foreign key
CREATE TABLE Employee(
EmployeeID int NOT NULL,
LastName varchar(50) NOT NULL,
FirstName varchar(20) NOT NULL,
Age int,
DeptNo int,
PRIMARY KEY (EmployeeID),
FOREIGN KEY (DeptNo) REFERENCES Department(DeptNo)
);foreign keys
CREATE TABLE Employee(
EmployeeID int NOT NULL,
LastName varchar(50) NOT NULL,
FirstName varchar(20) NOT NULL,
Age int,
DeptNo int,
PRIMARY KEY (EmployeeID),
FOREIGN KEY (DeptNo) REFERENCES Department(DeptNo)
);Copyright © 2021 Codeinu
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