PiMané (3/7/2013)
If the number of files for tempdb is related with the number of CORES why doesn't the rule apply for database files?
Because you're not continually (as in many times a minute) creating and dropping tables in a user database. At least I hope you're not.
Gail Shaw
Microsoft Certified Master: SQL Server, MVP, M.Sc (Comp Sci)
SQL In The Wild: Discussions on DB performance with occasional diversions into recoverability