Plsql 我想删除从游标获取的数据,而不使用更新
我从select语句中筛选了一组数据,我需要从表Plsql 我想删除从游标获取的数据,而不使用更新,plsql,cursor,Plsql,Cursor,我从select语句中筛选了一组数据,我需要从表'SHOP\u MATERIAL\u ASSIGN\u TAB'中删除这些数据。我已经用光标删除了。但这在执行时造成了问题。不使用“for update”方法就可以完成的想法 DECLARE CURSOR DELDATA_ IS SELECT B.* FROM IC_WQ_OLD_LOCATION_TAB A, SHOP_MATERIAL_ASSIGN_TAB B WHERE A.LOCATION_NO = B.L
'SHOP\u MATERIAL\u ASSIGN\u TAB'
中删除这些数据。我已经用光标删除了。但这在执行时造成了问题。不使用“for update”
方法就可以完成的想法
DECLARE
CURSOR DELDATA_ IS
SELECT B.*
FROM IC_WQ_OLD_LOCATION_TAB A, SHOP_MATERIAL_ASSIGN_TAB B
WHERE A.LOCATION_NO = B.LOCATION_NO
AND A.SITE = B.CONTRACT
AND B.LOCATION_NO = 'HYLIN001'
FOR UPDATE;
TEMP_ DELDATA_%ROWTYPE;
BEGIN
OPEN DELDATA_;
LOOP
FETCH DELDATA_
INTO TEMP_;
EXIT WHEN DELDATA_%NOTFOUND;
DELETE FROM SHOP_MATERIAL_ASSIGN_TAB WHERE CURRENT OF DELDATA_;
END LOOP;
COMMIT;
END;
根本不要使用PL/SQL
DELETE FROM shop_material_assign_tab
WHERE EXISTS
(SELECT NULL
FROM ic_wq_old_location_tab a
WHERE a.location_no = b.location_no
AND a.site = b.contract)
AND b.location_no = 'HYLIN001'