WebFeb 29, 2012 · that query is selecting everything from the WebProxyLog table, no WHERE statement to tune; it takes any network time to return 630 meg of data. do you need to … WebJan 20, 2012 · It's possible that a large dataset is taking too long to transfer (on top of the actual query time). You could raise the timeout value. You can try to reconfigure the timeout setting as follows: Set the remote login timeout to 300 seconds: sp_configure 'remote login timeout', 300 go reconfigure with override go
Troubleshoot slow-running queries - SQL Server Microsoft Learn
WebFeb 25, 2024 · A SQL Server query is suddenly running slowly, for no obvious reason. Grant Fritchey shares a 5-point plan to help you track down the cause and fix the problem. Sometimes performance problems sneak into SQL Server after a software release that involves database schema or code changes, or after SQL Server is upgraded to a new … WebJun 20, 2024 · a simple select * from Notifications takes 30 seconds while there is only 800,000 rows in this table. This actual situation is each user performs the query select * from notifications where DisplayDate is null and Fk_userId = [the user id] and this create a … peddler\u0027s junction
Improve SQL Server query performance on large tables
WebAug 30, 2024 · Here's a cheap way to get an estimated row count: SELECT table_rows FROM information_schema.tables WHERE table_name='planner_event'; Even if you did select count (id), it might still take a very long time, unless you have a secondary index on id (also assuming id is a PRIMARY KEY). WebSep 30, 2024 · SQL Server offers a method to measure the resources used by the query. This feature is called STATISTICS IO and it is enabled and used very similarly to … WebMar 1, 2024 · 3 I got a reasonable simple query: With RowsToDelete AS ( SELECT TOP 500 Id FROM ErrorReports WHERE IncidentId = 611 ) DELETE FROM RowsToDelete However, it do not complete. I have tried several times. The last time I waited 8 minutes before canceling it. ErrorReports contains about 22 000 rows. ErrorReportOrigins about the same. peddler\u0027s license texas