important if  · kindly let me know the best way to check whether a table exists using oracle sql. I mean, looking at how complicated the other answers are I'd say they're much harder to get right (and keep right). table foo: - int id - varchar state - int code1 - int code2 I want to do an sql insert if the record not already exist. The first approach is a bit more compact but, to my eye, the second approach is a bit more clear since you really  · The best way to do this would be to create a "linked server" between the two. You'll then get a key violation if you try to insert a dupe.  · SELECT 1 FROM dual WHERE EXISTS( SELECT 1 FROM employee WHERE name like 'kaushik%' ) where the EXISTS clause allows Oracle to stop looking as soon as it finds the first matching row. TABLES WHERE TABLE_NAME = N'dbo. This does update-if-exists, insert-if-not-exists logic in one statement. It's the simplest and the most robust answer. Something like: IF (SELECT COUNT(*) FROM user_objects WHERE LOWER(object_name) = 'my_custom_type') = 0 THEN  · @ayyoobimani - OK, so then Gordon Linoff's guess was right, you actually do want to do two things at the same time: SELECT (something) in both cases, and in case b = 1 does not exist in the table, you want to INSERT into the table? This will require two steps; you can do the INSERT first (but only if b = 1 is  · Expanding on a previous answer, this proc is useful to call if you are worried that the cursor may have been left open or allocated. ID) There are other options as well, this article explains all advantages and disadvantages very well: Should I use NOT IN,  · You need to write a pl/sql block. The SQL Server docs mention it here under the ALTER TABLE page, and not under this Delete Check Constraints page.  · @AdriaanDavel l that's what DBAs are for, and getting DBAs to talk to developers is called management. SELECT p. With some short examples, you’ll discover how you can use this construct to quickly create new  · I created a procedure but its saying the name already exist and im a little confused because I havent created it for my procedure. Then you can select the rows that you want (Ctrl + Click or Ctrl + A), and Right click and Copy (Note: If you want to add a "where" condition, then  · Aha, it's literally just popped into my head why others might prefer to select a constant - to me, an exists/not exists check just looks at the predicates; it's ignoring the select part completely, so to make it clear, I use NULL. SYS. objects will contain only the actual name (i. select * from scott. Also you mentioned that you don't want rows where process. The new table I'm creating will be made by querying data from another table, not an xlsx file  · In this tutorial, we’ll explore inserting a row into a SQL table or updating the row if it already exists. 今度はexists（存在する）とは反対の「存在しない」を条件にする、not existsについて解説します。  · 本記事ではSQLがよくわからないという人に向けて、SQL文法のなかでも難易度の高い「EXISTS」の基礎から使い方、類似文法との違いまで解説します。今後のSQL学習の参考にしてみてください。 目次 1. The tricky thing is that in legacy and other real world scenarios you may not know what the constraint is called.  · if not exists句の活用 (最も一般的) これは最もシンプルで推奨される方法です。create table、create index、create viewなどのsql文にif not exists句を追加することで、指定された名前のリレーションがすでに存在する場合でもエラーを発生させずに処理をスキップできます。 I'm looking for the most portable method to check for existence of a trigger in MS SQL Server. To  · I don't want temp tables. How to check if a column exists in a SQL  · はじめに. Let’s look at how we can use the MERGE statement:  · In some you can even write (NOT) EXISTS (SELECT 1/0 ) and the result is the same - without any (division by zero) error, which proves that the expression there is not even evaluated. I elected to try an outer join on a placeholder select of a constant from dual to force the return of at least one row. Announcement . From a security standpoint, all 3 choices require you to have access to all columns while naming a specific column causes only columns actually named in the query to be checked. SELECT INTO Syntax. AreaSubscription WHERE  · Hi. Column List: We can use the asterisk (*) to create a full temporary copy of the source table or can select the particular columns of the source table Destination Table: This table refers to the temporary table name to which we will create and insert the data. You can do this instead: CREATE TABLE cardissuedates ( clientid char(36) NOT NULL, issuedate date NOT NULL The problem is that your inner query does not depend on the temp table in any way. I do know of this method:  · I need to select into a local variable only if there exists data. sql select 'create index t_idx on t(x);' from dual where not exists ( select null from user_indexes where index_name = 'T_IDX' ); spool off set feedback on set  · I have two tables Category and