Problem 1 (1 point each, total 11 points)

For each concept in the left column below, select the closest matching item from the right column. Note that items in the right column are to be used at most once. Place the number of the right column item next to the corresponding left column item.

project on an attribute 1. index.

transaction 2. Microsoft.

data definition 3. permissible value set.

snapshot 4. Atomic, Concurrent, Integrated, Durable (ACID).

restrict 5. database management system.

inheritance 6. E.F. Codd.

equi-JOIN 7. DML.

referential integrity 8. Oracle.

fast query execution 9. JOIN where duplicate attributes are eliminated.

PL/SQL 10. existing value set.

relational data model 11. all or nothing.

12. derived relation. tuples are not stored.

13. meta-data.

14. sub-type to super-type.

15. NoSQL DBMS.

16. requests happening concurrently.

17. subset of tuples.

18. super-type to sub-type.

19. composition of relations.

20. compulsory pre-existence of tuples.

21. derived relation. tuples are stored.

22. compulsory pre-existence of values.