Example: Interacting Processes
Assume the usual Sells(bar,beer,price)
relation, and suppose that Joes Bar sells
only Bud for $2.50 and Miller for $3.00.
Sally is querying Sells for the highest
and lowest price Joe charges.
Joe decides to stop selling B
Once it runs, it'll ask you a question,
Vi cheat sheet
i to go into INSERT mode
ESC to get out of the