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The system catalog is also called the ____.


A) system database
B) data dictionary
C) master data table
D) transaction database

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If the database structure changes, the user cannot access and use the view.

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False

Views provide data validation.

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A view cannot involve statistics.

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The defining query can be any transaction.

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False

Which of the following commands lists all the privileges granted to a user?


A) SHOW GRANTS
B) SHOW PRIVILEGES
C) SHOW USERS
D) SHOW SECURITY

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With a view, the display of data can be customized to meet each user's needs.

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You cannot delete a row from a view.

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False

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

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When you create a view, you cannot assign column names that are different from those in the base table .

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The main mechanism for providing access to a database is the ____________________ command.

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The types of constraints supported in MySQL are ____.


A) primary keys
B) foreign keys
C) legal values
D) All of the above

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The command used to delete an index is ____________________.

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When you specify a foreign key, the table referenced by the foreign key is the ____.


A) super
B) sibling
C) parent
D) child

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Views furnish a certain amount of security; if users are accessing the database through a view, they cannot access any data that is not included in the view.

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The database administrator uses the ____________________ command to revoke privileges from users.

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____________________ is the prevention of unauthorized access to a database.

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When you create a query that involves a view, SQL changes the query to one that selects data from the table(s)in the database that created the view.

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A(n)____________________ subset view consists of a subset of the rows and columns in some base table.

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The correct command to allow user Thompson to delete rows in the CUSTOMER table would be: GRANT ____ ON CUSTOMER TO THOMPSON.


A) DROP
B) REMOVE
C) UPDATE
D) DELETE

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