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Introduction to Database System

Introduction to Database System
Microsoft Access is an enterprise-class database product.

True
False

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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?

Maximum cardinality
ERD
Minimum cardinality
Greater Entity Count (GEC)

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Introduction to Database System
Data item characteristics that are important in data management include

width
spelling
language
punctuation

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Introduction to Database System
A tuple is a(n):

key of a table.
column of a table.
row of a table.
two dimensional table.

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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.

Object-Oriented
Relational
Network
None of these
Hierarchical

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Introduction to Database System
Which command is used to remove an index from the database in SQL?

REMOVE INDEX
DROP INDEX
ROLL BACK INDEX
DELETE INDEX

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