do we need to specify commit to save changes in mysql
BEGIN;
SELECT @A:=SUM(salary) FROM table1 WHERE type=1;
UPDATE table2 SET summmary=@A WHERE type=1;
COMMIT;do we need to specify commit to save changes in mysql
BEGIN;
SELECT @A:=SUM(salary) FROM table1 WHERE type=1;
UPDATE table2 SET summmary=@A WHERE type=1;
COMMIT;marked transaction mysql
USE AdventureWorks
GO
BEGIN TRANSACTION ListPriceUpdate
WITH MARK 'UPDATE Product list prices';
GO
UPDATE Production.Product
SET ListPrice = ListPrice * 1.10
WHERE ProductNumber LIKE 'BK-%';
GO
COMMIT TRANSACTION ListPriceUpdate;
GO
-- Time passes. Regular database
-- and log backups are taken.
-- An error occurs in the database.
USE master
GO
RESTORE DATABASE AdventureWorks
FROM AdventureWorksBackups
WITH FILE = 3, NORECOVERY;
GO
RESTORE LOG AdventureWorks
FROM AdventureWorksBackups
WITH FILE = 4,
RECOVERY,
STOPATMARK = 'ListPriceUpdate';Copyright © 2021 Codeinu
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