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WGU D427 Chapter 2 exam questions fully solved & updated 2025
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WGU D427 Chapter 2 exam questions fully solved & updated 2025
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WGU D427 Chapter 2 examquestions fully solved & updated
2025
IN - answer This operator is used in a WHERE
clause to determine if a value matches one of
several values.
BETWEEN - answer This operator provides an
alternative way to determine if a value is between
two other values. The operator is written value
________ minValue AND maxValue and is equivalent
to value >= minValue AND value <= maxValue.
LIKE - answer This operator, when used in a
WHERE clause, matches text against a pattern
using the two wildcard characters % and _.
BINARY - answer This operator performs case-
insensitive pattern matching by default or case-
sensitive pattern matching if followed by the
__________ keyword.
DISTINCT - answer This clause is used with a
SELECT statement to return only unique or _________
values.
, ORDER BY - answer This clause orders selected
rows by one or more columns in ascending
(alphabetic or increasing) order.
DESC - answer This keyword with the ORDER BY
clause orders rows in descending order.
function / argument - answer A function operates
on an expression enclosed in parentheses, called
an argument, and returns a value. Usually, the
argument is a simple expression, such as a column
name or fixed value. Some functions have several
arguments, separated by commas, and a few have
no arguments at all.
aggregate function - answer processes values
from a set of rows and returns a summary value.
COUNT() - answer counts the number of rows in
the set.
MIN() - answer finds the minimum value in the
set.
MAX() - answer finds the maximum value in the
set.
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