# database index

> data structure for database query optimization at the expense of write and storage to maintain the index structure

**Wikidata**: [Q580427](https://www.wikidata.org/wiki/Q580427)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Database_index)  
**Source**: https://4ort.xyz/entity/database-index


## References

1. [Source](https://www.geeksforgeeks.org/database-objects-in-dbms/)
2. [OpenAlex](https://docs.openalex.org/download-snapshot/snapshot-data-format)