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Editorial Team
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Asked: 2026-06-11T03:07:10+00:00

I’m in need of help designing a schema for a custom CMS, with these

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I’m in need of help designing a schema for a custom CMS, with these tables:

  • Products / Articles
  • News
  • Events

Every tables has got the usual stuff (only id’s and non-text fields, the text ones are in multilanguages tables)…

My problem comes from the creation of a ___CATEGORY table, every main table has a category table related

should I create two separate table for every “master” table (one for the category and one for the relations)

ProductCategory ( category_id ... )
ProductCategoryRel ( category_id , product_id )

NewsCategory ( category_id ... )
NewsCategoryRel ( category_id , news_id )

EventCategory ( category_id ... )
EventCategoryRel ( category_id , event_id )

Or should I create something united like this:

MainCategory ( category_id, type (Product/News/Event) ... )

ProductCategoryRel ( category_id , product_id )
NewsCategoryRel ( category_id , news_id )
EventCategoryRel ( category_id , event_id )

I really can’t decide, both solutions aren’t perfect…

Please note that the Products Category could have different (more) fields than the News/Events Category

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1 Answer

  1. Editorial Team

    If “Please note that the Products Category could have different (more) fields than the News/Events Category” then you should definitely go for the first option.

    See http://www.simple-talk.com/sql/database-administration/ten-common-database-design-mistakes/ (“One ring to rule them all”)

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