Across
- 2. alternate access to data
- 5. _____ algebra
- 8. operator to combine tables
- 9. used to understand SQL execution
- 13. algorithm to determine key
- 14. another name for extra tuples from improper joins
- 15. root of lot of anomaly problems
- 17. this key refers to another table
- 18. type of sort
- 19. not implemented in mysql
- 21. primary key can not be this
- 22. W in WAL
Down
- 1. if multiple of these, one is primary
- 3. functional _____________
- 4. only one index can be this
- 6. B in BCNF
- 7. sequencing of concurrent transactions
- 10. attribute not in the primary key
- 11. contains a key
- 12. desired property of decomposition
- 16. eliminate duplicates
- 20. Q in QPT