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CREATE TABLE Booking (
Name varchar2(30) NOT NULL,
R_date date NOT NULL,
D_address varchar2(30) NOT NULL,
Email_id varchar2(30) NOT NULL,
No_of_cars int NOT NULL,
Contact_no varchar2(15) NOT NULL,
Price int NOT NULL,
CONSTRAINT FK_CarBooking FOREIGN KEY (C_ID)
REFERENCES Car(C_ID)
);
约束FK_CarBooking外键(C_ID)甲骨文外键错误无效的标识符
ERROR at line 10:
ORA-00904: "C_ID": invalid identifier
在汽车表C_ID是主键。我不明白为什么它说无效标识符。
“预订”表中没有列'c_id'。 –