Create the following indexes. If it is necessary to name the index in your DBMS, use the indicated name. a. Create an index named ItemIndex1 on the ItemNum field in the OrderLine table. b. Create an...

Create the following indexes. If it is necessary to name the index in your DBMS, use the indicated name.

a. Create an index named ItemIndex1 on the ItemNum field in the OrderLine table.

b. Create an index named ItemIndex2 on the Storehouse field in the Item table.

c. Create an index named ItemIndex3 on the Storehouse and Category fields in the Item table.

d. Create an index named ItemIndex4 on the Storehouse and OnHand fields in the Item table and list units

on hand in descending order.