Database

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False

One method of extending the amount of data stored about an object is to have two rows with the objects key and just continue the data from one row to the next.

True

One of the reasons a database records user activities is to determine if a user has performed inappropriate actions.

False

Only simple values, like a part number, are used as keys in a relational database table.

Least Privilege

Security Rules are most often defined around what principle?

Separation of Privileges

Security Rules that allow one Human Resources clerk to create employees but requires another staff member to set their salaries implements what principle?

Security through Obscurity

Security Rules that prevent a user from even seeing the existence of certain parts of a database are typical of what principle?

False

The Database Administrator cannot see the contents of the database they manage.

True

The Database Administrator is responsible for controlling who has access to the database and why type of access they have.

True

The Database Administrator is responsible for defining rules that restrict the type of value that can be entered into database?

False

The source end of the link between relational database tables may contain any value.

False

Two columns in a relational database table cannot contain the same values

False

Two columns in a relational database table cannot contain the same values.

Defense in Depth

What security principle would require the use of a specific computer in addition to logging in with the correct account name and password?

Forms

What type of database interface would display database values using a dialog box?

Report

What type of database interface would display database values with titles, headings and divided into numbered pages?

Query

What type of database interface would select only certain values to be displayed?

Value format

Which type of Integrity Rule would prevent the word "none" from being enter as the quantity of an item ordered?

No null key values

Which type of Integrity Rule would require that a new employee be assigned a unique employee number before he or she could be inserted into the employee table?

Link Values

Which type of Integrity Rule would require that a part number entered on an order exist in the part table?

No Null Values

Which type of Integrity Rule would require that the name of an employee not be blank?

Value ranges

Which type of Integrity Rule would require that the price of a part not be negative?

True

A column in a relational database table is a description of an object or relationship characteristic.

False

A key has no significance outside relational database table on which it is defined.

False

A key in a relational database table is a row in which all of the values are unique.

False

A relational database is a collection of columns.

False

A relational database is a collection of rows.

True

A relational database is a collection of tables.

True

A row in a relational database table is a description of a single object or relationship occurrence.

True

A table in a relational database is a collection of rows.

False

A table in a relational database is a collection of values.

True

A table in a relational database is used to describe a collection of a single type of objects or relationships.

True

Databases are powerful enough to include rules that prevent most unauthorized activity.

False

Databases are powerful enough to permit multiple copies of a data item.

False

Databases are powerful enough to permit multiple users to access them at the same time.

True

Databases are similar to Operating Systems in that they must determine who has access.

True

Databases are similar to Operating Systems in that they must manage a variety of resources to prevent their abuse.

False

Databases are similar to Operating Systems in that they provide the same basic set of interfaces to the user.

False

Either end of the link between relational database tables may be a key.

False

It is not unusual for two rows in a relational database table to contain exactly the same data.

False

None of the reasons a database records user activities includes anything about fixing the problems created by inappropriate user actions.

False

None of the reasons a database records user activities includes anything that would assist in prosecuting a user for inappropriate activities.


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