QUESTION 18 Which view type is based on a subquery that references only one table and does not include group functions, expressions, or GROUP BY causes?

a. Simple View

b. Inline View

c. Complex View

d. Materialized View

QUESTION 19 You can nest subqueries inside all EXCEPT _______ clauses of other subqueries.

a. FROM

b. WHERE

c. HAVING

d. DISTINCT

QUESTION 20 Which of the following are not a main type of single-row functions:

a. description functions

b. conversion functions

c. numeric functions

d. regular expression functions