Answers for "how to drop a foreign key in mysql"

SQL
4

add constraint fk

ALTER TABLE Orders
ADD CONSTRAINT FK_PersonOrder
FOREIGN KEY (PersonID) REFERENCES Persons(PersonID);
Posted by: Guest on September-02-2020
0

mysql remove foreign key constraint

ALTER TABLE jobs DROP FOREIGN KEY constraint_name
Posted by: Guest on August-08-2020
1

drop all foreign key constraints mysql

SET foreign_key_checks = 0;
Posted by: Guest on June-26-2020
11

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
1

mysql drop key

ALTER TABLE tbl_quiz_attempt_master
  DROP INDEX `PRIMARY`;
Posted by: Guest on May-27-2020

Code answers related to "how to drop a foreign key in mysql"

Code answers related to "SQL"

Browse Popular Code Answers by Language