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MySQL - multiple queries in one transaction

9 points
Created by:
maxsior322
227

In this short article, we would like to show how using MySQL, create a transition that makes multiple queries in one atomic operation.

Quick solution:

START TRANSACTION;

SELECT @sum := SUM(`salary`) FROM `user` WHERE `role` = 'seller';
UPDATE `report` SET `summary` = @sum WHERE `role` = 'seller';

COMMIT;

 

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