4
votes
1answer
158 views

Why clustered index scan?

I just started to learn to optimize my queries and to analyze their query plans. I thought this query would generate nonclustered index seek + key lookup. SELECT ct.* FROM Person.ContactType AS ct ...
10
votes
1answer
5k views

Why does SQL Server 2012 Express use 9.5GB of RAM on my server?

I am building an application in which I plan to embed SQL Server 2012 Express as the primary datastore. When testing on my development machine (Win7-32 with 3GB RAM), I never observed the ...