AND p.rows > 10000 AND(user_seeks + user_scans + user_lookups)< user_updates ORDER BY reads, rows DESC It is basically finding the index whose user_updates(writes) are more than reads.
SQL Server indexes are essentially copies of the data that already exist in the table, ordered and filtered in different ways to improve the performance of executed queries. Seeks, scans and lookups operators are used to access SQL Server indexes. Seeks operators– the Seek operator uses the abi...
Now after going through all the methods, we are hoping that users are aware of the right method to execute their SQL server disable index as well as enable index task. make sure to not miss any of the steps mentioned above to alter index SQL server in a safe manner....
“Unable to enlist in the transaction” with Oracle linked server from MS SQL Server [<Name of Missing Index, sysname,>] in non clustered index [Execute SQL Task] Error: The value type (__ComObject) can only be converted to variables of type Object. [ODBC Driver Manager] Data source n...
objects have been created that allow you insight into a lot of data that was not accessible or just difficult to get in previous versions of SQL Server. One new function and one new view that provide data about index usage aresys.dm_db_index_operational_statsandsys.dm_db_index_usage_...
Navigating SQL Server Help This topic is part of the help collection called SQL Server Books Online, which documents the features available in the product. For instructions on how to find information using techniques such as search and the index, see Using SQL Server Books Online. Use the follo...
combination of various columns, and each index can have a different fragmentation percentage. Now, before making it appropriate or taking an index in maintenance, users have to find that threshold value from the database. The below T-SQL statement is an efficient way to find it with object ...
In this post I’ll be sharing the steps to find the details of user who drop the database. Method-1 Connect the SQL Server instance using management studio Right-click on the instance and select “Reports”—“Standard Reports”—“Schema Changes History” ...
it's better to take the hit once and just refer to your–much smaller–temp table as many times as you need. One more thing–SQL Server 2000 allows you to usetable variables, and they have proven in many cases to outperform your basic temp table.[BOL points out that table variables, ...
Assertion:For any given 5-mile segment of road that has the maximum average traffic, there will ...