小编Xma*_*ntX的帖子

尝试从目标表中删除源表中不存在的记录。

对象类型

CREATE OR REPLACE type dbo.P_REC AS OBJECT
(
    ATTR1    VARCHAR2(64 BYTE),
    ATTR2    VARCHAR2(128 BYTE),
    ATTR3    VARCHAR2(128 BYTE),
    ATTR4    VARCHAR2(128 BYTE)
);

收藏类型

CREATE OR REPLACE type dbo.P_REC_LIST is table of P_REC;

存储过程

PROCEDURE testProc(tmpPList IN P_REC_LIST, resultCursor out sys_refcursor)

IF tmpPList.count > 0 THEN
MERGE INTO [targetTable] TT
        USING (SELECT abc.Attr1 abc.Attr2 FROM TABLE(tmpPList) abc) TMP
        ON (TT.Attr1 = TMP.Attr1)
      WHEN MATCHED THEN
        UPDATE SET TT.Attr2 = TMP.Attr2 
        DELETE WHERE TT.Attr1 NOT IN (SELECT Attr1 FROM TABLE(tmpPList))
      WHEN …