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Introduction to Database System

Introduction to Database System
A relation is in 5NF when multivalued dependencies are isolated in their own relation.

False
True

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Introduction to Database System
The main idea behind computer files is that it is convenient to

arrange them
store information together
create them
access them

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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?

R:base
Oracle
IDMS
dBase-II

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Introduction to Database System
In a database, data is stored in spreadsheets which have rows and columns.

True
False

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Introduction to Database System
Which of the following indicates the minimum number of entities that must be involved in a relationship?

Maximum cardinality
Greater Entity Count (GEC)
ERD
Minimum cardinality

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Introduction to Database System
A database management system

Both of the listed here
allows simultaneous access to multiple files
None of the listed here
can do more than a record management system

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