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DOMAIN_CONSTRAINTS (Transact-SQL)

DOMAIN_CONSTRAINTS (Transact-SQL)

 

Applies To: SQL Server 2014, SQL Server 2016 Preview

Returns one row for each alias data type in the current database that has a rule bound to it and that can be accessed by current user.

To retrieve information from these views, specify the fully qualified name of INFORMATION_SCHEMA.view_name.

Applies to: SQL Server (SQL Server 2008 through current version), Azure SQL Database.

Column name

Data type

Description

CONSTRAINT_CATALOG 

nvarchar(128)

Database in which the rule exists.

CONSTRAINT_SCHEMA 

nvarchar(128)

Name of schema that contains the constraint.

System_CAPS_importantImportant

Do not use INFORMATION_SCHEMA views to determine the schema of an object. The only reliable way to find the schema of a object is to query the sys.objects catalog view.

CONSTRAINT_NAME 

sysname

Rule name.

DOMAIN_CATALOG 

nvarchar(128)

Database in which the alias data type exists.

DOMAIN_SCHEMA 

nvarchar(128)

Name of schema that contains the alias data type.

System_CAPS_importantImportant

Do not use INFORMATION_SCHEMA views to determine the schema of a data type. The only reliable way to find the schema of a type is to use the TYPEPROPERTY function.

DOMAIN_NAME 

sysname

Alias data type.

IS_DEFERRABLE 

varchar(2)

Specifies whether constraint checking is deferrable. Always returns NO.

INITIALLY_DEFERRED 

varchar(2)

Specifies whether constraint checking is at first deferred. Always returns NO.

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