Comment on My takeaways from DjangoCon EU 2025parentComments−sgarland1yWhen you have a few million rows, no. When you have hundreds of millions or billions of rows, yes, it matters very much.−LunaSea1yIn many-to-many tables, the per-row overhead of the DBM usually weighs much more than the actual column data.
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When you have a few million rows, no. When you have hundreds of millions or billions of rows, yes, it matters very much.
In many-to-many tables, the per-row overhead of the DBM usually weighs much more than the actual column data.