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Evgeny2016-11-02 03:36:10
MySQL
Evgeny, 2016-11-02 03:36:10

How to find categories in which there are no products?

There are 3 tables
Structure Lst_Cat (CatId, CategoryParentId, Name)
Structure Lst_Goods (GoodId, Name)
Structure Lst_GoodsToCat ( GoodToCatId, GoodId, CatId)
1. How to find products without categories?
2. How to find categories in which there are no products?

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