Exam 7: Database Administration

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You can only specify a primary key when you first create a table.​

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Information about tables in the database is kept in the system ____________________.​

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The command used to create an index is ____________________.​

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A view cannot involve statistics.​

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The GRANT command to indicate that a user has all privileges includes the FULL privilege.​

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The privilege ____ can be granted to retrieve data.​

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

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Views provide a measure of security.​

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

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

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What are the disadvantages of using an index?​

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The existing,permanent tables in a relational database are called stable tables.​

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What are the benefits of using views?​

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The command to delete a view is ____.​

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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.​

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

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An index makes certain types of retrieval more efficient.​

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An integrity ____________________ is a rule for the data in the database.​

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A view is updatable when it is derived from joining two base tables on the ____ of each table.​

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