sys.system_parameters (Transact-SQL)
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sys.system_parameters (Transact-SQL)

 

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

Contains one row for each system object that has parameters.

Column nameData typeDescription
object_idintID of the object to which this parameter belongs.
namesysnameName of the parameter. Is unique within the object.

If the object is a scalar function, the parameter name is an empty string in the row representing the return value.
parameter_idintID of the parameter. Is unique within the object. If the object is a scalar function, parameter_id = 0 represents the return value.
system_type_idtinyintID of the system type of the parameter.
user_type_idintID of the type of the parameter as defined by the user.

To return the name of the type, join to the sys.types catalog view on this column.
max_lengthsmallintMaximum length of the parameter, in bytes. Value will be -1 for when column data type is varchar(max), nvarchar(max), varbinary(max), or xml.
precisiontinyintPrecision of the parameter if numeric-based; otherwise, 0.
scaletinyintScale of the parameter if numeric-based; otherwise, 0.
is_outputbit1 = Parameter is output (or return); otherwise, 0.
is_cursor_refbit1 = Parameter is a cursor-reference parameter.
has_default_valuebit1 = Parameter has default value.

 SQL Server only maintains default values for CLR objects in this catalog view; therefore, this column will always have a value of 0 for Transact-SQL objects. To view the default value of a parameter in a Transact-SQL object, query the definition column of the sys.sql_modules catalog view, or use the OBJECT_DEFINITION system function.
is_xml_documentbit1 = Content is a complete XML document.

0 = Content is a document fragment or the data type of the column is not xml.
default_valuesql_variantIf has_default_value is 1, the value of this column is the value of the default for the parameter; otherwise NULL.
xml_collection_idintNon-zero if the data type of the parameter is xml and the XML is typed. The value is the ID of the collection that contains the validating XML schema namespace for the parameter.

0 = There is no XML schema collection.

The visibility of the metadata in catalog views is limited to securables that a user either owns or on which the user has been granted some permission. For more information, see Metadata Visibility Configuration.

Object Catalog Views (Transact-SQL)
Catalog Views (Transact-SQL)
Querying the SQL Server System Catalog FAQ
sys.parameters (Transact-SQL)
sys.all_parameters (Transact-SQL)

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