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Introduction to Database System

Introduction to Database System
In a relation, the order of the rows matters.

False
True

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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
Greater Entity Count (GEC)
Minimum cardinality

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

False
True

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Introduction to Database System
Structured Query Language (SQL) is an internationally recognized standard language that is understood by all commercial database management system products.

False
True

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Introduction to Database System
If attribute A determines both attributes B and C, then it is also true that:

(B,C) →
B →
A →
C →

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Introduction to Database System
Which of the following contains a complete record of all activity that affected the contents of a database during a certain period of time?

data manipulation language
report writer
None of these
transaction log
query language

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