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Tip of the Day
Language: Enterprise
Expertise: Intermediate
Jun 22, 2000



Building the Right Environment to Support AI, Machine Learning and Deep Learning

SQL Query to Update a Column Value in All Tables

This is a very simple but time-saving and powerful tip to build a dynamic SQL query (in SQL Server 7.0) that updates a particular column value present in all tables. And it even works for INSERT.

First, open SQL Server and select SQL Server Query Analyzer from the Tools menu. Type the following SQL statement in the query analyzer window (Type='U' specifies user-defined tables):

 SELECT 'UPDATE ',RTRIM(Name),' SET UserID=2 WHERE UserID=1' FROM sysobjects
WHERE Type='U'
Run the SQL statement. Then copy the results from the result window, paste them in the query window, and run them.

You are DONE!

Venkat Alladi
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