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Introduction to Database System

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

utilities
database manipulation language
query language
All of these
report writer

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Introduction to Database System
A database design may be based on existing data.

False
True

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Introduction to Database System
A relation is in Boyce-Codd Normal Form (BCNF) if every determinant is a composite key.

False
True

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Introduction to Database System
A _____ database does not use pointers or physical links, but instead finds related records by examining the contents of fields.

Hierarchical
Network
Relational
Object-Oriented
None of these

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

ERD
Minimum cardinality
Maximum cardinality
Greater Entity Count (GEC)

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

Insert
None of these
All of these
Look-up
Delete

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