Hi, I currently have a table with 2 columns, product_id and feature. Each product_id can have multiple features. My two columns are: product_id is type char(13) feature is type varchar(128) In order to make sure I don't have the same feature listed twice for a particular product, I have set the PRIMARY key on product_id and feature. I have lots of products and lots of features. Is design bloating my available key_buffer memory with too much data? Is there a better way to index this data? Thanks, Grant
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