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Multiple Choice Quiz
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1
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
What is a zero or optional relationship denoted by in an E-R diagram?
A)Rectangle
B)Dotted line
C)|
D)O
6
Which of the following is not a valid type of key?
A)Foreign key
B)Primary key
C)Composite key
D)Composite primary key
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)Determine integrity constraints
8
What is a primary key field from two intersecting relations?
A)Intersection relation
B)Composite primary key
C)Foreign key
D)Block of cells
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





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