Give the tuple calculus expressions for each
using the below schema: Make a database up if needed
SPERSON(EmpID, Name, Dept)
TRIP(TripID, EmpID, ToCity, StartDate,
EndDate)
EXPENSE(ExpID, TripID, AccountID, Amount)
a) List the names and employee ID of a salesperson.
b) List employee ID and employee names that took a trip(s) to
New York city.
c) List the names of all employees who have spent more than $700
on their trip.
d) List employees' names and their IDs that have never...