Across
- 2. A tree-based indexing structure
- 6. The process of selecting the most efficient query plan.
- 7. Index that maintains a hierarchy of levels.
- 9. A lock for read-only access.
Down
- 1. Recovery technique that reapplies committed changes.
- 3. The act of turning a query into an internal database representation.
- 4. Ensures committed changes survive failures.
- 5. Only some search-key values have index entries when data is sorted.
- 8. A lock that prevents others from reading or writing the same item.