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Introduction to Database System

Introduction to Database System
The index consists of

All of these
pointers to the master list
a list of keys
None of these
both (a) and (b)

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Introduction to Database System
Embedded pointer provide

an inverted index
None of these
a secondary access path
a physical record key
All of these

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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?

Greater Entity Count (GEC)
ERD
Maximum cardinality
Minimum cardinality

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Introduction to Database System
Which of the following is not considered to be a basic element of an enterprise-class database system?

Users
COBOL programs
Database applications
DBMS

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Introduction to Database System
Which of the following is not an advantage of the data-base approach?

ability to associate related data
increased security
elimination of the data redundancy
program/data independence
All of these

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Introduction to Database System
Which type of entity represents an actual occurrence of an associated generalized entity?

Supertype entity
Subtype entity
Archetype entity
Instance entity

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