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Introduction to Database System

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

True
False

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Introduction to Database System
A functional dependency is a relationship between or among attributes.

True
False

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Introduction to Database System
The master list of an indexed file

both (b) and (c)
contains only a list of keys and record numbers
None of these
is sorted in ascending order
has a number assigned to each record

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Introduction to Database System
What name is given to the collection of facts, items of information or data which are related in some way?

Database
Directory information
Information tree
Information provider

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Introduction to Database System
Given the functional dependency R → S , R is called the determinant.

True
False

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Introduction to Database System
The modify operation is likely to be done after

Delete
Insert
None of these
Look-up
All of these

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