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mysql alter add foreign key

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alejandro.javier answered on May 29, 2020 Popularity 10/10 Helpfulness 5/10

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mysql alter add foreign key

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ALTER TABLE ordenes ADD ticket VARCHAR(50) NOT NULL;
ALTER TABLE ordenes ADD CONSTRAINT fk_ticket FOREIGN KEY (ticket) REFERENCES tickets(ticket);
// I'm Horrible Hyena

Popularity 10/10 Helpfulness 5/10 Language sql

Source: Grepper

Tags: add alter key mysql sql

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Contributed on Oct 29 2020

alejandro.javier

0 Answers Avg Quality 2/10

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mysql modify foreign key

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-- 2 Step process
ALTER TABLE tbl_name_1 DROP FOREIGN KEY fk_name;
ALTER TABLE tbl_name_1 ADD FOREIGN KEY fk_name(fk_col)
            REFERENCES tbl_name_2(pk_name) ON DELETE RESTRICT;


-- Use to find the name of the FOREIGN KEY 
SHOW CREATE TABLE tbl_name;

Popularity 10/10 Helpfulness 9/10 Language sql

Source: stackoverflow.com

Tags: key

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Contributed on Jul 20 2021

Fine Fox

0 Answers Avg Quality 2/10

alter table add foreign key mysql

Comment

ALTER TABLE orders
ADD 
FOREIGN KEY (user_id) REFERENCES users(id) ON DELETE CASCADE;

Popularity 10/10 Helpfulness 9/10 Language sql

Source: Grepper

Tags: add

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Contributed on May 29 2020

Beautiful Bug

0 Answers Avg Quality 2/10

alter table add column and foreign key mysql

Comment

ALTER TABLE database.table
  ADD COLUMN columnname INT DEFAULT(1),
  ADD FOREIGN KEY fk_name(fk_column) REFERENCES reftable(refcolumn) ON DELETE CASCADE;

Popularity 10/10 Helpfulness 7/10 Language sql

Source: stackoverflow.com

Tags: add

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Contributed on Jun 27 2020

Open Owl

0 Answers Avg Quality 2/10

add foreign key to existing table mysql

Comment

ALTER TABLE contacts
ADD FOREIGN KEY (user_id)
REFERENCES users(id);

Popularity 7/10 Helpfulness 6/10 Language sql

Source: Grepper

Tags: add key mysql sql sq

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Contributed on Jul 15 2024

@CodeGrepperManu

0 Answers Avg Quality 2/10

add column mysql with foreign key

Comment

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 NULL

Popularity 9/10 Helpfulness 5/10 Language sql

Source: Grepper

Tags: add

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Contributed on Dec 24 2020

Lokesh003

0 Answers Avg Quality 2/10

mysql alter add foreign key

Comment

ALTER TABLE ordenes ADD ticket VARCHAR(50) NOT NULL;
ALTER TABLE ordenes ADD CONSTRAINT fk_ticket FOREIGN KEY (ticket) REFERENCES tickets(ticket);

Popularity 10/10 Helpfulness 5/10 Language sql

Source: es.stackoverflow.com

Tags: add

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Contributed on Oct 19 2020

Horrible Hyena

0 Answers Avg Quality 2/10

ALTER TABLE add foreign key MySQL

Comment

A_FREQUENTE (FRQ_Date date,FRQ_Remarque varchar(100),FRQ_ENF_ID

int,FRQ_CCH_ID int)

Popularity 9/10 Helpfulness 1/10 Language sql

Source: Grepper

Tags: add

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Contributed on Feb 03 2023

Happy Horse

0 Answers Avg Quality 2/10

mysql alter add foreign key

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