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Computer Science Engineering
ER-Model & Relational Model

1.  The database environment has all of the following components except:
A. UsersB. Separate files
C. DatabaseD. Database administrator

2.  The relational model feature is that there
A. Is no need for primary key dataB. Is much more data independence than some other database models
C. Are explicit relationships among recordsD. Are tables with many dimensions

3.  Related fields in a database are grouped to form a
A. Data fileB. Data record
C. MenuD. Bank

4.  The way a particular application views the data from the database that the application uses is a
A. ModuleB. Relational model
C. SchemaD. Sub schema

5.  A logical schema
A. Is the entire databaseB. describe data in terms of relational tables and columns, object-oriented classes, and XML tags
C. Describes how data is actually stored on diskD. Both (A) and (C)

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