domalti (6/11/2013)
This blog http://www.crazyfrog.me/2013/06/index-seek-vs-scan-microsoft-sql-2008.html has detailed explanation of Index seek and scan.
Not sure I'd call a bunch of pictures with no descriptions or explanations 'detailed', but that's just me.
p.s. 6 year old thread
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