Items of interest

1. Homework 5 in pdf.
2. Instructions to set up postgres for Homework 5.
3. The postgres database-dump, with sessions, clicks, and purchases.
   
4. Queries use throughout the homework so you don't have to retype them.
5. Template tar-file - replace the place-holder SQL queries with your answers; tar cvf; and deposit on blackboard.
6. (new: 3/24) Solutions