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Introduction to Database System

Introduction to Database System
An entity class is a collection of entities and is described by the structure of the entities in that class.

False
True

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Introduction to Database System
The XML family of standards is very important in database processing today.

True
False

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Introduction to Database System
An identifier typically uses more than one attribute.

False
True

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Introduction to Database System
The purpose of a database is to help people stop using spreadsheets.

False
True

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Introduction to Database System
The logical data structure with a one-to-many relationship is a

tree
network
chain
relational

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Introduction to Database System
If you want to group the records in the abc database, you could use the Jobcode as the _____.

Delete
Sort Key
Index
Update

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