Returns information about a data type.


TYPEPROPERTY (type, 'property')



Is the name of the data type.


Is the type of information to be returned for the data type. property can be one of the following values:

Property Description Value returned
AllowsNull Data type allows for null values. 1 = True
0 = False
NULL = Data type not found.
OwnerId Owner of the type. Nonnull = The database user ID of the type owner.
Default is: 4
Note: The schema owner is not necessarily the type owner. NULL = Unsupported type, or type ID is not valid.
Precision Precision for the data type. The number of digits or characters.
-1 = xml or large value data type
NULL = Data type not found.
Scale Scale for the data type. The number of decimal places for the data type.
NULL = Data type is not numeric or not found.
UsesAnsiTrim ANSI padding setting was ON when the data type was created. 1 = True
0 = False
NULL = Data type not found, or it is not a binary or string data type.

Return types



SELECT TYPEPROPERTY(SCHEMA_NAME(schema_id) + '.' + name, 'OwnerId') AS owner_id
     , name
     , system_type_id
     , user_type_id, schema_id  
  FROM sys.types

See Also