1. In an SQL query, which of the following symbols is used by ANSI-92 SQL (as opposed to the ANSI-89 used in MS Access) to represent a single unspecified character?
2. In an SQL query, which SQL keyword is used to determine if a column value is equal to any one of a set of values?
3. In an SQL query, which SQL keyword is used to link two conditions that both must be true for the rows to be selected?
4. In an SQL query, which SQL keyword is used to state the condition that specifies which rows are to be selected?
5. In an SQL query, which of the following symbols is used by ANSI-92 SQL to represent all the columns in a single table?
6. In an SQL query, which SQL keyword must be used to remove duplicate rows from the result table?
7. ? (question mark)
8. _ (underscore)
9. % (percent)
10. * (asterisk)
11. . (period)
12. EXISTS
13. AND
14. OR
15. IN
16. EXISTS
17. AND
18. OR
19. IN
20. SET
21. SELECT
22. FROM
23. WHERE
24. ? (question mark)
25. * (asterisk)
26. % (percent)
27. _ (underscore)

a. KEY

b. DISTINCT

c. DELETE

d. UNIQUE