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Introduction to Database System

Introduction to Database System
A database has data and relationships.

True
False

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Introduction to Database System
Composite identifiers consist of two or more attributes.

True
False

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Introduction to Database System
Internal auditors should review data system design before they are

implemented
All of the listed here
modified
developed

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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
Archetype entity
Instance entity
Subtype entity

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Introduction to Database System
For some relations, changing the data can have undesirable consequences called:

modification anomalies.
referential integrity constraints.
normal forms.
transitive dependencies.

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Introduction to Database System
Each of data files has a _____ that describe the way the data is stored in the file.

Records
Fields
Database
File structure

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