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Introduction to SQL

Introduction to SQL
'AS' clause is used in SQL for

Join operation.
Projection operation.
Selection operation.
Rename operation.

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Introduction to SQL
In SQL, which of the following is not a data definition language commands?

RENAME
REVOKE
GRANT
UPDATE

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Introduction to SQL
Which SQL keyword is used to sort the result-set?

SORT
SORT BY
ORDER
ORDER BY

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Introduction to SQL
Indexes can usually be created for both primary and secondary keys.

True
False

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Introduction to SQL
The SQL statement that queries or reads data from a table is ________ .

READ
QUERY
SELECT
None of these

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Introduction to SQL
............. joins two or more tables based on a specified column value not equaling a specified column value in another table.

OUTER JOIN
EQUIJOIN
NON-EQUIJOIN
NATURAL JOIN

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