Write SQL Queries to: 

a)  Permit joshi to update the ITEM table.

b)  Increase the Price of Items in ITEM by 10%

c)  Create an index on balance for the Customer table. 

d)  Add a new order to the database, where Order_Num is 51627 (character type) , Customer_Num is 111 (numeric), and Order_Date is 10/17/2015.

e)  Add a 5 character column Item_Location to ITEM table.

REP (REP_NUM, LAST_NAME, FIRST_NAME, STREET, CITY, STATE, POSTAL_CODE, COMISSION, RATE)

CUSTOMER (CUSTOMER_NUM, CUSTOMER_NAME, STREET, CITY, STATE, POSTAL_CODE, BALANCE, CREDIT_LIMIT, REP_NUM)

ORDERS (ORDER_NUM, ORDER_DATE, CUSTOMER_NUM)

ORDER_LINE (ORDER_NUM, ITEM_NUM, NUM_ORDERED, QUOTED_PRICE)

ITEM (ITEM_NUM, DESCRIPTION, ON_HAND, CATEGORY, STOREHOUSE, PRICE)