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Introduction to Database System

Introduction to Database System
Enterprise Resource Planning (ERP) is an example of a single user database.

True
False

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Introduction to Database System
Which type of entity represents a logical generalization whose actual occurrence is represented by a second, associated entity?

Subtype entity
Archetype entity
Instance entity
Supertype entity

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Introduction to Database System
A list consists of last names, first names, addresses, and pin codes if all people in the list have the same last and the same pin code, a useful key would be

All of these
None of these
the pin code
the last name
a compound key consisting of the first name and the last name

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Introduction to Database System
The following are functions of a DBMS except ________ .

creating and processing forms
administrating databases
processing data
creating databases

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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
user data
A report

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Introduction to Database System
Which of the following indicates the maximum number of entities that can be involved in a relationship?

Minimum cardinality
Maximum cardinality
Greater Entity Count (GEC)
ERD

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