Exam 7: Database Administration

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You cannot delete a row from a view.​

(True/False)
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A view is a derived table.​

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

(Short Answer)
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You can add rows to a view that includes calculations.​

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To create a view definition,use the ____________________ command.​

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

(Multiple Choice)
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The CREATE VIEW command includes the words CREATE VIEW,followed by the name of the view,the word ____,and then a query.​

(Multiple Choice)
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The defining query can be any transaction.​

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The DROP VIEW command removes the tables and data on which the view is based.​

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To add a primary key after creating a table,you can use the ____________________ clause of the ALTER TABLE command.​

(Short Answer)
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A view that involves statistics calculated from one or more base tables is the easiest view when attempting to update data.​

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To ensure the uniqueness of values in a nonprimary key column,use the ____ command to create an index.​

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The privilege ____ can be granted to change the table structure.​

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When the primary key contains more than one column,use commas to separate the column names.​

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

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Most database management systems support the creation of views.​

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If two base tables have the same primary key and the primary key is used as the join column,updating the database is a problem.​

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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.​

(Short Answer)
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Normally,when the database administrator grants a particular privilege to a user,the user cannot pass that privilege along to other users.​

(True/False)
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____________________ is the prevention of unauthorized access to a database.​

(Short Answer)
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