How to add constraint to existing column in sql

Code examples

0
0

adding constraints to columns SQL

ALTER TABLE departments
ADD CONSTRAINT unique_id_constraint UNIQUE (id);

Similar pages

Similar pages with examples

In other languages

This page is in other languages

Русский
..................................................................................................................
Italiano
..................................................................................................................
Polski
..................................................................................................................
Română
..................................................................................................................
한국어
..................................................................................................................
हिन्दी
..................................................................................................................
Français
..................................................................................................................
Türk
..................................................................................................................
Česk
..................................................................................................................
Português
..................................................................................................................
ไทย
..................................................................................................................
中文
..................................................................................................................
Español
..................................................................................................................
Slovenský
..................................................................................................................
Балгарскі
..................................................................................................................
Íslensk
..................................................................................................................