I agree the word "expensive" is ambiguous by itself. You can report expense in terms of CPU usage, I/O, etc. This query doesn't report expense in those terms. Still, I...

That was amusing. I expecially liked "Scans." Life is like that.

Steve,

Thanks for your newsletter editorial entitled, "Achieve Better Performance." I loved the collection of links, which neatly summarize essential skills.

I think the aims of improving database performance and cultivating technical...