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Introduction to Database System

Introduction to Database System
Which of the following is a database administrator's function?

backing up the database
database design
performance monitoring
All of the listed here

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Introduction to Database System
A number of related records that are treated as a unit is called

data
batch
file
field

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Introduction to Database System
A database management system might consist of application programs and a software package called

BPL
AUTOFLOW
TOTAL
FORTRAN

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Introduction to Database System
A _____ means that one record in a particular record type can be related to many records in another record type and vice-versa.

Many-to-one relationship
One-to-many relationship
Many-to-many relationship
None of these
One-to-one relationship

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Introduction to Database System
In SQL, which command(s) is(are) used to redefine an index's future storage allocation

DO INDEX
MODIFY INDEX
ALTER INDEX
REDEFINE INDEX
None of these

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

network
tree
chain
relational

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