I want to lock some specific rows for update or delete or insert and rest rows of the tables should remain unlocked i.e. available for any transaction whether read or write . Is it possible in mysql if yes then please help me on this.
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I want to lock some specific rows for update or delete or insert and rest rows of the tables should remain unlocked i.e. available for any transaction whether read or write . Is it possible in mysql if yes then please help me on this.
First, you have to use InnoDB engine, as MyISAM does not support row-level locks.
Next, if you perform update, MySQL will implicitly lock the scanned rows. But if you need explicit lock of the rows, you can use
SELECT FOR UPDATEstatement.