--- description: "VIEW_COLUMN_USAGE (Transact-SQL)" title: "VIEW_COLUMN_USAGE (Transact-SQL) | Microsoft Docs" ms.custom: "" ms.date: "03/15/2017" ms.prod: sql ms.prod_service: "database-engine, sql-database, synapse-analytics, pdw" ms.reviewer: "" ms.technology: system-objects ms.topic: "reference" f1_keywords: - "VIEW_COLUMN_USAGE" - "VIEW_COLUMN_USAGE_TSQL" dev_langs: - "TSQL" helpviewer_keywords: - "INFORMATION_SCHEMA.VIEW_COLUMN_USAGE view" - "VIEW_COLUMN_USAGE view" ms.assetid: fc0b3608-a7e8-4532-8215-32235d6670f1 author: markingmyname ms.author: maghan monikerRange: ">=aps-pdw-2016||=azuresqldb-current||=azure-sqldw-latest||>=sql-server-2016||>=sql-server-linux-2017||=azuresqldb-mi-current" --- # VIEW_COLUMN_USAGE (Transact-SQL) [!INCLUDE [sql-asdb-asdbmi-asa-pdw](../../includes/applies-to-version/sql-asdb-asdbmi-asa-pdw.md)] Returns one row for each column in the current database that is used in a view definition. This information schema view returns information about the objects to which the current user has permissions. To retrieve information from these views, specify the fully qualified name of **INFORMATION_SCHEMA**.*view_name*. |Column name|Data type|Description| |-----------------|---------------|-----------------| |**VIEW_CATALOG**|**nvarchar(**128**)**|View qualifier.| |**VIEW_SCHEMA**|**nvarchar(**128**)**|Name of schema that contains the view.

**Important:** The only reliable way to find the schema of an object is to query the `sys.objects` catalog view.| |**VIEW_NAME**|**sysname**|View name.| |**TABLE_CATALOG**|**nvarchar(**128**)**|Table qualifier.| |**TABLE_SCHEMA**|**nvarchar(**128**)**|Name of schema that contains the table.

**Important:** The only reliable way to find the schema of an object is to query the `sys.objects` catalog view.| |**TABLE_NAME**|**sysname**|Base table.| |**COLUMN_NAME**|**sysname**|Column name.| ## See Also [System Views (Transact-SQL)](../../t-sql/language-reference.md) [Information Schema Views (Transact-SQL)](~/relational-databases/system-information-schema-views/system-information-schema-views-transact-sql.md) [sys.sql_dependencies (Transact-SQL)](../../relational-databases/system-catalog-views/sys-sql-dependencies-transact-sql.md) [sys.objects (Transact-SQL)](../../relational-databases/system-catalog-views/sys-objects-transact-sql.md)