Device with one-to-many relationship. I have a requirement where i have to insert the values of some table to a temporary table. I can create the TYPE just fine, but it becomes part of the schema. @isExists OUTPUT insert into @Sample Select @count,@inputFile ,case @isExists when 1 then 'Yes' else 'No' end as isExists set @count=@count+1 END Explore related questions. But install says: The SID you have specified already exists on this machine. We can specify the destination table as a local or global temporary table. This is why I need it: I have a RadGridView (using Telerik and WPF). tblObservations t2 WHERE t2. I tried a trigger, but it doesn't seem to work  · First note: Select count(*) into Table_exists from sys. Set-based solutions were provided and you should consider them. SQL Server stored procedure -  · When I put where not exists, it is saying "Incorrect syntax near where. This resulted in the  · Hello, I uninstalled 9i whose SID is, say, BLNG. All this steps wrapped by a transaction.  · You can use EXISTS in a SQL query, but not in a PLSQL condition the way you tried. If you simply want to return strings 'TRUE' and 'FALSE' you can do this. A local temp table is created on the fly, is only accessible from the session where it is created, and is dropped when that session closes it's  · In general if you want rows that don't exist in another table, then LEFT JOIN the other table and WHERE IS NULL to a column on the second table. SQLSyntaxErrorException: object name already exists: TABLE_NAME in statement []" Testing Data Server Connection (Doc ID  · The issue was because of the static SQL data. (Sql Server 2k8) IP | Member (NOT EXISTS (SELECT * FROM INFORMATION_SCHEMA. If you expect the record to exist most of the time, this is probably the most efficient way of doing things  · I have tried using the If not exists, but am not getting any luck. INSERT INTO table2 (co1, col2, col3) SELECT col1, col2, col3 FROM table1  · Oracle RDBMS does not have boolean data type, you can only use boolean variables in PL/SQL. TSQL - WHILE LOOP. You can check if the user exists in the all_users table using some pl/sql code like: SELECT count(*) INTO v_count_user FROM all_users WHERE username = 'Kyle' and then use v_count_user in an IF condition to conditionally execute the create user statement. *, There is an easier way where you don't have to type any code (Ideal for Testing or One-time updates): Step 1. yourProc as begin /*body of  · @user2397125: ORA-00942 is "table or view does not exist". Only inserting a row if it's not already there and sql conditional insert if row doesn't already exist. PL/SQL is compiled prior to execution and reside in database. Adding a Column with  · This is the most portable, least intrusive way: select count(*) from INFORMATION_SCHEMA. I am simply begging for a complete coverage of the issue so I wouldn't have to address the silliness ever again. Making statements based on opinion; back them up with references or personal experience. Okay setting the scene. Can you please try the following instead: DECLARE STANDARD_LINK_ID TABLEB. Set up. My best guess is that you have more than one table called TABLENAME1. The downsides: [1] it's not obvious from reading the code that uniqueness is enforced in the DB [2] the  · Unfortunately you cannot simply copy code from SQL Server to Oracle. e, actualtable in the below example can  · What I want is: If key exist in Oracle SQL Table → UPDATE, otherwise do a INSERT After playing all day yesterday, I managed to get the INSERT part (query below), what I now need is the UPDATE part. We are using SQL Server 2005.  · If you want to use the SQL ISO standard INFORMATION_SCHEMA and not the SQL Server-specific sysobjects, you can do this: IF EXISTS ( SELECT ROUTINE_NAME FROM INFORMATION_SCHEMA.  · I'm trying to create a table if it doesn't exist already. campus='MEXI') THEN 1 ELSE 0 END FROM DUAL Update: Found some related Q/A: Optimizing SELECT COUNT to EXISTS; is it possible to select  · If you are using SQL SERVER then you can achive this using IF ELSE, I name your table as TAB, Please change accordingly. Please specify a different SID. My query is: SELECT * INTO new_table FROM old_table; If NEW_TABLE already exists then insert into new_table select * from old_table / It is a language for writing stored procedures and has no direct relation to sql standard. IF  · @Vilx: I already knew this to be true. Have a look at this small example. you will not even need to add the drop table statement, as every call to this procedure will  · About the LEFT JOIN / IS NULL antijoin method, a correction: this is equivalent to NOT EXISTS (SELECT ). Name = NewNames. insert data from one table to another in sql which already do not exist.  · There are two different ways to implement inserting data from one table to another table. FROM . We can use SELECT INTO to duplicate an existing table in the same database or into another database. You don't appear to need the WHILE loop (or even PL/SQL) and can use a single MERGE statement and a hierarchical query:. I assume I am doing something wrong as when I run the SELECT * FROM [Christmas_Sale] it takes forever for SQL to load the code. *, d. COLUMNS table instead of sys. SELECT * FROM Orders WHERE ProductNumber IN (1, 10, 100) You can also use query results with the IN clause,  · @OlivierJacot-Descombes is correct, you should define precise columns you want those values to be put in and you should put them in the same order as values you're inputting. There are a couple of methods to create a new table in SQL Server. The primary difference is that SELECT INTO MyTable will create a new table called MyTable with the results, while INSERT INTO requires that MyTable already exists. I'm joining that with table a in order to get the corresponding a_id for each a_code Changing the expression: FROM Table1 WHERE a IN( SELECT c FROM Table2 ) To an EXISTS is a simple matter of:.  · that's what you chose, I presume, because Apex tried to create a table that already exists; existing table that's what you should have chosen, because - as you said - you already created the target table; If that's so, pick the existing table. category_id = c.  · An approach compliant with older SQL standards and therefore compatible with a broader range of DBMS (as of now SQLite, for example, does not support MERGE) is to use a technique involving a mutex table: CREATE TABLE mutex (i INT); INSERT INTO mutex VALUES (0); That enables the emulation of an  · Track INSERTs vs UPDATEs. Viewed 13k times Explore related questions. Ask Question Asked 14 years, 3 months ago. Questions; Help; Chat; Products. tblObservations t WHERE t.  · I am a newbie to oracle. ItemNumber, b.  · It is a bad idea to DROP and CREATE tables on the fly. Normally in long lenghty scripts if you want to update the definition of a trigger you would just simply add  · And it DOES NOT insert into the table because the record already exists. ItemNumber  · I came upon this thread when googling select into where exists. None of the examples worked for me so I suggest this example: INSERT INTO database_name. TradeId NOT IN Have a look at the difference between EXISTS (Transact-SQL) and IN (Transact-SQL). LINK_ID%type; URL_COUNT NUMBER(10); BEGIN FOR LINK_ROW IN ( SELECT LINKTEXT, LINKURL, CORPID  · I would like to insert records in SQL such that if the combination of entry exists then the script should not proceed with the insert statement. That wouldn't be required if you're inserting in all the existing columns of your table, but that's obviously not the case here as both  · I have table foo with PK int id,varchar state. So your promotion scripts would drop the view if it existed and then have a CREATE VIEW statement so it could be  · One of the checks is to check if a row with primary key already exist Skip to main content. I have to do this verification because I can't insert duplicated data. I like to insert only if the row is not present in TABLE1. SELECT * FROM Orders o WHERE EXISTS ( SELECT * FROM Products p WHERE p. From 10g onwards we can do  · There is no relation between table1 and table2. e. What you are trying to do in your first example is test whether the instance tmp matches an element in ObjectList. And yes, Oracle made many things  · Yes, they are the same. dbo. Here If they already exist then you don't insert into Competitor for those Competitors and do insert for the new That's a sort of rudimentary description of what I've seen done over and over in the real world with Oracle Applications, How do I UPDATE from a SELECT in SQL Server? 2197. You can run the statement DROP TABLE before - but be aware! - it drops the table with all it's data, and undo is not possible. COLUMNS WHERE TABLE_NAME IN ( SELECT NAME FROM TempDB. This is a common requirement in many applications where we must insert new data or update existing data based on certain conditions. This is what I have and 9. Specifies a subquery to test for the existence of rows. The only "trick" is that FROM needs a table. here is what i have so far : insert into TABLE_TESTING(R_COMPONENT_ID,OPRID) select 1942,'Test' from TABLE_TESTING where not exists (select * from  · The most efficient method is, don't. Then it's just a matter of accessing the databases using your linkedserver name. js SQL Aliases SQL Joins SQL Inner Join SQL Left Join SQL Right Join SQL Full Join SQL Self Join SQL Union SQL Group By SQL Having SQL Exists SQL Any, All SQL Select Into SQL Insert Into Select SQL Case SQL Null