Merge pull request #20138 from WilliamDAssafMSFT/20210902-sys-external_data_sources

20210902 update sys.external_data_sources types from Max

Author: v-albemi

docs/relational-databases/system-catalog-views/sys-external-data-sources-transact-sql.md

@@ -2,7 +2,7 @@
 description: "sys.external_data_sources (Transact-SQL)"
 title: "sys.external_data_sources (Transact-SQL)"
 ms.custom: ""
-ms.date: "06/22/2021"
+ms.date: "09/02/2021"
 ms.prod: sql
 ms.prod_service: "database-engine, sql-database, synapse-analytics, pdw"
 ms.reviewer: ""
@@ -27,8 +27,8 @@ monikerRange: ">=aps-pdw-2016||=azuresqldb-current||=azure-sqldw-latest||>=sql-s
 |data_source_id|**int**|Object ID for the external data source.||  
 |name|**sysname**|Name of the external data source.||  
 |location|**nvarchar(4000)**|The connection string, which includes the protocol, IP address, and port for the external data source.||  
-|type_desc|**nvarchar(255)**|Data source type displayed as a string.|HADOOP, RDBMS, SHARD_MAP_MANAGER, RemoteDataArchiveTypeExtDataSource|  
-|type|**tinyint**|Data source type displayed as a number.|0 - HADOOP<br /><br /> 1 - RDBMS<br /><br /> 2 - SHARD_MAP_MANAGER<br /><br /> 3 - RemoteDataArchiveTypeExtDataSource<br /><br /> 5 - BLOB_STORAGE<br /><br /> 6 - NONE |  
+|type_desc|**nvarchar(255)**|Data source type displayed as a string.|HADOOP, RDBMS, SHARD_MAP_MANAGER, REMOTE_DATA_ARCHIVE, BLOB_STORAGE, NONE|  
+|type|**tinyint**|Data source type displayed as a number.|0 - HADOOP<br /><br /> 1 - RDBMS<br /><br /> 2 - SHARD_MAP_MANAGER<br /><br /> 3 - REMOTE_DATA_ARCHIVE<br /><br /> 4 - *internal use only*<br /><br /> 5 - BLOB_STORAGE<br /><br /> 6 - NONE |  
 |resource_manager_location|**nvarchar(4000)**|For type HADOOP, the IP and port location of the Hadoop resource manager. The `resource_manager_location` is used for submitting a job on a Hadoop data source.<br /><br /> `NULL` for other types of external data sources.||  
 |credential_id|**int**|The object ID of the database scoped credential used to connect to the external data source.||  
 |database_name|**sysname**|For type RDBMS, the name of the remote database. For type, SHARD_MAP_MANAGER, the name of the shard map manager database. NULL for other types of external data sources.||  
@@ -38,8 +38,8 @@ monikerRange: ">=aps-pdw-2016||=azuresqldb-current||=azure-sqldw-latest||>=sql-s
  The visibility of the metadata in catalog views is limited to securables that a user either owns or on which the user has been granted some permission. For more information, see [Metadata Visibility Configuration](../../relational-databases/security/metadata-visibility-configuration.md).  
 
 ## See Also  
- [sys.external_file_formats &#40;Transact-SQL&#41;](../../relational-databases/system-catalog-views/sys-external-file-formats-transact-sql.md)   
- [sys.external_tables &#40;Transact-SQL&#41;](../../relational-databases/system-catalog-views/sys-external-tables-transact-sql.md)   
- [CREATE EXTERNAL DATA SOURCE &#40;Transact-SQL&#41;](../../t-sql/statements/create-external-data-source-transact-sql.md)  
+  - [sys.external_file_formats &#40;Transact-SQL&#41;](../../relational-databases/system-catalog-views/sys-external-file-formats-transact-sql.md)   
+  - [sys.external_tables &#40;Transact-SQL&#41;](../../relational-databases/system-catalog-views/sys-external-tables-transact-sql.md)   
+  - [CREATE EXTERNAL DATA SOURCE &#40;Transact-SQL&#41;](../../t-sql/statements/create-external-data-source-transact-sql.md)