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Introduction to Database System

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

Sort Key
Update
Index
Delete

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Introduction to Database System
Data items grouped together for storage purposes are called a

title
record
string
list
None of these

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Introduction to Database System
A subtype entity is a special case of another entity called a supertype entity.

False
True

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

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

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Introduction to Database System
In the DBM approach, application programs perform the

access control
storage function
all of the listed here
processing functions

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