CREATE TABLE Persons (
P_Id int NOT NULL,
LastName varchar(255) NOT NULL,
FirstName varchar(255),
PRIMARY KEY (P_Id)
)
CREATE TABLE Orders (
O_Id int NOT NULL PRIMARY KEY,
OrderNo int NOT NULL,
P_Id int FOREIGN KEY REFERENCES Persons(P_Id)
)
创建表格订单时出现错误:
ORA-00907: 缺少右括号