update_stats_stream_option 僅供參考之用。 不支援。 我們無法保證未來的相容性。 AUTO_DROP = { ON | OFF } 適用於:SQL Server 2022 (16.x) 和更新版本 目前,如果統計數據是由客戶資料庫上的第三方工具所建立,這些統計數據物件可能會封鎖或干擾客戶可能想要的架構變更。 (從 SQL Server 2022 開始 (16.x...
update_stats_stream_option 标识为仅供参考。 不支持。 不保证以后的兼容性。 AUTO_DROP = { ON | OFF } 适用于:SQL Server 2022 (16.x) 及更高版本 目前,如果统计信息是由客户数据库上的第三方工具创建的,则这些统计信息对象可能会阻止或干扰客户可能需要的架构更改。
Dimitri, Auto-stats doesn't effect filtered indexes or filtered stats at all. Those must be done manually (and as far as I know this isn't changing in the future). Denny Anonymous March 06, 2012 Is there any consequence of tempdb growth with this trace flag? I ha...
Microsoft.sqlserver.datawarehouse.engine.statsstream.dll 15.0.1951.0 79760 03-Nov-21 20:47 x86 Microsoft.sqlserver.datawarehouse.eventing.dll 15.0.1951.0 69520 03-Nov-21 20:47 x86 Microsoft.sqlserver.datawarehouse.fabric.appliance.dll 15.0.1951.0 34208 03-Nov-21 20:47 x86 Microsoft.sqlserver.data...
换句话说,当你删除一行时,虽然逻辑上这行没了,但实际上它们并没有被删除,直到SQL Server认为满足安全条件来实际删除这行。 一个虚影记录的例子 为了更好的理解虚影记录,我们使用一个有20000行记录的非聚集索引,使得数据填充满行,我们使用事务删除大约一半的数据但不Commit.然后通过Sys.dm_index_physical_stats来观...
Dedicated SQL pool doesn't have a system stored procedure equivalent to sp_create_stats in SQL Server. This stored procedure creates a single column statistics object on every column in a SQL pool that doesn't already have statistics. The following example shows how to get started with you...
KillStatsJobStatement LabelStatement LedgerOption LedgerTableOption LedgerViewOption LeftFunctionCall LikePredicate LineNoStatement ListenerIPEndpointProtocolOption ListTypeCopyOption 文本 LiteralAtomicBlockOption LiteralAuditTargetOption LiteralAvailabilityGroupOption LiteralBulkInsertOption LiteralDatabaseOpti...
此更新會將下列各欄新增至 Microsoft SQL Server 2016 Service Pack 2 (SP2)中的 Sys.dm_exec_query_stats 動態管理檢視(DMV)。 欄名稱 資料類型 描述 total_columnstore_segment_reads Bigint 查詢所讀取之列存儲區段的總數。 不能為 ...
s not on by default. Supporting large number of partitions will cause high memory consumption if we track the stats with old behavior (FULLSCAN). With partitioned table, ALTER INDEX REBUILD actually first rebuilds index and then do a sample scan to update stats in o...
<update_stats_stream_option> Identified for informational purposes only. Not supported. Future compatibility is not guaranteed. Remarks The Database Engine keeps statistics about the distribution of the key values in each index and uses these statistics to determine which index or indexes to use in...