Merge pull request #36049 from mstehrani/patch-22

Added PSR in ALTER DATABASE and sys.database [PLEASE SQUASH]

Author: prmerger-automator[bot]

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

@@ -1,9 +1,10 @@
 ---
 title: "sys.databases (Transact-SQL)"
-description: sys.databases (Transact-SQL)
+description: The sys.databases system catalog view contains one row per database.
 author: rwestMSFT
 ms.author: randolphwest
-ms.date: 08/20/2025
+ms.reviewer: wiassaf
+ms.date: 12/10/2025
 ms.service: sql
 ms.subservice: system-objects
 ms.topic: "reference"
@@ -123,6 +124,7 @@ If a database isn't `ONLINE`, or `AUTO_CLOSE` is set to `ON` and the database is
 | `is_event_stream_enabled` | **bit** | Indicates whether the current database has [Change event streaming (preview)](../track-changes/change-event-streaming/overview.md) enabled.<br /><br />**Applies to**: [!INCLUDE [sssql25-md](../../includes/sssql25-md.md)] and later versions. |
 | `is_vorder_enabled` | **bit** | Indicates whether [V-Order](/fabric/data-warehouse/v-order) is enabled for each [!INCLUDE [fabric-dw](../../includes/fabric-dw.md)].<br /><br />**Applies to**: [!INCLUDE [fabric](../../includes/fabric.md)] only.|
 | `is_optimized_locking_on` | **bit** | Indicates whether optimized locking is enabled.<br />`1` = Optimized locking is enabled<br />`0` = Optimized locking is disabled<br /><br />**Applies to**: [!INCLUDE [sssql25-md](../../includes/sssql25-md.md)] and [!INCLUDE [ssazure-sqldb](../../includes/ssazure-sqldb.md)]. |
+| `is_proactive_statistics_refresh_on` | **bit** | Indicates whether [proactive statistics refresh](/fabric/data-warehouse/statistics) is enabled.<br /><br />**Applies to**: [!INCLUDE [fabric](../../includes/fabric.md)] [!INCLUDE [fabric](../../includes/fabric-dw.md)].|
 
 <sup>1</sup> For a full list of compatibility levels, see [ALTER DATABASE compatibility level](../../t-sql/statements/alter-database-transact-sql-compatibility-level.md)
 

docs/t-sql/statements/alter-database-transact-sql-set-options.md

@@ -4,7 +4,7 @@ description: Learn how to set database options such as Automatic tuning, encrypt
 author: markingmyname
 ms.author: maghan
 ms.reviewer: randolphwest, wiassaf
-ms.date: 06/11/2025
+ms.date: 12/10/2025
 ms.service: sql
 ms.subservice: t-sql
 ms.topic: reference
@@ -4028,6 +4028,7 @@ SET
   | <vorder>
   | <timestamp>
   | <result_set_caching>
+  | <proactive_statistics_refresh>
 }
 ;
 
@@ -4046,11 +4047,15 @@ SET
     TIMESTAMP = {CURRENT_TIMESTAMP | 'YYYY-MM-DDTHH:MM:SS.SS' }  
 }
 
-
 <result_set_caching> ::=
 {    
     RESULT_SET_CACHING { ON | OFF } 
 }
+
+<proactive_statistics_refresh> ::=
+{    
+    PROACTIVE_STATISTICS_REFRESH = { ON | OFF } 
+}
 ```
 
 ## Arguments
@@ -4069,7 +4074,13 @@ Updates the timestamp for an existing warehouse snapshot in Fabric Data Warehous
 
 #### RESULT_SET_CACHING
 
-Enables or disables result set caching (preview) for the current item. For more information, see [Result set caching](/fabric/data-warehouse/result-set-caching).
+Enables or disables result set caching (preview) for the target item. During preview, the default setting of this feature is `OFF`. For more information, see [Result set caching](/fabric/data-warehouse/result-set-caching).
+
+#### PROACTIVE_STATISTICS_REFRESH
+
+**Applies to**: [!INCLUDE [fabric](../../includes/fabric.md)] [!INCLUDE [fabric](../../includes/fabric-dw.md)].
+
+Enables or disables proactive statistics refresh for the target item. The default is `ON`. You should use the default setting for most items. For more information, see [Statistics](/fabric/data-warehouse/statistics).
 
 ## Permissions