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I have a table with 42 million records. 32 million have a null value and I would like to generate a new guid for each one. Should I do this in batches?
Also, going forward, I would like a new guid added to the field on the insert of a new record. What is the best way to do this?
The field is not the primary key, which is an auto-incrementing integer.
Have you tried an insert trigger?