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Editorial Team
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Asked: 2026-05-18T09:58:22+00:00

I hope I am not asking a too obvious question here. For my current

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I hope I am not asking a too obvious question here.

For my current project I am designing a relatively simple database using sql server 2008. For one of the tables I have decided to introduce a ‘Computed Column’ (not persisted). Its expression is simply the product of 2 other numeric columns and its sole reason for existence is convenience (I am doing some one-way databinding to a webpage).

I realized however that using a computed column violates the first normal form. This got me wondering: Wat are the trade-offs? If my only reason for the computed column is convenience, does it outweigh the denormalization?

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1 Answer

  1. Editorial Team

    “using a computed column violates the first normal form”: not at all ! It’s not stored, it is re-calculated with the latest data at all time. So it is an excellent solution, just like having a calculated column in a view.

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