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title: "sp_query_store_flush_db (Transact-SQL) | Microsoft Docs"
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# sp_query_store_flush_db (Transact-SQL)
[!INCLUDE[tsql-appliesto-ss2016-asdb-xxxx-xxx-md](../../includes/tsql-appliesto-ss2016-asdb-xxxx-xxx-md.md)]

  Flushes  the in-memory portion of the Query Store data to disk.  
  
 ![Topic link icon](../../database-engine/configure-windows/media/topic-link.gif "Topic link icon") [Transact-SQL Syntax Conventions](../../t-sql/language-elements/transact-sql-syntax-conventions-transact-sql.md)  
  
## Syntax  
  
```  
  
sp_query_store_flush_db [;]  
```  
  
## Return Code Values  
 0 (success) or 1 (failure)  
  
## Remarks  
  
## Permissions  
 Requires the **ALTER** permission on the database.
  
## Examples  
 The following example flushes the in-memory portion of the Query Store data to disk.  
  
```  
EXEC sp_query_store_flush_db;  
```  
  
## See Also  
 [sp_query_store_force_plan (Transact-SQL)](../../relational-databases/system-stored-procedures/sp-query-store-force-plan-transact-sql.md)   
 [sp_query_store_remove_query (Transact-SQL)](../../relational-databases/system-stored-procedures/sp-query-store-remove-query-transact-sql.md)   
 [sp_query_store_unforce_plan (Transact-SQL)](../../relational-databases/system-stored-procedures/sp-query-store-unforce-plan-transact-sql.md)   
 [sp_query_store_reset_exec_stats (Transact-SQL)](../../relational-databases/system-stored-procedures/sp-query-store-reset-exec-stats-transact-sql.md)   
 [sp_query_store_remove_plan (Transct-SQL)](../../relational-databases/system-stored-procedures/sp-query-store-remove-plan-transct-sql.md)   
 [sp_query_store_reset_exec_stats (Transact-SQL)](../../relational-databases/system-stored-procedures/sp-query-store-reset-exec-stats-transact-sql.md)   
 [Query Store Catalog Views (Transact-SQL)](../../relational-databases/system-catalog-views/query-store-catalog-views-transact-sql.md)   
 [Monitoring Performance By Using the Query Store](../../relational-databases/performance/monitoring-performance-by-using-the-query-store.md)