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  • mysql关联表更改表多个字段值

    关联表更改某一个字段值:更改部分数据,外层where条件控制更改记录的数量
    BEGIN;
    UPDATE sturgeon_summary s SET s.set_date = (SELECT set_date FROM sturgeon_set_pay p WHERE s.set_no = p.set_no ) WHERE s.merchant_no ="300900100390" ;
    SELECT * FROM sturgeon_summary WHERE merchant_no ="300900100390";
    ROLLBACK;
    -- COMMIT;

    关联表更改某一个字段值:更改全部记录
    BEGIN;
    UPDATE sturgeon_summary s SET s.merchant_no = (SELECT merchant_no FROM sturgeon_set_pay p WHERE s.set_no = p.set_no );
    SELECT * FROM sturgeon_summary;
    ROLLBACK;
    -- COMMIT;

    关联表更改多个字段值:

    BEGIN;
    UPDATE sturgeon_summary s SET s.set_date = (SELECT set_date FROM sturgeon_set_pay p WHERE s.set_no = p.set_no ),s.merchant_no = (SELECT merchant_no FROM sturgeon_set_pay p WHERE s.set_no = p.set_no )  WHERE s.set_no ="M2201904290100100010039093733702";
    SELECT * FROM sturgeon_summary;
    ROLLBACK;
    -- COMMIT;
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  • 原文地址:https://www.cnblogs.com/pandaly/p/10791969.html
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