title: "sys.pdw_index_mappings (Transact-SQL) | Microsoft Docs" ms.custom: "" ms.date: "03/06/2017" ms.prod: "" ms.prod_service: "sql-data-warehouse, pdw" ms.reviewer: "" ms.service: "sql-data-warehouse" ms.component: "system-catalog-views" ms.suite: "sql" ms.technology:
- "database-engine" ms.tgt_pltfrm: "" ms.topic: "language-reference" dev_langs:
- "TSQL" ms.assetid: d62b0e25-3226-4f87-a10a-b3a0d9555e19 caps.latest.revision: 7 author: "barbkess" ms.author: "barbkess" manager: "craigg" ms.workload: "Inactive" monikerRange: ">= aps-pdw-2016 || = azure-sqldw-latest || = sqlallproducts-allversions"
[!INCLUDEtsql-appliesto-xxxxxx-xxxx-asdw-pdw-md]
Maps the logical indexes to the physical name used on Compute nodes as reflected by a unique combination of object_id of the table holding the index and the index_id of a particular index within that table.
| Column Name | Data Type | Description | Range |
|---|---|---|---|
| object_id | int | The object ID for the logical table on which this index exists. See sys.objects (Transact-SQL). physical_name and object_id form the key for this view. |
|
| index_id | nvarchar(32) | The ID for the index. See sys.indexes (Transact-SQL). | |
| physical_name | nvarchar(36) | The name of the index in the databases on the Compute nodes. physical_name and object_id form the key for this view. |
SQL Data Warehouse and Parallel Data Warehouse Catalog Views
sys.pdw_table_mappings (Transact-SQL)
sys.pdw_database_mappings (Transact-SQL)