update records | SQL Server Performance Forums

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update records

I want to update a table column with values 500- 1000 for istance lets say the table already contains 500 records there is a column that is null I want to update it with these values. thanks

Options are:
– use a cursor agains the table to update each record in turn
– add an identity column to the table, and then use this to update your null column, then drop the identity column