title: "sys.pdw_table_mappings (Transact-SQL) | Microsoft Docs" ms.custom: "" ms.date: "06/01/2018" ms.prod: "" ms.prod_service: "sql-data-warehouse, pdw" ms.service: sql-data-warehouse ms.component: system-objects ms.reviewer: "" ms.suite: "sql" ms.tgt_pltfrm: "" ms.topic: "language-reference" dev_langs:
- "TSQL" ms.assetid: 1af14fe0-e562-4f48-a7f0-783f300a88ac author: ronortloff ms.author: rortloff manager: craigg monikerRange: ">= aps-pdw-2016 || = sqlallproducts-allversions"
[!INCLUDEtsql-appliesto-xxxxxx-xxxx-xxxx-pdw-md]
Ties user tables to internal object names by object_id.
| Column Name | Data Type | Description | Range |
|---|---|---|---|
| physical_name | nvarchar(36) | The physical name for the table. physical_name and object_id form the key for this view. |
|
| object_id | int | The object ID for the table. See sys.objects (Transact-SQL). physical_name and object_id form the key for this view. |
SQL Data Warehouse and Parallel Data Warehouse Catalog Views
sys.pdw_index_mappings (Transact-SQL)
sys.pdw_database_mappings (Transact-SQL)