oplossing How-to-insert-update-and-delete-data.sql

How-to-insert-update-and-delete-data.sql

@@ -1,30 +1,46 @@
 -- 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
 
 
+