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