PARAMETERS (Transact-SQL)

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

Returns one row for each parameter of a user-defined function or stored procedure that can be accessed by the current user in the current database. For functions, this view also returns one row with return value information.

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

Column name Data type Description
SPECIFIC_CATALOG nvarchar(128) Catalog name of the routine for which this is a parameter.
SPECIFIC_SCHEMA nvarchar(128) Name of the schema of the routine for which this is a parameter.

** Important *\* 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.
SPECIFIC_NAME nvarchar(128) Name of the routine for which this is a parameter.
ORDINAL_POSITION int Ordinal position of the parameter starting at 1. For the return value of a function, this is a 0.
PARAMETER_MODE nvarchar(10) Returns IN if an input parameter, OUT if an output parameter, and INOUT if an input/output parameter.
IS_RESULT nvarchar(10) Returns YES if indicates result of the routine that is a function. Otherwise, returns NO.
AS_LOCATOR nvarchar(10) Returns YES if declared as locator. Otherwise, returns NO.
PARAMETER_NAME nvarchar(128) Name of the parameter. NULL if this corresponds to the return value of a function.
DATA_TYPE nvarchar(128) System-supplied data type.
CHARACTER_MAXIMUM_LENGTH int Maximum length in characters for binary or character data types.

-1 for xml and large-value type data. Otherwise, returns NULL.
CHARACTER_OCTET_LENGTH int Maximum length, in bytes, for binary or character data types.

-1 for xml and large-value type data. Otherwise, returns NULL.
COLLATION_CATALOG nvarchar(128) Always returns NULL.
COLLATION_SCHEMA nvarchar(128) Always returns NULL.
COLLATION_NAME nvarchar(128) Name of the collation of the parameter. If not one of the character types, returns NULL.
CHARACTER_SET_CATALOG nvarchar(128) Catalog name of the character set of the parameter. If not one of the character types, returns NULL.
CHARACTER_SET_SCHEMA nvarchar(128) Always returns NULL.
CHARACTER_SET_NAME nvarchar(128) Name of the character set of the parameter. If not one of the character types, returns NULL.
NUMERIC_PRECISION tinyint Precision of approximate numeric data, exact numeric data, integer data, or monetary data. Otherwise, returns NULL.
NUMERIC_PRECISION_RADIX smallint Precision radix of approximate numeric data, exact numeric data, integer data, or monetary data. Otherwise, returns NULL.
NUMERIC_SCALE tinyint Scale of approximate numeric data, exact numeric data, integer data, or monetary data. Otherwise, returns NULL.
DATETIME_PRECISION smallint Precision in fractional seconds if the parameter type is datetime or smalldatetime. Otherwise, returns NULL.
INTERVAL_TYPE nvarchar(30) NULL. Reserved for future use.
INTERVAL_PRECISION smallint NULL. Reserved for future use.
USER_DEFINED_TYPE_CATALOG nvarchar(128) NULL. Reserved for future use.
USER_DEFINED_TYPE_SCHEMA nvarchar(128) NULL. Reserved for future use.
USER_DEFINED_TYPE_NAME nvarchar(128) NULL. Reserved for future use.
SCOPE_CATALOG nvarchar(128) NULL. Reserved for future use.
SCOPE_SCHEMA nvarchar(128) NULL. Reserved for future use.
SCOPE_NAME nvarchar(128) NULL. Reserved for future use.

See Also

System Views (Transact-SQL)
Information Schema Views (Transact-SQL)
sys.columns (Transact-SQL)
sys.objects (Transact-SQL)
sys.parameters (Transact-SQL)