UPDATE STATISTICS [ schema_name . ] table_name [ ( { statistics_name } ) ] [ WITH { FULLSCAN | SAMPLE number PERCENT } ] [;] 注意 Azure Synapse Analytics 的無伺服器 SQL 集區不支援此語法。 引數 table_or_indexed_view_nam
Transact-SQL 语法约定 语法 SQL Server 和 Azure SQL 数据库的语法。 syntaxsql UPDATESTATISTICStable_or_indexed_view_name[ { {index_or_statistics__name} | ( {index_or_statistics_name} [ , ...n ] ) } ] [WITH[FULLSCAN[ [ , ]PERSIST_SAMPLE_PERCENT= {ON|OFF} ] |SAMPLEnumber {PERCENT...
Sometimes you just need a quick method to update all statistics of every table. The script below will apply a FULL SCAN , so I wouldn't recommend that you use this as regular maintenancce task . There are other command options for sp_MSforeachtable exec
如需有關統計資料的詳細資訊,包括使用 UPDATE STATISTICS 的時機,請參閱<使用統計資料來改善查詢效能>。 Transact-SQL 語法慣例 語法 UPDATE STATISTICS table_or_indexed_view_name [ { { index_or_statistics__name } | ( { index_or_statistics_name } [ ,...n ] ) } ] [ WITH [ [ FULLSCAN ] |...
CREATE DATABASE (SQL Server Compact) CREATE INDEX (SQL Server Compact) CREATE STATISTICS (SQL Server Compact) CREATE TABLE (SQL Server Compact) DATALENGTH (SQL Server Compact) DATEADD (SQL Server Compact) DATEDIFF (SQL Server Compact) DATENAME (SQL Server Compact) DATEPART (SQL Server Compact) ...
(also known as cardinality). The query optimizer should be updated regularly. Improper statistics might mislead query optimizer to choose costly operators such as index scan over index seek and it might cause high CPU, memory and IO issues in SQL Server. We might also face blocking, dea...
SQL Server does update stats automatically by default, but there are reasons to update them in your maintenance scripts that the auto update doesn't cover. If you want to run update statistics while your DB is busy, on a large table avoid using fullscan and just let SQL Server choose the...
Transact-SQL 语法约定 语法 复制 UPDATE STATISTICS table | view [ { { index | statistics_name } | ( { index |statistics_name } [ ,...n ] ) } ] [ WITH [ [ FULLSCAN ] | SAMPLE number { PERCENT | ROWS } ] | RESAMPLE | <update_stats_stream_option> [ ,...n ] ] [ [ , ...
Executing the query "UPDATE STATISTICS [dbo].[ItemLogitech] WITH FULLSCAN" failed with the following error: "A severe error occurred on the current command. The results, if any, should be discarded. A severe error occurred on the current command. The results, if any, should be discarded."...
I am being asked by our SharePoint people upon suggestion of a Microsoft engineer to run an "UPDATE STATISTICS [tableName] WITH FULLSCAN" command on a very large (115GB) SharePoint database. I run this command routinely following a nightly database reorganize maintenance task and have for ...