Oracle &引用;单行子查询返回多行;三张桌子
我在将工资单数据输入列时遇到问题 表AAOracle &引用;单行子查询返回多行;三张桌子,oracle,oracle11g,oracle-sqldeveloper,Oracle,Oracle11g,Oracle Sqldeveloper,我在将工资单数据输入列时遇到问题 表AA ID_USER PERIOD SALARY 1001 1-MAY-2012 ? 1002 1-MAY-2012 ? 1001 1-JUN-2012 ? 1002 1-JUN-2012 ? 表BB ID_USER Name ID_SALARY
ID_USER PERIOD SALARY
1001 1-MAY-2012 ?
1002 1-MAY-2012 ?
1001 1-JUN-2012 ?
1002 1-JUN-2012 ?
表BB
ID_USER Name ID_SALARY
1001 Rayker 1
1002 Jones 2
1003 Wiliam 2
表CC
ID_SALARY SALARY
1 $50
2 $60
这是我的剧本:
UPDATE "AA" A
SET A.SALARY = (select C.SALARY from "BB" B,"CC" C where B.ID_SALARY=C.ID_SALARY)
WHERE EXISTS( SELECT B.ID_USER FROM "AA" A, "BB" B WHERE A.ID_USER = B.ID_USER )
ORDER BY A.ID_USER
更新“AA”A
设置A.SALARY=(从“BB”B,“CC”C中选择C.SALARY,其中B.ID\u SALARY=C.ID\u SALARY)
存在的位置(从“AA”A,“BB”B中选择B.ID\u用户,其中A.ID\u用户=B.ID\u用户)
由A.ID\U用户订购
这一定足够了
UPDATE "AA" A
SET A.SALARY = (select C.SALARY from "BB" B,"CC" C where B.ID_SALARY=C.ID_SALARY AND B.ID_USER = A.ID_USER)