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Introduction to SQL

Introduction to SQL
The SQL keyword(s) ________ is used with wildcards.

IN only
IN and NOT IN
LIKE only
NOT IN only

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Introduction to SQL
A subquery in an SQL SELECT statement is enclosed in:

parenthesis -- (...) .
brackets -- [...].
CAPITAL LETTERS.
braces -- {...}.

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Introduction to SQL
Which of the following group functions ignore NULL values?

All of these
COUNT
MAX
SUM

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Introduction to SQL
Which of the SQL statements is correct?

SELECT Username, Password FROM Users
SELECT Username, Password WHERE Username = 'user1'
None of these
SELECT Username AND Password FROM Users

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Introduction to SQL
Which of the following SQL commands is used to retrieve data?

DELETE
JOIN
INSERT
SELECT

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Introduction to SQL
The Microsoft Access wildcards are ____ and ____ .

question mark (?); asterisk (*)
underscore(_); question mark (?)
asterisk (*); percent sign (%)
percent sign (%); underscore (_)

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