Could you please help me on this MySQL questions (Please don't use answers already in the Chegg system as they are not correct). Please send me results if possible. Appreciate your help

Make the following changes to the Premiere Products database (PL SEE BELOW). After each change, execute an appropriate query to show the change was made correctly. Do not commit your changes unless instructed to do so.

11. In the NONAPPLIANCE table, change the class for the part FD21 to NULL, and commit the change. (Please find a new solusion as the one in the system (Chegg) is not correct)

12. Add a column named QTY_VALUE to the NONAPPLIANCE table. The quantity value is a sevendigit number with two decimal places that represents the product of the quantity on hand and the unit price. Then set all values of QTY_VALUE to ON_HAND * PRICE. (Please find a new solusion as the one in the system (Chegg) is not working)

14. In the NONAPPLIANCE table, increase the length of the DESCRIPTION column to 30 characters. (Please find a new solusion as the one in the system (Chegg) is not working)

MySQL Database file:

CREATE DATABASE PREMIERE; USE PREMIERE; CREATE TABLE REP (REP_NUM CHAR(2) PRIMARY KEY, LAST_NAME CHAR(15), FIRST_NAME CHAR(15), STREET CHAR(15), CITY CHAR(15), STATE CHAR(2), ZIP CHAR(5), COMMISSION DECIMAL(7,2), RATE DECIMAL(3,2) ); CREATE TABLE CUSTOMER (CUSTOMER_NUM CHAR(3) PRIMARY KEY, CUSTOMER_NAME CHAR(35) NOT NULL, STREET CHAR(15), CITY CHAR(15), STATE CHAR(2), ZIP CHAR(5), BALANCE DECIMAL(8,2), CREDIT_LIMIT DECIMAL(8,2), REP_NUM CHAR(2) ); CREATE TABLE ORDERS (ORDER_NUM CHAR(5) PRIMARY KEY, ORDER_DATE DATE, CUSTOMER_NUM CHAR(3) ); CREATE TABLE PART (PART_NUM CHAR(4) PRIMARY KEY, DESCRIPTION CHAR(15), ON_HAND DECIMAL(4,0), CLASS CHAR(2), WAREHOUSE CHAR(1), PRICE DECIMAL(6,2) ); CREATE TABLE ORDER_LINE (ORDER_NUM CHAR(5), PART_NUM CHAR(4), NUM_ORDERED DECIMAL(3,0), QUOTED_PRICE DECIMAL(6,2), PRIMARY KEY (ORDER_NUM, PART_NUM) ); INSERT INTO REP VALUES ('20','Kaiser','Valerie','624 Randall','Grove','FL','33321',20542.50,0.05); INSERT INTO REP VALUES ('35','Hull','Richard','532 Jackson','Sheldon','FL','33553',39216.00,0.07); INSERT INTO REP VALUES ('65','Perez','Juan','1626 Taylor','Fillmore','FL','33336',23487.00,0.05); INSERT INTO CUSTOMER VALUES ('148','Al''s Appliance and Sport','2837 Greenway','Fillmore','FL','33336',6550.00,7500.00,'20'); INSERT INTO CUSTOMER VALUES ('282','Brookings Direct','3827 Devon','Grove','FL','33321',431.50,10000.00,'35'); INSERT INTO CUSTOMER VALUES ('356','Ferguson''s','382 Wildwood','Northfield','FL','33146',5785.00,7500.00,'65'); INSERT INTO CUSTOMER VALUES ('408','The Everything Shop','1828 Raven','Crystal','FL','33503',5285.25,5000.00,'35'); INSERT INTO CUSTOMER VALUES ('462','Bargains Galore','3829 Central','Grove','FL','33321',3412.00,10000.00,'65'); INSERT INTO CUSTOMER VALUES ('524','Kline''s','838 Ridgeland','Fillmore','FL','33336',12762.00,15000.00,'20'); INSERT INTO CUSTOMER VALUES ('608','Johnson''s Department Store','372 Oxford','Sheldon','FL','33553',2106.00,10000.00,'65'); INSERT INTO CUSTOMER VALUES ('687','Lee''s Sport and Appliance','282 Evergreen','Altonville','FL','32543',2851.00,5000.00,'35'); INSERT INTO CUSTOMER VALUES ('725','Deerfield''s Four Seasons','282 Columbia','Sheldon','FL','33553',248.00,7500.00,'35'); INSERT INTO CUSTOMER VALUES ('842','All Season','28 Lakeview','Grove','FL','33321',8221.00,7500.00,'20'); INSERT INTO ORDERS VALUES ('21608','2007-10-20','148'); INSERT INTO ORDERS VALUES ('21610','2007-10-20','356'); INSERT INTO ORDERS VALUES ('21613','2007-10-21','408'); INSERT INTO ORDERS VALUES ('21614','2007-10-21','282'); INSERT INTO ORDERS VALUES ('21617','2007-10-23','608'); INSERT INTO ORDERS VALUES ('21619','2007-10-23','148'); INSERT INTO ORDERS VALUES ('21623','2007-10-23','608'); INSERT INTO PART VALUES ('AT94','Iron',50,'HW','3',24.95); INSERT INTO PART VALUES ('BV06','Home Gym',45,'SG','2',794.95); INSERT INTO PART VALUES ('CD52','Microwave Oven',32,'AP','1',165.00); INSERT INTO PART VALUES ('DL71','Cordless Drill',21,'HW','3',129.95); INSERT INTO PART VALUES ('DR93','Gas Range',8,'AP','2',495.00); INSERT INTO PART VALUES ('DW11','Washer',12,'AP','3',399.99); INSERT INTO PART VALUES ('FD21','Stand Mixer',22,'HW','3',159.95); INSERT INTO PART VALUES ('KL62','Dryer',12,'AP','1',349.95); INSERT INTO PART VALUES ('KT03','Dishwasher',8,'AP','3',595.00); INSERT INTO PART VALUES ('KV29','Treadmill',9,'SG','2',1390.00); INSERT INTO ORDER_LINE VALUES ('21608','AT94',11,21.95); INSERT INTO ORDER_LINE VALUES ('21610','DR93',1,495.00); INSERT INTO ORDER_LINE VALUES ('21610','DW11',1,399.99); INSERT INTO ORDER_LINE VALUES ('21613','KL62',4,329.95); INSERT INTO ORDER_LINE VALUES ('21614','KT03',2,595.00); INSERT INTO ORDER_LINE VALUES ('21617','BV06',2,794.95); INSERT INTO ORDER_LINE VALUES ('21617','CD52',4,150.00); INSERT INTO ORDER_LINE VALUES ('21619','DR93',1,495.00); INSERT INTO ORDER_LINE VALUES ('21623','KV29',2,1290.00);