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DENY XML Schema Collection Permissions (Transact-SQL)

Denies permissions on an XML schema collection.

Topic link icon Transact-SQL Syntax Conventions


DENY permission  [ ,...n ] ON 
    XML SCHEMA COLLECTION :: [ schema_name . ]
    XML_schema_collection_name
    TO <database_principal> [ ,...n ]
        [ CASCADE ]
    [ AS <database_principal> ] 

<database_principal> ::= 
        Database_user 
    | Database_role 
    | Application_role 
    | Database_user_mapped_to_Windows_User 
    | Database_user_mapped_to_Windows_Group 
    | Database_user_mapped_to_certificate 
    | Database_user_mapped_to_asymmetric_key 
    | Database_user_with_no_login

permission

Specifies a permission that can be denied on an XML schema collection. For a list of the permissions, see the Remarks section later in this topic.

ON XML SCHEMA COLLECTION :: [ schema_name. ] XML_schema_collection_name

Specifies the XML schema collection on which the permission is being denied. The scope qualifier (::) is required. If schema_name is not specified, the default schema will be used. If schema_name is specified, the schema scope qualifier (.) is required.

TO <database_principal>

Specifies the principal to which the permission is being denied.

CASCADE

Indicates that the permission being denied is also denied to other principals to which it has been granted by this principal.

AS <database_principal>

Specifies a principal from which the principal executing this query derives its right to deny the permission.

Database_user

Specifies a database user.

Database_role

Specifies a database role.

Application_role

Specifies an application role.

Database_user_mapped_to_Windows_User

Specifies a database user mapped to a Windows user.

Database_user_mapped_to_Windows_Group

Specifies a database user mapped to a Windows group.

Database_user_mapped_to_certificate

Specifies a database user mapped to a certificate.

Database_user_mapped_to_asymmetric_key

Specifies a database user mapped to an asymmetric key.

Database_user_with_no_login

Specifies a database user with no corresponding server-level principal.

Information about XML schema collections is visible in the sys.xml_schema_collections catalog view.

An XML schema collection is a schema-level securable contained by the schema that is its parent in the permissions hierarchy. The most specific and limited permissions that can be denied on an XML schema collection are listed in the following table, together with the more general permissions that include them by implication.

XML schema collection permission

Implied by XML schema collection permission

Implied by schema permission

ALTER

CONTROL

ALTER

CONTROL

CONTROL

CONTROL

EXECUTE

CONTROL

EXECUTE

REFERENCES

CONTROL

REFERENCES

TAKE OWNERSHIP

CONTROL

CONTROL

VIEW DEFINITION

CONTROL

VIEW DEFINITION

Requires CONTROL on the XML schema collection. If you use the AS option, the specified principal must own the XML schema collection.

The following example denies EXECUTE permission on the XML schema collection Invoices4 to the user Wanida. The XML schema collection Invoices4 is located inside the Sales schema of the AdventureWorks2008R2 database.

USE AdventureWorks2008R2;

DENY EXECUTE ON XML SCHEMA COLLECTION::Sales.Invoices4 TO Wanida;

GO

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