Functions SQL Stored Procedures The  · I am using Oracle SQL developer 2. column2); or  · This can be done without specifying the columns in the INSERT INTO part if you are supplying values for all columns in the SELECT part. Picture an update that joins to 15 tables and the right side of the set comes from a different table. Since Table Variables have scope within the stored proc they were defined in, they are the  · I have to vote for adding a CONSTRAINT. – bhamby. Temp tables are expensive and slow. I did the approach at this thread but SQL Server's pre check or 'sort of compilation'  · Add a unique key constraint to the courseid and cpuuserid columns. myFinalTable') begin select * into dbo. But, it doesn't seem to have query to insert using if not exists.  · Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future  · You said that you are inserting a row into TABLE_2, and you found out that there's nothing inserted. Please note that after the insert, I'm not interested to know whether the record was already there or whether it's a brand  · OracleのEXISTS（相関副問い合わせ） Oracleで副問合せに行が存在するかどうかを取得するには「EXISTS」を使います。 今回は「EXISTS」の使い方を紹介します。 WHERE EXISTS(副問い合わせSQL)  · I have a function which has three If/Then statements before opening a cursor. 432.  · INSERT INTO myTable ( Name ) SELECT DISTINCT Name FROM ( VALUES ('Name 1'), ('Name 2') ) AS NewNames(Name) WHERE NOT EXISTS (SELECT 1 FROM TargetTable WHERE myTable. sql; oracle-database; check whether the synonym exists select 1 into l_exists from all_synonyms where owner = 'ETKS_PR_RW' and synonym_name =  · The way I am currently doing this is by saying AND NOT EXISTS (SELECT ID FROM TableB where TableB. How  · I'm trying to execute a query within a loop which is within another loop, which is within an anonymous code block. id) Using NOT IN: (id, name) t1. When doing INSERT INTO T1 SELECT + ',%' --Option of columns to not create Vathaire 13/02/2020 IF EXISTS (SELECT TOP 1 1 FROM #PRC_MATCH_INSERT_CREATE_COLUMNS) BEGIN DECLARE @NEW_COLUMNS NVARCHAR (MAX Related. Foo', because it does not exist or you do not have permission. select from tickerdb table --> insert into quotedb table  · org. The EXISTS clause itself tells the query optimizer to only perform the minimum reads necessary to evaluate the EXISTS at least in SQL  · I'm using Oracle SQL and have a procedure that is doing some operations on tables. 5 rows selected. FROM Table1  · One idiom that I've been using lately that I like quite a lot is: if exists (select 1 from sys. I am fairly new to sql so I am not sure if my explanation of is good. mgr = e1. Create your own server using Python, PHP, React. Right click on table in the explorer and select "Edit top 100 rows"; Step 2. This can be true for some database systems, but other database systems might be able to find a more efficient  · Notice that you have both directions - parent and child. It needs to work on at least SQL Server 2000, 2005 and preferably 2008. object_name.  · @BanketeshvarNarayan this is incorrect. exists(3) asserts that the third element of array is populated. My current query is like this. TABLES WHERE TABLE_SCHEMA = 'TheSchema' AND TABLE_NAME = 'x')) Second I need to update the table name if it is already an  · If you "SELECT name, location FROM myTable" as the values you will be inserting into the UserData table doesn't it matter if the names of the variables in the select match the names in the table definition. Run this query to find out: Select * from sys. EMPNAME --WTH this alias came from? AND E1. sql; sql  · So I think the third option is the best for this scenario (only insert the record if it doesn't already exist, no need to update if it does), but I would like to know what SQL Server experts think. The parser complains about there being incorrect syntax near =. The columns in the sub query don't matter in any way. trg), not including the schema (i. If you keep the default  · I want to create a trigger to check if a record exist before insert, if it exists rollback, if not continue to do the insert. In this case, NOT EXISTS vs LEFT JOIN / IS NULL, you may get different execution plans. You can use the table designer of SQL Server Management Studio (SSMS) or you can write a CREATE TABLE statement using T-SQL.  · declare l_exists integer :=0; p_empno integer :=7839; begin begin select 1 into l_exists from emp where empno=p_empno; exception when no_data_found then l_exists:=0; end; if l_exists=1 then  · The MERGE statement in SQL can insert a new record into a table or update the existing record if it already exists. If so, it evaluates to true. While loop issues. tables WHERE table_name = TargetReportingTable) = 0 BEGIN -- Table does not exists, so insert into. Second alternative is using the clause IF NOT EXISTS in CREATE statement:. WHERE t1. DROP TABLE IF EXISTS Oracle,  · In SQL Server I can use the SQL below to check if a constraint exists and if it's a primary key, SQL for Oracle to check if a constraint exists. x) and later) and Azure SQL IBM DB2 to SQL Server Informix to SQL Server MySQL to SQL Server Oracle to SQL Server PostgreSQL to SQL Server Sybase ASE to SQL Server Sybase ASA to SQL Server Sybase ADS to SQL Server. EXISTSを学ぶ上でのSQLの予備  · I do not know if this constraint already existed in the table. SQL Server will always optimize it and has been where a handful of those records already exist in the database, I just don't know which ones. insert into tbl01 (sale_store, sale_dt, sale_register, sale_trans) select distinct sale_store, sale_dt,  · To troubleshoot, run the subquery on it's own to see there are any results. TABLES WHERE TABLE_SCHEMA = 'dbo ' AND TABLE_NAME (only if they dont exist already in IpConfig table) – now he who must not be I came across a piece of T-SQL I was trying to convert into Oracle. using customers_stage cs . You may need the following: declare vCheck number; begin select count(1) into vCheck from user_constraints where constraint_name = 'FK_STATIONOBJECTSID' and table_name = 'ATTENDANCE'; -- if vCheck = 0  · ※ 相関サブクエリ イコール existsというわけではなく、exists、not exists以外のsql文でも相関サブクエリを使うことがあります。 存在しない not exists. As the second drop script i. Follow edited Jun 17, 2013 at 11:11. UserId  · SQL Server : EXISTS (SELECT INTO) Ask Question Asked 13 years, 6 months I execute the second query, and if it returns empty set too, I give to the server the last chance and do the third: SELECT INTO #Query1 IF EXISTS(SELECT * FROM #Query1) SELECT * FROM #Query1 Related. This is for a booking system, so it must be atomic and reliable. I might do something like INSERT INTO myTable (column1, column2)SELECT column1, column2 FROM myOtherTable AS O WHERE NOT EXISTS (SELECT 1 FROM myTable WHERE column1 = O. Anyway, if you really  · I trying to create a SQL query with a CASE WHEN EXISTS clause in SQL Server. ROUTINES WHERE ROUTINE_NAME = N'FunctionName' ) DROP FUNCTION [dbo]. Also, if both columns are NOT NULL, should be equivalent in SQL server. Furthermore, by combining the TOP clause with a SELECT query, we can verify the existence of a record by examining the returned result set. The execution plans for subqueries in an EXISTS clause are identical. Is there a way to just check in the same statement so I don't have to break it up into separate queries? This is what I have currently. SQL Fiddle DEMO. * FROM Category c INNER JOIN Device d ON d. table_name(column_name) SELECT column_name FROM database_name.  · We already have this table (IPConfig) in db. The optimizers of other DBMS (SQL Server, Oracle, Postgres, DB2)  · Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. Further to that, maybe revisit the Syntax of CASE (Transact-SQL). With the SELECT INTO construct, we have a third option available. TimeStamp from ItemsProduced a innerjoin MasterItemList b on a. Add a WHERE on the end of the internal SELECT. CaseCount, a. I am trying to write a pl/sql where it checks whether the row exists and inserts if not. So my query would go something like this: INSERT INTO funds (fund_id, 4) SQL Server SELECT INTO – replicating an existing table into another database. I hope you find this guide useful. Oracle SQL COUNT in an EXISTS SELECT. I have 3 tables. Description. "tablename" To include parenthesis around the schema name followed by a dot, followed by the table name. Category: - id - name Device: - id - category_id - brand If I want to retrieve all categories with devices I can easily join these two tables. id  · i want to insert values in rdv table, but before inserting any thing i need to check first if " temps_rdv " doesn't exist in the daysoff table. I tried before insert trigger and not getting any ideas now. If I'm entering a new update into a table, the primary key of which already exists as an entry, should I delete the previous entry prior to insertion, or is there a way to overwrite the existing entry?  · Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future  · Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future  · EXISTS will tell you whether a query returned any results. Not related to your problem, when running exists/not exists queries, you don't need much in the select clause. EMPSALARY = 1000); Not sure SQL Server question. Thanks for the answer , my requirement is to check from the first date of current month ie 01/12/2010 with table name in the format suresh_20101201 exists in the database, if not then it should check for table suresh_20101202 and  · SELECT INTO is used to create a table based on the data you have. [ConsommationEau] FOR INSERT AS  · I want to use NOT EXISTS so that if there is already a row with that value then FROM dbo. I want it to display the information from the rows. So I want to check if this exists first. :. I wanted to avoid the two step checking whether a row is found when doing a select into, and I don't like the idea of using an exception. FROM TABLE_2 t2. Without ISOLATION LEVEL SERIALIZABLE, the default isolation level (READ COMMITTED) would not lock the  · It's subjective. DROP TABLE IF EXISTS foo; CREATE  · I need to check if colum already exists. Stack Overflow. ItemNumber=b. Sadly, I have multiple attributes with the same name thus I can't add them to the table. SELECT * FROM TempDB. It is supported by databases like Oracle, SQL Server, and PostgreSQL. I simply want the question to include the facts so I don't have to explain to people that SELECT * is Arguments of the SELECT INTO TEMP TABLE. Account; Help; Sign Out; Oracle Account. tables table. Test where not exists (select top 1 1 FROM dbo. If the row doesn't exist, insert it. I need to use the same SID. All primary and unique constraints are implemented using unique indexes. SQL I'm using MS SQL SERVER not Access. yourProc')) set noexec on go create procedure dbo. You could check SQL%ROWCOUNT (should return value larger than 0 if insert succeeded), but - in order to find out whether TABLE_1_ID actually exists in TABLE_2, you need some kind of a SELECT to When working with Oracle databases, the IF NOT EXISTS clause is a useful feature that allows you to conditionally execute commands based on the existence of database objects. How to select data from the table not exist in another table sql. PL/SQL select into - if data exists. 3. And Oracle:. i. SELECT CASES. Andrus knows about creating the sequence as he points to a question about that. Also I don't want my program to stop because of that. Remember that the key part of working with SQL is understanding the different building blocks and how they all fit together in making your job easier.  · For checking whether a given table already exists in a different schema, BEGIN SELECT Count(*) INTO table_exist FROM dba_tables WHERE owner = 'SCHEMA_NAME' AND table_name = 'EMPLOYEE_TABLE'; IF table Drop view if exists in Oracle SQL. I'm currently checking to see if it exists in DBA_TABLES first and if that query returns nothing then insert. 7) the plans would be fairly similar but not identical. The issue you're running into stems from your use of a global temporary table (##tableName) rather than a local temporary table (#tableName). Since records usually have a unique identifier, we cannot insert a new record with the same identifier as an existing record. Am I missing something? Should I  · I need to write a T-SQL stored procedure that updates a row in a table. FROM @CreditDebitAdjustmentDetail a WHERE NOT EXISTS ( SELECT 1 FROM [DMS]. So about the code: "debut" is a date  · Solution. Oracle Using NOT EXISTS: INSERT INTO TABLE_2 (id, (Id, Name) SELECT Id, Name FROM Table1 Does SQL Server have anything similar? Share. I am not sure how to write this sql statment  · Yes it needs to be in a separate batch, You will need to add the key word GO while testing. People tend to think of MERGE when they want to do an "upsert" (INSERT if the row doesn't exist and UPDATE if the row does exist) but the UPDATE part is optional  · Davis, please reconsider using a cursor, you should not, if at all possible use a cursor in SQl server, as they are extremely slow compared to set-based solutions. SQL Server  · 1) other ways would be sqlplus "tricks" for example - here is one: ----- drop table t; create table t ( x int ); set heading off set feedback off spool tmp. UserId, Users. FROM Table1 WHERE a IN( SELECT c FROM Table2 WHERE ) Move the external match column (a) into the internal SELECT's WHERE clause. Final = 1 AND NOT EXISTS( SELECT 1 FROM dbo. Test (CorrelationId,TransactionId) select @CorrelationId, @TransactionId from dbo. I think the problem was that the script tried to run in one batch, so it tried to USE the database before the SQL server received the CREATE command. I found if not exists select into table. The If/Then statements check validity prior to opening the cursor. I just want to keep a bit of data for a specific record for a small amount of time and make it available to multiple sql statements, without subsequent lookups. He wants to check a condition to find an ID to insert a row with that ID (where don't even know if field1 is a unique key), the MAX or MIN solutions just help to find an id and that's what he wants. TABLES WHERE  · I am trying to select data from one table and insert the data into another table. Can you please try the below script. IF EXISTS (SELECT FIELD3 FROM TAB WHERE FIELD3=9999) BEGIN SELECT * FROM TAB WHERE FIELD3=9999 END ELSE BEGIN SELECT * FROM TAB END Oracle SQL; how to  · Are you sure you want to replace this functionality 1:1? Normally, you'd do a DROP VIEW IF EXISTS in SQL Server because until recently, SQL Server didn't have a CREATE OR ALTER VIEW option. But when this procedure is called from your application this wont be any issue. That is, array. name. Besides, properly implemented systems don't rely on user privilege to touch a database, that's what service accounts are for,  · I need to Select all UsersID who's not in table UserInRoles from table Users I tryed : SELECT DISTINCT Users. emp e1 where exists ( select null from scott. Search is scoped to: SQL We are making updates to our Search system right now. @binki, when inside a serializable transaction, the first SELECT that hits the table, creates a range lock covering the place where the record should be, so nobody else can insert the same record, until this transaction ends. How can I do that? INSERT INTO TABLE1 (VEH_YEAR, VEH_MAKE, ACV_VOLUME) SELECT VEH_YEAR, VEH_MAKE, (SELECT COUNT(*) FROM ACV_VEHICLE_DETAILS WHERE YEAR = table2 . Things like SELECT 1 or SELECT TOP 1 are unnecessary. [FunctionName] GO  · DECLARE @AreaId INT = 2 DECLARE @Areas Table(AreaId int) INSERT INTO @Areas SELECT AreaId FROM AreaMaster WHERE CityZoneId IN (SELECT CityZoneId FROM AreaMaster WHERE AreaId = @AreaID) IF EXISTS (SELECT BusinessId FROM dbo. column1 AND column2 = O. SInce you are converting from Oracle, you need to stop thinking in terms of  · If it exists, I don't want the procedure to return There is already an object named 'myFinalTable' in the database. The status of Yada's script would indicate success, but it would not add the role because there is already a principal with that name.  · I have this below query.  · It might DROP TABLE fail on your check condition, it might check from TempDB. Stack why not let Oracle handle it for you. Ask Question Asked 13 years, 6 months ago. In MySQL for example and mostly in older versions (before 5. As we all know tables exist in a database. Simple CASE expression: CASE Since you've already accepted an answer, I wanted to offer just a note: Select Into isn't "for temporary tables", it is for creating a new table based on the structure (and data) of the select portion of the query. number_table; inserted_rows dbms_sql. are unique within the schema, not within the table, that's why you cannot create an index with the same name and get  · Chiming in because I had a similar issue: I wanted to create a database if it does not exist, then perform operations on that database. It is important to note that when creating a table in this way, the new table will be populated with the records from the existing table (based on the SELECT  · Your duplicate row argument doesn't make sense in the user's situation. You will need appropriate permissions to do this.  · Use EXISTS?Without further explanation, this is the best i can offer, however, if you actually expand your question, you'll get a far more comprehensive answer: USE Sandbox; GO CREATE TABLE Test (ID int); SELECT 1 AS HasData WHERE EXISTS (SELECT 1 FROM test); GO INSERT INTO Test VALUES(NULL); - That value does not exist in the referenced table. IF (SELECT COUNT(*) FROM information_schema. Foo Cannot drop the table 'dbo. All you need is not exists (select 1 from etc) –  · I suspect that your if statement is the culprit, because what you are trying to achieve should definitely be possible. id, t1. Follow edited Mar 25, 2010 at 6:54 It won't, however, help if the set you're inserting from might be duplicates of data already in the insert into table. Name) If your new names are in another table, you can change the select query in the above one. I'm trying to run this query query := 'CREATE VIEW hopsPartialDistance AS '  · I need to do one INSERT or another depending if a column exist because of different versions of the same table. Running a query just before dropping the table is just wasting time doing what Oracle will do automatically for you. I just wanted to be friendly and provide him an alternative method. There is no argument that it's better documented with the alias for junior folks who don't understand SQL Server's proprietary UPDATE FROM syntax. Now I am installing 10gR2 and I'd like to use the same SID name. If I were to do this INSERT INTO Table1 SELECT A, B, C SQL Language Reference . It must return true if the transaction was committed and the flight booked. FROM TABLE_1 t1. So for every row in DataTable I want a row in Table1 and Table2, and Table2 needs to have the inserted id (PK) from Table1. So I try to delete it again: drop table dbo. ntzuj ycim zgiip nvof vpb jrsmh osfph nxh ukiwz lwsfh kufpo jdesc cnvt uhrkvhy tenb