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Introduction to Database System

Introduction to Database System
The highest level in the hierarchy of data organization is called

data record
database
data file
data bank

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Introduction to Database System
Entities can be associated with one another in which of the following?

Identifiers
Relationships
Attributes
Entities

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Introduction to Database System
Which of the following indicates the maximum number of entities that can be involved in a relationship?

ERD
Greater Entity Count (GEC)
Maximum cardinality
Minimum cardinality

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Introduction to Database System
A database has data and relationships.

False
True

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Introduction to Database System
Given the functional dependency R → S , R is called the determinant.

False
True

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

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

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