/SQL/Mysql remove foreign key constraint

Mysql remove foreign key constraint

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;

Source: dev.mysql.com

Drop all foreign key constraints mysql

SET foreign_key_checks = 0;

Source: stackoverflow.com

Mysql remove foreign key constraint

ALTER TABLE jobs DROP FOREIGN KEY constraint_name

Drop foreign key mysql

ALTER TABLE table_name DROP FOREIGN KEY constraint_name

Source: tutorialspoint.com

Similar codes

0 vote209 views1 answer
Selecting Multiple Columns in SQL
SQL
2 votes180 views1 answer
Mysql time ago difference
SQL
10 votes225 views2 answers
Reset mysql root password mac
SQL
0 vote129 views1 answer
Expose db in virtualbox
SQL
0 vote164 views2 answers
How to relationship query two different tables in MySQL
SQL
0 vote204 views5 answers
How to make trigger in phpmyadmin
SQL
0 vote291 views2 answers
Execute stored procedure without db set
SQL
13 votes177 views4 answers
What is sql
SQL
0 vote209 views1 answer
Sql track modification
SQL
0 vote157 views1 answer
Truncate table sql server foreign key
SQL