Create the following indexes. If it is necessary to name the index in your DBMS, use the indicated name.
a. Create an index named TripIndex1 on the TripName field in the Trip table.
b. Create an index named TripIndex2 on the Type field in the Trip table.
c. Create an index named TripIndex3 on the Type and Season fields in the Trip table and list the seasons in descending order.