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Introduction to Database System

Introduction to Database System
The following are functions of a DBMS except ________ .

processing data
administrating databases
creating and processing forms
creating databases

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Introduction to Database System
The on-line, softcopy display a customer's charge account to respond to an inquiry is an examples of a

exception report
regularly scheduled report
on demand report
forecasting report

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Introduction to Database System
A maximum cardinality is the maximum number of entity instances that can participate in a relationship instance.

False
True

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Introduction to Database System
A _____ database does not use pointers or physical links, but instead finds related records by examining the contents of fields.

Object-Oriented
Relational
Hierarchical
Network
None of these

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Introduction to Database System
A command that lets you change one or more fields in a record is

Insert
Look-up
None of these
All of these
Modify

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Introduction to Database System
Which of the following products was the first to implement true relational algebra in a PC DBMS?

Oracle
IDMS
R:base
dBase-II

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