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Introduction to Database System

Introduction to Database System
A candidate key is a determinant that determines all the other columns is a relation.

True
False

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Introduction to Database System
Which of the following is not true of the traditional approach to information processing?

It is inflexible
There is common sharing of data among the various applications
It is file-oriented
Programs are dependent on the files
All of these

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Introduction to Database System
Which of the following is a type of DBMS software?

database manipulation language
All of these
query language
utilities
report writer

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Introduction to Database System
Which of the following is not the responsibility of the utilities component of DBMS software?

removing flagged records for deletion
creating and maintaining the data dictionary
None of these
creating the physical and logical designs
monitoring performance

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Introduction to Database System
An entity class is a collection of entities and is described by the structure of the entities in that class.

True
False

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Introduction to Database System
Which of the following is NOT a basic element of all versions of the E-R model?

Relationships
Attributes
Entities
Primary keys

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