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  • START TRANSACTION, COMMIT, and ROLLBACK

    https://dev.mysql.com/doc/refman/5.7/en/commit.html

    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}

    关闭自动提交,使用START TRANSACTION statement:

    START TRANSACTION;
    SELECT @A:=SUM(salary) FROM table1 WHERE type=1;
    UPDATE table2 SET summary=@A WHERE type=1;
    COMMIT;

    To disable autocommit mode explicitly, use the following statement:

    SET autocommit=0;

    Statements That Cannot Be Rolled Back

    有些语句不能被回滚,总体上来说,包括数据定义语言(DDL),比如说那些数据create 或者drop databases,还有那些create,drop,alter tables or stored routines.

    你必须的保证你的事务中不包含这些语句。如果在事务中前面的语句不能回滚,后面的其他语句也将发生错误,将会造成整个事务的不能回滚。

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  • 原文地址:https://www.cnblogs.com/wonchaofan/p/13521196.html
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