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Product category helps you to show all the product which are include in a category and you can show it by using order by (product id, price, publish date, product name, position manufacturer) query, how many products you want to show in a page, which way you want to order it (ascending and descending) and also you can set title.
And what’s more?? If you even have thousands of categories, you don’t need to worry about loading that huge amount of products. We have an autocomplete select for that. Just type a letter of the categories name and autocomplete will give you suggestions. Check it out…..
But you must have a Category otherwise you will not be able to show those products.