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Introduction to Database System

Introduction to Database System
Entity instances are associated by relationship classes.

True
False

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Introduction to Database System
An application where only one user accesses the database at a given time is an example of a(n) ________ .

e-commerce database application
single-user database application
data mining database application
multiuser database application

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Introduction to Database System
Which of the following refers to an entity in which the identifier of one entity includes the identifier of another entity?

ID-independent entity
Strong entity
Weak entity
ID-dependent entity

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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 ________ .

A report
metadata
user data
indexes

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Introduction to Database System
Any table that meets the definition of a relation is said to be in first normal form.

True
False

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Introduction to Database System
Which of the following is not the responsibility of the utilities component of DBMS software?

removing flagged records for deletion
None of these
creating and maintaining the data dictionary
creating the physical and logical designs
monitoring performance

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