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What you describe doesn't need an index on the foreign key, that's the point I was making.
by asdasf 13y ago
What you describe doesn't need an index on the foreign key, that's the point I was making.
- philwelch 13y agoIf you designate it as a foreign key in the schema it'll just use the PK index even if you don't join that table in at all? Wait, how does that even work? Does the PK index include the foreign key rows then? That's an awesome feature.