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Asked: 2026-05-29T10:56:04+00:00

I know there are several question like this one but I feel I’ve spent

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I know there are several question like this one but I feel I’ve spent more than enough time trying different examples for a simple little hobby project. Yes, I’m being lazy, but in my defense, It’s Saturday morning…

So I’ve got a table, Items which have the following fields (and more irrelevant ones):
id (varchar), product (varchar), provider (varchar)

Items are part of products, and have a provider.

I want to write a query where I can get one item per product a given provider supplies.

So even if a provider supplies all items for a product, I just want one of those.

I know I can’t do distinct on only one field but I’ve tried with different variants o joins.
Should be simple for those of you who actually know what you’re doing.

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1 Answer

  1. Editorial Team

    mysql have gone to the trouble of creating a website that contains a manual and all references to its features.

    for distinct:

    http://dev.mysql.com/doc/refman/5.0/en/distinct-optimization.html

    select DISTINCT(columnname) from MYTABLE where RULESAPPLY
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