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Introduction to Database System

Introduction to Database System
A relation in this form is free of all modification anomalies.

Second normal form
Domain/key normal form
First normal form
Third normal form

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

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

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Introduction to Database System
What is the language used by most of the DBMSs for helping their users to access data?

Query language
High level language
4GL
SQL

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

instance
parent
subtype
child

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Introduction to Database System
You have run an SQL statement that asked the DBMS to display data in a table named USER_TABLES. The results include columns of data labeled "TableName," "NumberOfColumns" and "PrimaryKey." You are looking at ________ .

metadata
indexes
A report
user data

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Introduction to Database System
One of the reasons why OODBMSs have not been widely used for business information systems is that OOP is obsolete.

True
False

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