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Introduction to Database System

Introduction to Database System
The DBMS that is most difficult to use is ________ .

Microsoft's SQL Server
IBM's DB2
Oracle Corporation's Oracle
Microsoft's Access

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Introduction to Database System
A _____ means that one record in a particular record type is related to only one record of another record type.

One-to-many relationship
Many-to-many relationship
One-to-one relationship
Many-to-one relationship
None of these

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Introduction to Database System
The model for a _____ resembles the hierarchical model in many respects.

Hierarchical database
None of these
Relational database
Distributed database
Network database

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Introduction to Database System
Which type of entity represents a logical generalization whose actual occurrence is represented by a second, associated entity?

Subtype entity
Archetype entity
Instance entity
Supertype entity

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Introduction to Database System
A DBMS that combines a DBMS and an application generator is ________ .

Oracle Corporation's Oracle
IBM's DB2
Microsoft's SQL Server
Microsoft's Access

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Introduction to Database System
The different classes of relations created by the technique for preventing modification anomalies are called:

normal forms.
functional dependencies.
referential integrity constraints.
None of these

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