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Introduction to Database System

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

True
False

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Introduction to Database System
The different classes of relations created by the technique for preventing modification anomalies are called:

None of these
functional dependencies.
normal forms.
referential integrity constraints.

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Introduction to Database System
1:1, 1:N and N:M relationships are also known as HAS-A relationships.

True
False

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Introduction to Database System
A minimum cardinality is the minimum number of entity instances that may participate in a relationship instance.

False
True

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Introduction to Database System
In a one-to-many relationship, the entity that is on the one side of the relationship is called a(n) ________ entity.

instance
child
parent
subtype

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Introduction to Database System
An operation that will increase the length of a list is

Look-up
Modify
All of the listed here
Insert

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