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sys.all_parameters (Transact-SQL)

Shows the union of all parameters that belong to user-defined or system objects.

Column name

Data type

Description

object_id

int

ID of the object to which this parameter belongs.

name

sysname

Name of 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_id

int

ID of parameter. Is unique within the object. If the object is a scalar function, parameter_id = 0 represents the return value.

system_type_id

tinyint

ID of the system type of the parameter.

user_type_id

int

ID 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_length

smallint

Maximum length of the parameter, in bytes.

-1 = Column data type is varchar(max), nvarchar(max), varbinary(max), or xml.

precision

tinyint

Precision of the parameter if it is numeric-based; otherwise, 0.

scale

tinyint

Scale of the parameter if it is numeric-based; otherwise, 0.

is_output

bit

1 = Parameter is output (or return); otherwise, 0.

is_cursor_ref

bit

1 = Parameter is a cursor reference parameter.

has_default_value

bit

1 = Parameter has a 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_document

bit

1 = Content is a complete XML document.

0 = Content is a document fragment or the data type of the column is not xml.

default_value

sql_variant

If has_default_value is 1, the value of this column is the value of the default for the parameter; otherwise, NULL.

xml_collection_id

int

Is the ID of the XML schema collection used to validate the parameter.

Nonzero if the data type of the parameter is xml and the XML is typed.

0 = There is no XML schema collection, or the parameter is not XML.

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.

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