bulk update query using sql server

Pramoda
5 pts.
Tags:
SQL Server 2005
SQL Server 2005 administration
SQL Server 2005 Database
Hi ,

We need a way using sql server  for updating more than one rows at a time .

Thanks ,

Pramod.

 

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You would need to insert all the rows into a staging table, then update from the staging table to the destination table.

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  • Cyphersimian
    Isn't this the standard for DMS's ??? Can you offer a bit more detail...
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  • carlosdl
    Yes, more details are deeded. One update statement can update any number of rows depending on the WHERE clause.
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  • Meandyou
    an example of what the others are saying: UPDATE your_table SET col_a = 'Some new value' WHERE condition; ALL rows meeting "condition" in the WHERE clause will be updated. Many times the "condition" will be quite complex, so as to get all of the rows you want without getting rows you do not want. "If a WHERE clause is too restrictive, not all target rows will be updated. This problem can be avoided by eliminating the WHERE clause."
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