DOMAINS (Transact-SQL)

DOMAINS (Transact-SQL)

 

THIS TOPIC APPLIES TO:yesSQL Server (starting with 2008)yesAzure SQL DatabasenoAzure SQL Data Warehouse noParallel Data Warehouse

Returns one row for each alias data type that can be accessed by the current user in the current database.

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

Column nameData typeDescription
DOMAIN_CATALOGnvarchar(128)Database in which the alias data type exists.
DOMAIN_SCHEMAnvarchar(128)Name of the schema that contains the alias data type.

 ** Important ** 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_NAMEsysnameAlias data type.
DATA_TYPEsysnameSystem-supplied data type.
CHARACTER_MAXIMUM_LENGTHintMaximum length, in characters, for binary data, character data, or text and image data.

-1 for xml and large-value type data. Otherwise, NULL is returned. For more information, see Data Types (Transact-SQL).
CHARACTER_OCTET_LENGTHintMaximum length, in bytes, for binary data, character data, or text and image data.

-1 for xml and large-value type data. Otherwise, NULL is returned.
COLLATION_CATALOGvarchar(6)Always returns NULL.
COLLATION_SCHEMAvarchar(3)Always returns NULL.
COLLATION_NAMEnvarchar(128)Returns the unique name for the sort order if the column is character data or text data type. Otherwise, NULL is returned.
CHARACTER_SET_CATALOGvarchar(6)Returns master. This indicates the database in which the character set is located, if the column is character data or text data type. Otherwise, NULL is returned.
CHARACTER_SET_SCHEMAvarchar(3)Always returns NULL.
CHARACTER_SET_NAMEnvarchar(128)Returns the unique name for the character set if this column is character data or text data type. Otherwise, NULL is returned.
NUMERIC_PRECISIONtinyintPrecision of approximate numeric data, exact numeric data, integer data, or monetary data. Otherwise, NULL is returned.
NUMERIC_PRECISION_RADIXsmallintPrecision radix of approximate numeric data, exact numeric data, integer data, or monetary data. Otherwise, NULL is returned.
NUMERIC_SCALEtinyintScale of approximate numeric data, exact numeric data, integer data, or monetary data. Otherwise, NULL is returned.
DATETIME_PRECISIONsmallintSubtype code for datetime and ISO interval data type. For other data types, this column returns a NULL.
DOMAIN_DEFAULTnvarchar(4000)Actual text of the definition Transact-SQL statement.

System Views (Transact-SQL)
Information Schema Views (Transact-SQL)
sys.syscharsets (Transact-SQL)
sys.sql_modules (Transact-SQL)
sys.configurations (Transact-SQL)
sys.types (Transact-SQL)

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