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Introduction to SQL

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
The SQL keyword BETWEEN is used:

as a wildcard.
to limit the columns displayed.
None of these
for ranges.

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Introduction to SQL
SQL is a programming language.

False
True

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Introduction to SQL
Which one of the following sorts rows in SQL?

ORDER BY
SORT BY
ALIGN BY
GROUP BY

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Introduction to SQL
Which of the following is the original purpose of SQL?

All of these
To specify the syntax and semantics of SQL data definition language
To define the data structures
To specify the syntax and semantics of SQL manipulation language

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Introduction to SQL
The HAVING clause acts like a WHERE clause, but it identifies groups that meet a criterion, rather than rows.

True
False

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