how many colors are in list in the description?
select count ( * ) from ref_colors
Find the product list of the product name?
select product_name from products
Find the color of the product id 2?
select t2.color_description from products as t1 join ref_colors as t2 on t1.color_code = t2.color_code where product_id = "2"
how many herbs in the product category code?
select count ( * ) from products where product_category_code = "Herbs"