Example documentationDOMAINCONSTRAINTS Locate this document in the navigation structure

 

Use of the system table DOMAIN.DOMAINCONSTRAINTS

Prerequisites

You can use the demo data for the SQL tutorial. Start the Database Studio as database administrator MONA with the password RED and log on to demo database DEMODB: Logging On to a Database.

Create domains. Proceed as described in SQL Tutorial, Domains.

Activities

You can use Database Studio to enter and execute SQL statements. More information: Working with SQL Statements: Overview

Note the General Instructions for formulating SQL statements.

You can use the system table DOMAINCONSTRAINTS to determine the following database information, among other things:

  • All domains for which a constraint on the permissible values was defined and the definition of this domain

    SELECT domainname, definition

    FROM DOMAIN.DOMAINCONSTRAINTS

  • All domains of the database user MONA for which a constraint on the permissible values was defined

    SELECT owner, domainname

    FROM DOMAIN.DOMAINCONSTRAINTS

    WHERE owner = 'MONA'

More Information

All domains: see DOMAINS