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The synonym for last_insert_id session variable is _____________.
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- sql_big_selects
- sql_auto_is_null
- insert_id
- identity
- None of these
Correct Option: D
The session only system variable ‘identity’ is a synonym for the ‘last_insert_id’ session variable. Setting ‘last_insert_id’ specifies the value to be returned by the function ‘LAST_INSERT_ID()’.