Tag foreign-keys - Это страница 4 - GeneraCodice

Do all tables need Primary keys or is Foreign key enough?

https://www.generacodice.com/ru/articolo/13483387/do-all-tables-need-primary-keys-or-is-foreign-key-enough

  foreign-keys  -  entities  -  entity-relationship  -  primary-key  -  database-schema

StackOverflow

(Mysql Error: #1215 - Cannot add foreign key constraint) for my program

https://www.generacodice.com/ru/articolo/13448899/mysql-error-1215-cannot-add-foreign-key-constraint-for-my-program

  mysql  -  sql  -  foreign-keys

StackOverflow

EF 6 - How to solve foreign key error for composite key?

https://www.generacodice.com/ru/articolo/13442401/ef-6-how-to-solve-foreign-key-error-for-composite-key

  c#  -  database  -  foreign-keys  -  entity-framework

StackOverflow

Cannot add foreign key constraint, while addying no constraints

https://www.generacodice.com/ru/articolo/13432357/cannot-add-foreign-key-constraint-while-addying-no-constraints

  mysql  -  sql  -  foreign-keys

StackOverflow

#1604 mysql error when creating a foreign key

https://www.generacodice.com/ru/articolo/13413313/1604-mysql-error-when-creating-a-foreign-key

  mysql  -  database  -  foreign-keys

StackOverflow

PostgreSQL: NULL value in foreign key column

https://www.generacodice.com/ru/articolo/13401340/postgresql-null-value-in-foreign-key-column

  postgresql  -  foreign-keys

StackOverflow

Mysql table with no primary key but a foreign key

https://www.generacodice.com/ru/articolo/13394131/mysql-table-with-no-primary-key-but-a-foreign-key

  mysql  -  foreign-keys  -  primary-key

StackOverflow

My select with two tables is not working correctly

https://www.generacodice.com/ru/articolo/13393924/my-select-with-two-tables-is-not-working-correctly

  mysql  -  sql  -  PHP  -  foreign-keys  -  foreign-key-relationship

StackOverflow

MySQLIntegrityConstraintViolationException: Cannot add or update a child row

https://www.generacodice.com/ru/articolo/13392847/mysqlintegrityconstraintviolationexception-cannot-add-or-update-a-child-row

  java  -  foreign-keys  -  playframework-2.2

StackOverflow

Specifying foreign key in the mapping file

https://www.generacodice.com/ru/articolo/13385554/specifying-foreign-key-in-the-mapping-file

  foreign-keys  -  hibernate  -  hibernate-mapping

StackOverflow

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