what is foreign key?

(73)
3

alter table add column and foreign key mysql

sql
mysql
source

By Wooden Hammer Elmer Lesch at Jun 26 2020

0

how to reference a table with two foreign key in sql site:stackoverflow.com

sql
reference
source

By Wooden Hammer Deborah Sanford at Sep 05 2020

-1

error code 1215 cannot add foreign key constraint

sql

By Double Wooden Hammer Deborah Schumm at Jan 28 2021

0

Cannot truncate a table referenced in a foreign key constraint (`video_clips`.`channel_clips`, CONSTRAINT `clips_fk` FOREIGN KEY (`clip_id`) REFERENCES `video_clips`.`clips` (`id`)) in sql]

sql
source

By Beginner Leo Toy at Jul 27 2020

0

how to create table in oracle sql syntax example and foreign key

sql
oracle
syntax
source

By Beginner Charming Cassowary at Jan 17 2021

1

PG::ForeignKeyViolation: ERROR: update or delete on table violates foreign key constraint

sql

By Stone Hammer Gertrude Buckridge at Feb 03 2021

0

SQLSTATE[HY000]: General error: 3780 Referencing column 'role_id' and referenced column 'id' in foreign key constraint 'user_role_id foreign' are incompatible.

sql

By Beginner Wilbert Jenkins at Nov 29 2020

1

error 1451 (23000): cannot delete or update a parent row: a foreign key constraint fails

sql

By Beginner Emma Mueller at Mar 20 2021

1

Script all Foreign Key Constraints - Result Set can be used to DROP constraints for 'TableName'

sql
set

By Beginner Rochelle Jaskolski at Apr 10 2022

1

SQL SERVER – 2005 – Find Tables With Foreign Key Constraint in Database

sql
sql-server
database

By Beginner Leslie Pfeffer at Apr 10 2022

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