search

AlisdairO / pgexercises

PostgreSQL Exercises web site code
Other
400 stars 62 forks source link

Sum, not count — lines 6-7 #70

Open romank604 opened 2 years ago

romank604 commented 2 years ago

Business will want to know the sum of all reservations rather than the sum of boolean 1's for when there was at least one reservation.