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  • 学习总结之三(SQL SERVER游标CURSOR的使用)


    SET LOCK_TIMEOUT 1800 

    SET TRANSACTION ISOLATION LEVEL READ COMMITTED


    BEGIN TRANSACTION

    DECLARE @PRD_NO VARCHAR(30)
    DECLARE @CUS_NO VARCHAR(20)
    DECLARE @STD_LEVEL VARCHAR(10)
    DECLARE @USR VARCHAR(12)

    DECLARE MY_CURSOR CURSOR FOR
    SELECT DISTINCT PRD_NO,CUS_NO,STD_LEVEL,USR FROM CUS_ML_GGEC HOLDLOCK WHERE PRD_NO+'*'+CUS_NO NOT IN (SELECT PRD_NO+'*'+CUS_NO FROM PRDT_AUTH )

    OPEN MY_CURSOR

        FETCH NEXT FROM MY_CURSOR INTO @PRD_NO,@CUS_NO,@STD_LEVEL,@USR

        WHILE (@@FETCH_STATUS = 0)
            BEGIN
                INSERT INTO PRDT_AUTH (PRD_NO,CUS_NO,ZS_NO,STD_LEVEL,USR,SYS_DATE,CLS_ID)
                VALUES( @PRD_NO,@CUS_NO,@PRD_NO+@CUS_NO,@STD_LEVEL,@USR,GETDATE(),'T' )
                FETCH NEXT FROM MY_CURSOR INTO @PRD_NO,@CUS_NO,@STD_LEVEL,@USR       
            END

    IF @@ERROR = 0
        COMMIT TRANSACTION
    ELSE
        ROLLBACK

    或者:

    CLOSE MY_CURSOR
      DEALLOCATE MY_CURSOR

    SET TRANSACTION ISOLATION LEVEL READ COMMITTED


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  • 原文地址:https://www.cnblogs.com/mishy/p/1990563.html
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