_________ produce the number of rows or non NULL field values that the query selected.
Total
Counted
Count
Cout
Which of the following is used to add a row into a table?
ADD
CREATE
INSERT
MAKE
__________ operator can be applied to fields of type of CHAR or VARCHAR, against which it is used to find substrings.
LIKE
ALL
AND
CHAR
The _______ operator explicitly defines a set in which a given value may or may not be included.
IN
where
NULL
_________ produces the arithmetic sum of all selected values of a given field.
sum( )
count( )
total( )
avg( )
NULL which means ___________.
a field
a value
zero (0)
not a value