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Editorial Team
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Asked: 2026-05-30T15:50:46+00:00

To exemplify my situation, think of a Question & Answer platform like stackoverflow. Basically

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To exemplify my situation, think of a Question & Answer platform like stackoverflow. Basically there are questions and answers tables. What is the best practice for displaying the number of answers of a specific question?

  • Should there be a “count column” in the questions table? Every time new answer is added or deleted “count column” should be updated.

  • Or just do count the rows of the answers using MySQL in the answers table? My concern in this option is the load to database but I am not sure.

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1 Answer

  1. Editorial Team

    I would not worry about load on the database unless you actually find it to be a problem. In fact, the option of keeping a count requires an additional update on every CRUD operation, so I would think that would be more overhead than an occasional count. Go with KISS first, and if you find a problem, then fix it 🙂

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