select columns from 2 tables with foreign key
SELECT user.name, movie.name
FROM user, movie, list
WHERE list.user_id = user.id
AND list.movie_id = movie.id
ORDER BY 1,2;select columns from 2 tables with foreign key
SELECT user.name, movie.name
FROM user, movie, list
WHERE list.user_id = user.id
AND list.movie_id = movie.id
ORDER BY 1,2;select columns from 2 tables with foreign key
SELECT user.name, movie.name
FROM user
JOIN list ON list.user_id = user.id
JOIN movie ON list.movie_id = movie.id
ORDER BY 1,2;foreign key multiple columns
CREATE TABLE Employee(
EmployeeID int NOT NULL PRIMARY KEY,
LastName varchar(50) NOT NULL,
FirstName varchar(20) NOT NULL,
Age int,
DeptNo int,
PRIMARY KEY (EmployeeID),
CONSTRAINT FK_PersonOrder FOREIGN KEY (DeptNo)
REFERENCES Department(DeptNo)
);Copyright © 2021 Codeinu
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