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Introduction to Database System

Introduction to Database System
Which language has recently become the de-facto standard for interfacing application programs with relational database system?

4GL
SQL
Oracle
None of these
dBASE

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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
Versatile report generators can provide

Subtotals
Columnar totals
All of these
None of these
Calculations

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Introduction to Database System
All instances of an entity class have the same attributes.

False
True

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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
The modify operation is likely to be done after

Insert
Delete
Look-up
None of these
All of these

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