Answers for "how to make primary key and foreign key in mysql"

foreign key mySql

CREATE TABLE parent (
    id INT NOT NULL,
    PRIMARY KEY (id)
) ENGINE=INNODB;

CREATE TABLE child (
    id INT,
    parent_id INT,
    INDEX par_ind (parent_id),
    FOREIGN KEY (parent_id)
        REFERENCES parent(id)
        ON DELETE CASCADE
) ENGINE=INNODB;

Posted by: Guest on March-02-2020

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Answers for "how to make primary key and foreign key in mysql"

Code answers related to "how to make primary key and foreign key in mysql"

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Answers for "how to make primary key and foreign key in mysql"

Code answers related to "how to make primary key and foreign key in mysql"

Code answers related to "SQL"

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