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Introduction to SQL

Introduction to SQL
Indexes may be created or dropped at any time.

True
False

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Introduction to SQL
SQL is:

a DBMS.
a programming language.
a data sublanguage.
an operating system.

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Introduction to SQL
To sort the results of a query use:

ORDER BY.
None of these
GROUP BY.
SORT BY.

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Introduction to SQL
DISTINCT and its counterpart, ALL, can be used more than once in a SELECT statement.

False
True

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Introduction to SQL
Which of the following SQL commands can be used to add data to a database table?

APPEND
INSERT
UPDATE
ADD

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Introduction to SQL
In SQL, which command(s) is(are) used to change a table's storage characteristics?

ALTER TABLE
All of these
MODIFY TABLE
CHANGE TABLE

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