/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

1 vote222 views1 answer
Sql server locks
SQL
24 votes172 views6 answers
ERROR 2002 (HY000): Can't connect to local MySQL server through socket '/tmp/mysql.sock' (2)
SQL
2 votes190 views1 answer
Merge firstname and lastname in sql oracle
SQL
3 votes150 views1 answer
Difference sql vs mysql
SQL
1 vote216 views1 answer
Show per page table in xampp
SQL
0 vote192 views4 answers
Sql server date format yyyy-mm-dd
SQL
0 vote183 views1 answer
Mysql drop vs delete
SQL
4 votes136 views2 answers
Select todays data postgres query
SQL
0 vote200 views1 answer
Mysql update column default value CURRENT_TIMESTAMP error
SQL
2 votes183 views1 answer
Guid to string sql
SQL