sys-xml-schema-collections-transact-sql.md

title	sys.xml_schema_collections (Transact-SQL)
description	sys.xml_schema_collections (Transact-SQL)
author	rwestMSFT
ms.author	randolphwest
ms.reviewer	mikeray
ms.date	03/14/2017
ms.service	sql
ms.subservice	system-objects
ms.topic	reference
ms.custom	ignite-2025
f1_keywords	sys.xml_schema_collections_TSQL sys.xml_schema_collections xml_schema_collections xml_schema_collections_TSQL
helpviewer_keywords	sys.xml_schema_collections catalog view
dev_langs	TSQL
monikerRange	=azuresqldb-current || >=sql-server-2016 || >=sql-server-linux-2017 || =azuresqldb-mi-current || =fabric-sqldb

sys.xml_schema_collections (Transact-SQL)

[!INCLUDE SQL Server Azure SQL Database Azure SQL Managed Instance FabricSQLDB]

Returns a row per XML schema collection. An XML schema collection is a named set of XSD definitions. The XML schema collection itself is contained in a relational schema, and it is identified by a schema-scoped [!INCLUDEtsql] name. The following tuples are unique: xml_collection_id, and schema_id and name.

Column name	Data type	Description
xml_collection_id	int	ID of the XML schema collection. Unique within the database.
schema_id	int	ID of the relational schema that contains this XML schema collection.
principal_id	int	ID of the individual owner if different from the schema owner. By default, schema-contained objects are owned by the schema owner. However, an alternate owner may be specified by using the ALTER AUTHORIZATION statement to change ownership. NULL = No alternate individual owner.
name	sysname	Name of the XML schema collection.
create_date	datetime	Date the XML schema collection was created.
modify_date	datetime	Date the XML schema collection was last altered.

Permissions

[!INCLUDEssCatViewPerm] For more information, see Metadata Visibility Configuration.

See Also

Catalog Views (Transact-SQL)
XML Schemas (XML Type System) Catalog Views (Transact-SQL)
Querying the SQL Server System Catalog FAQ