ga-wdi-boston/wdi_2_sql_hw_joins — pull request #12 by krk324 (2014-06-20 01:39:14+00:00)
Title: HW Partially completed. 

Skipped 7,9,10. Other than the questions I skipped it went well.
Also It took me a while to find out that I can group by 2 categories in one line.