2 years ago · e48b229a76
--- a/How-to-insert-update-and-delete-data.sql
+++ b/How-to-insert-update-and-delete-data.sql
@@ -1,30 +1,53 @@
    -- Exercise 1

    INSERT INTO categories
    VALUES (default, 'Brass');

    -- Exercise 2

    UPDATE categories
    SET category_name = 'Woodwinds'
    WHERE category_id = 5;

    -- Exercise 3

    DELETE FROM categories
    WHERE category_id = 5;

    -- Exercise 4

    INSERT INTO products (product_id, category_id, product_code, product_name, description, list_price, discount_percent, date_added)
    VALUES (default, 4, 'dgx_640', 'Yamaha DGX 640 88-Key Digital Piano', 'Long description to come.', 799.99, 0, now());

    -- Exercise 5

    UPDATE products
    SET discount_percent = 35
    WHERE product_id = 11;

    -- Exercise 6

    DELETE FROM categories
    WHERE category_id = 4;
    DELETE FROM products
    WHERE product_id = 11;

    -- Exercise 7

    INSERT INTO customers (email_address, password, first_name, last_name)
    VALUES ('rick@raven.com', '', 'Rick', 'Raven');

    -- Exercise 8

    UPDATE customers
    SET password = 'secret'
    WHERE email_address = 'rick@raven.com';

    -- Exercise 9

    UPDATE customers
    SET password = 'reset'
    LIMIT 100


    -- Exercise 10