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Insert/Update multiple columns in multiple tables

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Insert/Update multiple columns in multiple tables MS SQL Development forum discussing administration, MS SQL queries, and other MS SQL-related topics. SQL Server is Microsoft's enterprise database engine.

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  #1  
Old May 21st, 2004, 11:18 AM
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Gerbill Gerbill is offline
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Question Insert/Update multiple columns in multiple tables
I am trying to do something impossible with a single SQL statement. I am doing an ASP webpage for internal use at the company I work for.

I want to know if there is a way to insert/update data into multiple tables in <b>1</b> SQL statement.

If it requires functions | views or anything else that is fine but I don't want to have 3-4 different SQL statements to update 2-3 different columns in different tables.

Thanks,
Gerbill

BTW I posted this in the ASP forum but was told I could get some help over here.

I am currently working on a stored procedure to possibly fix my problem...
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Old May 21st, 2004, 12:00 PM
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I don't see why it must be one statement. If you need to execute multiple statements as one indivisable unit, use transactions

Code:
begin transaction
   insert ...
   if @@error <> goto rbck
   update
   if @@error <> goto rbck
   ...
commit transaction
return 0

rbck:
 rollback transaction


You can put it all into a stored procedure to get better performance.
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Old May 21st, 2004, 12:22 PM
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Yeah I am currently fixing up a nice stored procedure to do this but...

is it at all possible to have one SQL statement that will update 2 or more columns in different tables. The tables are linked through PK & FK so that is no problem.

I don't think that is possible but I was feeling lazy and thought I would give it a shot.

Thanks,
Gerbill
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Old May 21st, 2004, 12:44 PM
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An update statement can only update one table/view. There are limitations when updating join views.

Quote:
The modifications made by the UPDATE statement cannot affect more than one of the base tables referenced in the FROM clause of the view. For more information on updatable views, see CREATE VIEW.


You can update multiple tables by using instead of triggers. (Read more in BOL.) You still have to write individual update statements for each base table.
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Old May 21st, 2004, 12:48 PM
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Yep just like I thought. Oh well maybe in the next version they will introduce the ability to insert/update multiple tables in one SQL statement.

Just like a select you have to specify the tableName.ColName but hey it would be great

Later,
Gerbill
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