Bookmarks tagged [database-indexes]
https://stackoverflow.com/questions/1108/how-does-database-indexing-work
Why is it needed?
When data is stored on disk-based storage devices, it is stored as blocks of data. These blocks are accessed in their entirety, making them the atomic disk access operation. Disk bl...
- 📆 published on: 2008-08-04
- tags: sql, database, performance, indexing, database-indexes