Question : alter table add foreign key mysql
Answered by : saptarshi-mondal
ALTER TABLE orders
ADD
FOREIGN KEY (user_id) REFERENCES users(id) ON DELETE CASCADE; Source : | Last Update : Fri, 05 Jun 20
Question : alter table add column and foreign key mysql
Answered by : open-owl-ata6u0gfcypp
ALTER TABLE database.table ADD COLUMN columnname INT DEFAULT(1), ADD FOREIGN KEY fk_name(fk_column) REFERENCES reftable(refcolumn) ON DELETE CASCADE;Source : https://stackoverflow.com/questions/1545253/how-to-add-a-column-and-make-it-a-foreign-key-in-single-mysql-statement | Last Update : Sat, 04 Jul 20
Question : mysql alter add foreign key
Answered by : horrible-hyena-lqrt2tom4c2b
ALTER TABLE ordenes ADD ticket VARCHAR(50) NOT NULL;
ALTER TABLE ordenes ADD CONSTRAINT fk_ticket FOREIGN KEY (ticket) REFERENCES tickets(ticket);Source : https://es.stackoverflow.com/questions/32312/alter-table-con-columna-nueva-que-sea-foreign-key-mysql | Last Update : Mon, 26 Oct 20
Question : add column mysql with foreign key
Answered by : lokesh-ramchandani-in6l3jq294i2
ALTER TABLE `TABLE_NAME`
ADD COLUMN `COLUMN_NAME` BIGINT(20) UNSIGNED NULL DEFAULT NULL AFTER `AFTER_COLUMN_NAME`,
ADD FOREIGN KEY `FOREIGN_RELATION_NAME`(`COLUMN_NAME`) REFERENCES `FOREIGN_TABLE`(`FOREIGN_COLUMN`) ON UPDATE SET NULL ON DELETE SET NULLSource : | Last Update : Thu, 31 Dec 20