START TRANSACTION
[transaction_characteristic [, transaction_characteristic] ...]
transaction_characteristic: {
WITH CONSISTENT SNAPSHOT
| READ WRITE
| READ ONLY
}
BEGIN [WORK]
COMMIT [WORK] [AND [NO] CHAIN] [[NO] RELEASE]
ROLLBACK [WORK] [AND [NO] CHAIN] [[NO] RELEASE]
SET autocommit = {0 | 1}
样例:
START TRANSACTION;
SELECT @A:=SUM(salary) FROM table1 WHERE type=1;
UPDATE table2 SET summary=@A WHERE type=1;
COMMIT;
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