Tag unique-constraint - Esta é a página 3 - GeneraCodice

Using Unique in database vs doing so programmatically

https://www.generacodice.com/pt/articolo/12470939/using-unique-in-database-vs-doing-so-programmatically

  mysql  -  database  -  unique-constraint

StackOverflow

Check if unique value exists before updating in MSSQL

https://www.generacodice.com/pt/articolo/12452756/check-if-unique-value-exists-before-updating-in-mssql

  sql  -  sql-server  -  sql-update  -  exists  -  unique-constraint

StackOverflow

Check if value exists in table or handle MySQL's unique constraint exception?

https://www.generacodice.com/pt/articolo/12436265/check-if-value-exists-in-table-or-handle-mysql-s-unique-constraint-exception

  mysql  -  performance  -  PHP  -  unique-constraint  -  apple-push-notifications

StackOverflow

Unique column definition in SQL

https://www.generacodice.com/pt/articolo/12432110/unique-column-definition-in-sql

  sql-server  -  unique-constraint

StackOverflow

How to create unique combination of sql server database columns

https://www.generacodice.com/pt/articolo/12146210/how-to-create-unique-combination-of-sql-server-database-columns

  sql  -  sql-server  -  indexing  -  unique  -  unique-constraint

StackOverflow

How to allow NULL value for one column in unique index on multiple columns

https://www.generacodice.com/pt/articolo/12117602/how-to-allow-null-value-for-one-column-in-unique-index-on-multiple-columns

  sql  -  ruby-on-rails  -  postgresql  -  indexing  -  unique-constraint

StackOverflow

Reject PDO MySQL statement if a specified value is found in a field?

https://www.generacodice.com/pt/articolo/12101663/reject-pdo-mysql-statement-if-a-specified-value-is-found-in-a-field

  mysql  -  PHP  -  pdo  -  unique-constraint

StackOverflow

Under a composite key unique constraint, does EACH value need to be unique (or just the combination)?

https://www.generacodice.com/pt/articolo/11758400/under-a-composite-key-unique-constraint-does-each-value-need-to-be-unique-or-just-the-combination

  sql  -  constraints  -  unique-constraint

StackOverflow

Grails - how setup unique constrain with thrown exception

https://www.generacodice.com/pt/articolo/11561219/grails-how-setup-unique-constrain-with-thrown-exception

  grails  -  unique-constraint  -  grails-orm

StackOverflow

Unique constraint that check two columns in MySQL

https://www.generacodice.com/pt/articolo/11528432/unique-constraint-that-check-two-columns-in-mysql

  mysql  -  sql  -  unique-constraint

StackOverflow

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