Running @@IDLE returns a number that is hard to read. Here is what this system function measures and how to turn it into idle time you can understand.
How to Remove Database Mail History and Stop msdb Growing
Database Mail history stays in msdb until you delete it, so the sysmail tables can grow for years. This post measures the tables, then removes the history with the two supported procedures instead of direct deletes. It also covers a month by month loop for a big backlog and a schedule.
SQL SERVER – Rule “Windows Management Instrumentation (WMI) Service” failed
Upgrading a two-node cluster from SQL 2008 R2 to 2014, the rule ‘Windows Management Instrumentation (WMI) Service’ failed. Here is how we fixed it.
SQL SERVER – Msg 19062, Level 16, State 1. Could Not Create a Trace File. Error = 0x80070005
A stored procedure calling sp_trace_create failed with Msg 19062, could not create a trace file, Error 0x80070005. Here is what that code means and the fix.
SQL SERVER – Database Mirroring Error -The Specified Network Name is No Longer Available
A client’s ERRORLOG showed database mirroring error 1474, ‘The specified network name is no longer available’. The cause was outside SQL Server.
SQL SERVER – Best Practices About SQL Server Service Account and Password Management
Should the SQL Server Service Account be a local or domain admin? No. Best practices from a client Q&A on service accounts, permissions and passwords.
How to Find Longest Running Query With Execution Plan – Interview Question of the Week #098
How do you find the longest running query with execution plan in SQL Server? Here is a quick DMV query that returns the top 10 along with their plans.