# schema evolution

> process of modifying a computer system's data schema while preserving existing data and functionality

**Wikidata**: [Q3951893](https://www.wikidata.org/wiki/Q3951893)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Schema_evolution)  
**Source**: https://4ort.xyz/entity/schema-evolution


## References

1. [OpenAlex](https://docs.openalex.org/download-snapshot/snapshot-data-format)