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There is another way this one feature can be achieved is via transactions.You can wrap your around your more than one UPDATE statement in a single transaction, this way if one or more statement fails, the entire transaction rolls back.When asked the reason was he had no idea how to use multiple tables with the help of the JOIN clause in the UPDATE statement. Additionally, we want to update the values of Col2 and Col3 only. When you look at this it looks very simple but when we try to think the solution, I have seen developers coming up with many different solutions for example sometime they write cursor, table variables, local variables etc. Col2)) UPDATE CTE SET Col1 = _Col1, Col2 = _Col2from stackoverflow.“UPDATE Table1 SET Col2 = t2. There are some questions where the answer is no and that is totally fine.I often get asked that as it is possible to select two or more tables in a single SELECT statement, is it possible to UPDATE more than one table in a single table.
Does anyone have an idea how to do this efficiently ?You can additionally use MERGE statement to do the same as well, however I personally prefer this method. Let us clean up the clause by dropping the tables which we have created.performance wise I liked; (not my! guess you already covered it somewhere..; WITH CTE AS (SELECT T1. Wrap the 70 updates within a single transaction and commit/rollback all together when the batch is complete. Wrap the 70 updates within a single transaction and commit/rollback all together when the batch is complete.Based the question's comment chain and a bit of speculation, here's a rough outline: create procedure Update SSN @old SSN char(9), @new SSN char(9) AS begin tran begin try update table1 set SSN = @new SSN where SSN = @old SSN update table2 set SSN = @new SSN where SSN = @old SSN ... update table68 set SSN = @new SSN where SSN = @old SSN commit tran end try begin catch rollback end catch How do I validate a variable against multple database tables How To Build Dynamic Query Based On Multi Value Parameter?