InstantForum.NET v2.9.0SQLServerCentralhttp://www.sqlservercentral.com/Forums/notifications@sqlservercentral.comMon, 20 May 2013 06:23:35 GMT20http://www.sqlservercentral.com/Forums/Topic1377673-360-1.aspxYou can check your SQL server performance with any specific tool that will also help you to enhance your sever performance ,capacity management ..there are software available for free trial.............hence u can check whether the particular query affecting your server performance or not...Mon, 05 Nov 2012 03:32:33 GMTpeterdru401http://www.sqlservercentral.com/Forums/Topic1377673-360-1.aspxThanksI'm using the default microsoft sql server driver as in this one (not my screenshot but easier to find one in google images than upload one):[img]http://dba.fyicenter.com/faq/sql_server_2/sql_server_odbc_driver.jpg[/img]Used most of the default settings when creating the connectionDon't remember seeing anything about poolingI suspect they are exaggerating because they want to cover any potential issues with me using a product they are not officially endorsing but at the same time i don't want my queries to be running unnecessarily slowMon, 29 Oct 2012 04:42:40 GMTstonysleephttp://www.sqlservercentral.com/Forums/Topic1377673-360-1.aspxWhen you setup the DSN which ODBC driver are you using? ODBC connections can be pooled meaning the connection will not be destroyed after every query. If you're not using a Microsoft driver and the driver is inferior to the Microsoft driver then yes, technically it can affect query performance, especially when the query returns results to the caller.Fri, 26 Oct 2012 16:54:27 GMTopc.threehttp://www.sqlservercentral.com/Forums/Topic1377673-360-1.aspxWhen i'm not at a computer which has sql server express installed I have used winsqlMy IT dept says that this can have an impact on query performance since it is using an ODBC connection which will get dropped after each query.Is this true? And can the client used affect query performance?Fri, 26 Oct 2012 09:18:48 GMTstonysleep