Choose the best answer

1.			11 Which of the following does not describe a database?
			A)	A collection of information
			B)	Organized by logical structure
			C)	Accessed by logical structure
			D)	Organized by physical structure
2.			Which of the following does not describe a relational database?
			A)	Use a series of logically related two-dimensional tables
			B)	Use a series of logically related two-dimensional files
			C)	Contain a data definition language
			D)	None of the above
3.			What is the third step in building and designing a database?
			A)	Defining entity classes and primary keys
			B)	Defining relationships among entity classes
			C)	Defining information (fields) for each relation
			D)	Using a data definition language to create your database
4.			Which of the following is not a step used when building and designing a database?
			A)	Defining entity classes and entity keys
			B)	Defining relationships among entity classes
			C)	Defining information (fields) for each relation
			D)	Using a data definition language to create your database
5.			Which of the following is not a valid type of key?
			A)	Foreign key
			B)	Primary key
			C)	Composite key
			D)	Composite primary key
6.			What is a zero or optional relationship denoted by in an E-R diagram?
			A)	Rectangle
			B)	Dotted line
			C)	|
			D)	O
7.			What is the first rule of normalization?
			A)	Remove all derived fields from the relations
			B)	Assure that each field in a relation depends only on the primary key for that relation
			C)	Eliminate repeating groups or many-to-many relationships
			D)	None of the above
8.			What is a primary key field from two intersecting relations?
			A)	Intersection relation
			B)	Composite primary key
			C)	Foreign key
			D)	None of the above
9.			Which of the following helps you specify the logical organization for a database and access and use the information within the database?
			A)	Intersection relation
			B)	Composite primary key
			C)	Foreign key
			D)	None of the above
10.			Which of the following is not contained in a database management system?
			A)	Logical organization for a database
			B)	Ability to access information within a database
			C)	Data definition language
			D)	None of the above