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26-Nov-2019 12:24

Once I moved the deltas over to a temp table, it took seconds. Carefully consider security and integrity before you try it, though.This uses schema to get the names of all the columns and then puts together a big update statement to update all columns except ID column, which it uses to join the tables.With a 100 columns, you mostly likely have a design problem...

https://technet.microsoft.com/en-us/library/bb522522(v=sql.105)It gives you the ability to run Insert, Update, and Delete.

What you're trying to do is not part of SQL specification and is not supported by any database vendor.

See the specifications of SQL UPDATE statements for My SQL, Postgresql, MSSQL, Oracle, Firebird, Teradata.

Then, to view inserted records in it, I execute SELECT command.

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Now, Here I want to make some changes in third and fourth row, to complete this action, I execute UPDATE command with INNER JOIN. You can see how Third and Fourth records of table schoolold easily replaced with table schoolnew by using INNER JOIN with UPDATE statement. TOT_COST 2.000 from DBRMAST T1 inner join DBRMAST t2 on t2. Would you like to answer one of these unanswered questions instead?