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True or False Quiz
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1
A relational database is a collection of information that you organize and access according to the logical structure of that information.
A)True
B)False
2
A relational database uses a series of logically related three-dimensional tables or files to store information in the form of a database.
A)True
B)False
3
When creating a database you must know the physical location of the information you want to use.
A)True
B)False
4
Defining relationships among entity classes is the first step in building and designing a database.
A)True
B)False
5
Using a data definition language to create your database is the final step in building and designing a database.
A)True
B)False
6
An instance is an occurrence of an entity class that can be uniquely described.
A)True
B)False
7
An entity class is a concept, which stores information and can be identified with a unique key.
A)True
B)False
8
A crow's foot denotes a single relationship in an E-R diagram.
A)True
B)False
9
A composite primary key consists of the primary key of one file that appears in another file.
A)True
B)False
10
Database management system (DBMS) helps you specify the logical organization for a database and access and use the information within the database.
A)True
B)False





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