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Introduction to SQL

Introduction to SQL
Which of the following is valid SQL for an Index?

CHANGE INDEX ID;
CREATE INDEX ID;
ADD INDEX ID;
REMOVE INDEX ID;

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Introduction to SQL
Count function in SQL returns the number of

values.
groups.
columns.
distinct values.

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Introduction to SQL
The SQL keyword BETWEEN is used:

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

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

True
False

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

ALTER TABLE
CHANGE TABLE
All of these
MODIFY TABLE

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

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

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