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LinkBack | Outils de la discussion |
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#1 (permalink) |
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Hébergeur: |
I'm trying to list my categories and how many items are in each
category. I'm not much on sub queries. How can I combine these two items. I'd like to display the category and the corresponding number of items in each Cats: Select Category.CategoryID, Category.Category, Category.Sorting From Category Order By Category.Sorting Desc Items: Select Count(Listings.CategoryID) From Listings Group By Listings.CategoryID I've tried the following but can't get it to work: Select Category.CategoryID, Category.Category, Category.Sorting, (Select Count(Listings.CategoryID) From Listings WHERE Listings.CategoryID = Category.CategoryID) AS cnt >From Category Order By Category.Sorting Desc |
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#2 (permalink) |
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Messages: n/a
Hébergeur: |
Select
Category.CategoryID, Category.Category, Category.Sorting, Count(Listings.CategoryID) as cnt >From Category, Listing WHERE Listings.CategoryID = Category.CategoryID) group by Category.CategoryID, Category.Category, Category.Sorting Order By Category.Sorting Desc If you are going to continue doing SQL - a good reference book would be in order. Also - the term (in this case) that you would use for Google would be Joins, Cross Joins |
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