A、SELECT*FROM S WHERE CITY=’北京’
B、STLECT SNO,SNAME FROM S WHERE CITY=’北京’
C、SELECT P.*FROM S,P WHERE S.CITY=’北京’ AND S.SNO=SJP.SNO AND SJP.PNO=P.PNO
D、SELECT P.*FROM P,S,SJP WHERE S.CITY=’北京’ AND S.SNO=SJP.SNO AND SJP.PNO=P.PNO
A、SELECT*FROM S WHERE CITY=’北京’
B、STLECT SNO,SNAME FROM S WHERE CITY=’北京’
C、SELECT P.*FROM S,P WHERE S.CITY=’北京’ AND S.SNO=SJP.SNO AND SJP.PNO=P.PNO
D、SELECT P.*FROM P,S,SJP WHERE S.CITY=’北京’ AND S.SNO=SJP.SNO AND SJP.PNO=P.PNO
时间:2022-01-02 22:18 关键词:
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