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Introduction to Database System

Introduction to Database System
In the DBM approach, application programs perform the

access control
storage function
processing functions
all of the listed here

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Introduction to Database System
A data dictionary is a special file that contains

the widths of all fields in all files
the names of all fields in all files
the data types of all fields in all files
All of these
None of these

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Introduction to Database System
Database applications are seldom intended for use by a single user.

False
True

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Introduction to Database System
It is more accurate to define a _____ as a variety of different record types that are treated as a single unit

Flat File
Table
None of these
Database
Record

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Introduction to Database System
Which of the following is NOT a basic element of all versions of the E-R model?

Primary keys
Attributes
Entities
Relationships

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Introduction to Database System
If you want to group the records in the abc database, you could use the Jobcode as the _____.

Sort Key
Delete
Update
Index

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