A.FOREIGN KEYB.PRIMARY KEYC.FOREIGN KEY(Sno)REFERENCES SD.FOREIGN KEY(Pno) REFERENCES
A．FOREIGN KEY
B．PRIMARY KEY
C．FOREIGN KEY(Sno)REFERENCES S
D．FOREIGN KEY(Pno) REFERENCES P
A.Primary Key NOTNULLB.Primary KeyC.Foreign KeyD.C 计算机类考试 2020-05-26 …
A.FOREIGN KEYB.PIUMARY KEYC.FOREIGN KEY (Sno) REFE 计算机类考试 2020-05-26 …
A.FOREIGN KEYB.PRIMARY KEYC.FOREIGN KEY(Sno)REFERE 计算机类考试 2020-05-26 …
A.FOREIGN KEYB.PRIMARY KEYC.FOREIGN KEY(Sno)REFERE 计算机类考试 2020-05-26 …
A.FOREIGN KEYB.PRIMARY KEYC.FOREIGN KEY (Sno) REFE 计算机类考试 2020-05-26 …
A.Foreign KeyB.Primary KeyC.Foreign Key(Sno)Refere 计算机类考试 2020-05-26 …
A.PRIMARY KEYB.FOREION KEYC.FOREIGN KEY (ORDERID) 计算机类考试 2020-05-26 …
A.ForeignKeyB.Primary KeyC.Foreign Key(Sno)Referen 计算机类考试 2020-05-26 …
A.PRIMARY KEYB.FOREIGN KEYC.FOREIGN KEY (ORDERID) 计算机类考试 2020-05-26 …
A.Primary Key NOT NULLB.Primary KeyC.Foreign KeyD. 计算机类考试 2020-05-26 …