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Updated readme [skip ci]
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@@ -445,7 +445,7 @@ For multiple columns, consider a [multicolumn index](https://www.postgresql.org/
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CREATE INDEX ON items (store_id, category_id);
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```
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Exact indexes work well for conditions that match a small fraction of rows. For larger fractions, [approximate indexes](#indexing) can work better.
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Exact indexes work well for conditions that match a lower percentage of rows. Otherwise, [approximate indexes](#indexing) can work better.
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```sql
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CREATE INDEX ON items USING hnsw (embedding vector_l2_ops);
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