Answers for "mysql declare foreign key"

SQL
6

alter table add foreign key mysql

ALTER TABLE orders
ADD 
FOREIGN KEY (user_id) REFERENCES users(id) ON DELETE CASCADE;
Posted by: Guest on May-29-2020
0

create table mysql with foreign key

CREATE TABLE Orders (
    OrderID int NOT NULL,
    OrderNumber int NOT NULL,
    PersonID int,
    PRIMARY KEY (OrderID),
    FOREIGN KEY (PersonID) REFERENCES Persons(PersonID)
);
Posted by: Guest on November-03-2020

Code answers related to "SQL"

Browse Popular Code Answers by Language