Refer the given tables and answer the question that follow: Table: PURCHASE DETAILS ORDER_NO PRODUCT_NAME 1001 KEYBOARD PRICE QUANTITY 100 56 1002 MONITOR 36 200 1003 MOUSE 6 100 300 1004 HARD DISK 58 1005 RAM 25 500 1007 CABINET 5 100 | a) Write an SQL query to display the ORDER_NO, PRODUCT_NAME and PRICE details of products with PRODUCT_NAME having 'a' letter exist in any position in the PRODUCT_NAME column values and amount is greater than 200. (Hint: Use PURCHASE_DETAILS table]. b) Develop an SQL query to display the ORDER_NO, PRODUCT_NAME and the length of values in ORDER_NO column. Give an alias Name LEN_ORDER. from the table PURCHASE_DETAILS