Superstore Database

CREATE TABLE superstore (
    item_id INTEGER PRIMARY KEY,
    item_name TEXT,
    category TEXT,
    price DECIMAL(10, 2),
    stock_quantity INTEGER,
    average_rating DECIMAL(3, 2)
);

INSERT INTO superstore (item_id, item_name, category, price, stock_quantity, average_rating)
VALUES
    (1, 'Stainless Steel Cookware Set', 'Kitchen Supplies', 89.99, 50, 4.6),
    (2, 'Memory Foam Mattress', 'Furnishings', 499.99, 30, 4.8),
    (3, 'Smart LED TV', 'Electronics', 549.00, 20, 4.5),
    (4, 'Robot Vacuum Cleaner', 'Appliances', 199.50, 40, 4.3),
    (5, 'Wireless Bluetooth Speaker', 'Electronics', 39.99, 60, 4.2),
    (6, 'Non-Stick Baking Set', 'Kitchen Supplies', 29.95, 80, 4.4),
    (7, 'Cotton Bedding Set', 'Furnishings', 89.00, 25, 4.7),
    (8, 'Smart Home Security Camera', 'Electronics', 79.95, 15, 4.1),
    (9, 'Air Purifier', 'Appliances', 129.50, 35, 4.6),
    (10, 'Premium Coffee Maker', 'Kitchen Supplies', 79.99, 50, 4.9),
    (11, 'Ergonomic Office Chair', 'Furnishings', 189.00, 20, 4.5),
    (12, 'Wireless Earbuds', 'Electronics', 49.99, 75, 4.3),
    (13, 'Slow Cooker', 'Appliances', 49.95, 30, 4.7),
    (14, 'Cutlery Set', 'Kitchen Supplies', 34.50, 40, 4.4),
    (15, 'Cozy Throw Blanket', 'Furnishings', 24.99, 100, 4.2);

-- Ordering items by price
select item_name, price
from superstore
order by price;

-- Show a statistic about the items prices
select avg(price)
from superstore;

-- Show a statistic about price for items in the kitchen supplies category
select avg(price)
from superstore
where category="Kitchen Supplies";

-- Show how many air purifiers are in stock
select stoce sk_quantity
from superstore
where item_name="Air Purifier";