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Introduction to SQL

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

GROUP BY
ALIGN BY
SORT BY
ORDER BY

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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.

EQUIJOIN
NON-EQUIJOIN
OUTER JOIN
NATURAL JOIN

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

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

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Introduction to SQL
The command to remove rows from a table 'CUSTOMER' is:

DROP FROM CUSTOMER ...
DELETE FROM CUSTOMER WHERE ...
UPDATE FROM CUSTOMER ...
REMOVE FROM CUSTOMER ...

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Introduction to SQL
The keyword LIKE can be used in a WHERE clause to refer to a range of values.

True
False

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Introduction to SQL
Scalar aggregate are multiple values returned from an SQL query that includes an aggregate function.

True
False

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