注意:SQL Server 一律傳回 null。注意 如需getIndexInfo 方法所傳回資料的詳細資訊,請參閱《SQL Server 線上叢書》中的 "sp_indexes (Transact-SQL)"。範例下列範例示範如何使用 getIndexInfo 方法來傳回 AdventureWorks2022 範例資料庫中 Person.Contact 數據表之索引和統計數據的相關信息。複製...
AND obj.object_id=col.object_id) AS pro ON tbl.name=pro.TableName AND clmns.name=pro.ColumnName --表备注 LEFT JOIN(SELECT obj.name AS TableName,pros.value AS TableDescription FROM sys.objects obj,sys.extended_properties pros where obj.object_id=pros.major_id AND pros.minor_id=0 and ...
SQL Server 一定會傳回 "null"。 注意 如需有關getIndexInfo方法傳回之資料的詳細資訊,請參閱《SQL Server 線上叢書》中的<sp_indexes (Transact-SQL)>。 範例 下面範例會示範如何使用getIndexInfo方法來傳回 SQL Server 2005 AdventureWorks 範例資料庫內 Person.Contact 資料表索引和統計資料的相關資訊。
AND obj.object_id=col.object_id) AS pro ON tbl.name=pro.TableName AND clmns.name=pro.ColumnName --表备注 LEFT JOIN(SELECT obj.name AS TableName,pros.value AS TableDescription FROM sys.objects obj,sys.extended_properties pros where obj.object_id=pros.major_id AND pros.minor_id=0 and ...
Here we presented just a few examples of the interesting pieces of data you can mine from SQL Server and the performance picture you can paint once you have that data, thanks to system tables. We've looked only at sysprocesses here. However, syslockinfo is an interesting table as well, si...
I think you need index_id in the joins againstsys.dm_db_partition_statsandsys.indexes....
What is SQL Server? Connect to the Database Engine What's new? Editions and features Release notes Business continuity Database design Hierarchical Data Collation Databases Event notification FILESTREAM, FileTable & BLOB Indexes Overview Heaps (tables without a clustered index) ...
Here is the output from the above query. From this function we can get an idea of how many inserts, updates and delete operations were performed on each table and index. sys.dm_db_index_usage_stats This view gives you information about overall access methods to your indexes. There are sev...
The following table lists the SQLSTATE values typically returned by SQLGetInfo and explains each one in the context of this function; the notation "(DM)" precedes the descriptions of SQLSTATEs returned by the Driver Manager. The return code associated with each SQLSTATE value is SQL_ERROR, ...
SQL 複製 SELECT * FROM sys.indexes WHERE name = 'IX_SalesOrderDetail_ColumnStore'; GO SELECT * FROM sys.dm_db_index_usage_stats WHERE database_id = DB_ID('AdventureWorks2022') AND object_id = OBJECT_ID('AdventureWorks2022.Sales.SalesOrderDetail'); 使用記憶體內部 OLTPSQL Serv...