# Query Performance

> The degree to which splitting data across normalized relations forces costly joins on read.

Record: `lex:query-performance`
Kind: quality-attribute
Layer: [Contracts Core](https://banes-lab.com/records/layer/contracts-core.md)
Canonical: https://banes-lab.com/ontology/lexicon#lex-query-performance

## category

- [Schema / Canonical Data / Semantics](https://banes-lab.com/records/lex-category/schema-canonical-data-semantics.md)

## referenced-by

- [Normalization](https://banes-lab.com/records/arch/normalization.md)