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Entity relationship diagram

technique
Last discussed Oct 25, 2026

Diagram that maps database tables and how their schemas relate to one another.

Recently discussed in

How I Built a $10K/Month iOS app
Frederick James · Oct 25, 2026

What creators say

FJ
Frederick James
mentioned
Used for: Planning app data structure before building

"The second bit of prep that I like to do is map out a basic ERD. This is an entity relationship diagram. ... This is probably, to be honest, today a bit of a relic of the old ways that we used to build software."

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