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To create a view definition, use the ____________________ command.

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In a business organization, a person or an entire group known as the ____ is charged with managing the database.


A) database analyst
B) developer
C) database administrator
D) programmer

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Which of the following commands deletes a view?


A) DELETE VIEW
B) DROP VIEW
C) REVOKE VIEW
D) REMOVE VIEW

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You can create and use a(n)____________________ to speed up the searching process significantly.

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Which of the following commands deletes an index?


A) DELETE INDEX
B) REMOVE INDEX
C) UNINDEX
D) DROP INDEX

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To add a row to your view, simply add a row to each underlying derived table.

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Views provide a measure of security.

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An auxiliary key is a column in one table whose values match the primary key in another table.

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Most database management systems support the creation of views.

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MySQL version 5.0 provides support for views.

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The privilege ____ can be granted to retrieve data.


A) SELECT
B) UPDATE
C) RETRIEVE
D) READ

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When you specify a foreign key, the table containing the foreign key is the parent.

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The general form for assigning a foreign key is ADD FOREIGN KEY, the column name(s) of the foreign key, the ____ clause, and then the table name that the foreign key must match.


A) WHERE
B) REFERENCES
C) FROM
D) IN

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An index makes certain types of retrieval more efficient.

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What are the disadvantages of using an index?

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First, an index occupies disk space. Usi...

View Answer

A view is defined by creating a defining ____________________, which indicates the rows and columns to include in the view.

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The defining query for a view can be any valid SQL query.

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When renaming columns, you include the new column names in ____ following the name of the view.


A) single quotes
B) double quotes
C) parentheses
D) square brackets

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Within relational model systems on both mainframes and personal computers, the main mechanism for increasing the efficiency with which data is retrieved from the database is the ____________________.

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To ensure the uniqueness of values in a non-primary key column, you can create a unique index by using the ____________________ command.

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