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Introduction to Database System

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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Introduction to Database System
A candidate key is a determinant that determines all the other columns is a relation.

False
True

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Introduction to Database System
Properties that describe the characteristics of entities are called:

entities.
identifiers.
attributes.
relationships.

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Introduction to Database System
Entities of a given type are grouped into a(n):

entity class.
attribute.
ER
database.

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Introduction to Database System
A ternary relationship is so called because in contains two entities and one association between them.

False
True

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Introduction to Database System
The DBMS acts as an interface between what two components of an enterprise-class database system?

Database application and the database
Database application and SQL
Data and the database
The user and the database application

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