Welcome to the Treehouse Community
Want to collaborate on code errors? Have bugs you need feedback on? Looking for an extra set of eyes on your latest project? Get support with fellow developers, designers, and programmers of all backgrounds and skill levels here with the Treehouse Community! While you're at it, check out some resources Treehouse students have shared here.
Looking to learn something new?
Treehouse offers a seven day free trial for new students. Get access to thousands of hours of content and join thousands of Treehouse students and alumni in the community today.
Start your free trial
ALBERT QERIMI
49,872 PointsWhich teachers teach a class during all 7 periods?
SELECT * FROM TEACHERS JOIN CLASSES ON TEACHERS.ID = CLASSES.TEACHER_ID WHERE PERIOD_ID = '7'
WHY Ben did that complexed query ?
SQL Reporting by Example DAY 3 Video 1