Notifications You must be signed in to change notification settings My SQL Story: Discovering Unique Ages Over 30 During a data project with a big employee dataset, I needed to find out how many ...

A SELECT group of programmers with a DISTINCT advantage If you’re still with us, congratulate yourself—you survived the second part of our series on SQL basics!

Under the object explorer in SQL it's showing me about 5-10 columns but they all say "non-unique, non-clustered". When I go into design view of the table > indexes it shows me about 8-10 fields ...