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Introduction to Database System

Introduction to Database System
SQL stands for ________ .

Sequential Question Language
Sequential Query Language
Structured Query Language
Structured Question Language

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

All of these
Look-up
None of these
Delete
Insert

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Introduction to Database System
If a calculation is embedded in a form

the result of the calculations are stored with the form
all of the listed here
the calculations are stored with the form
the result of the calculations are printed in report

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Introduction to Database System
In a relation, the order of the columns does not matter.

True
False

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Introduction to Database System
Which type of entity has its relationship to another entity determined by an attribute in that other entity called a discriminator?

Supertype entity
Instance entity
Subtype entity
Archetype entity

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Introduction to Database System
In which of the following can many entity instances of one type be related to many entity instances of another type?

Many-to-Many Relationship
One-to-Many Relationship
One-to-One Relationship
Composite Relationship

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