Basics

Basic introductory questions in database systems
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Questions #: 13
Time: 5 minutes
Pass Score: 80.0%
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A database has the following implicit properties

POINTS (1)

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Explanation

Reflecting changes in business applications in database systems ensures they are a true reflection of the miniworld they represent

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A database can only be big and complex

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Which category of the following can be stored and managed in a database

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The DBMS is

(1)________ that facilitates the processes of (2)______, (3)_______, (4)________, and
(5)________ databases among various users and applications

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manipulating
defining
a general-purpose software system
constructing
sharing
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Explanation

Data specification in the database includes

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Explanation

The database definition or descriptive information is also stored by the DBMS in the form of a database catalog or dictionary; it is called meta-_________

Missing
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__________ the database is the process of storing the data on some storage medium that is controlled by the DBMS

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Manipulating a database includes functions such as (1)_______ the database to retrieve specific data, (2)_______ the database to reflect changes in the miniworld, and (3)_______ reports from the data

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updating
querying
generating
POINTS (1)

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Explanation

Sharing a database allows multiple users and programs to access the database

POINTS (1)

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Explanation

An application program accesses the database by sending queries or transactions for data to the DBMS

  1. A _______ typically causes some data to be retrieved
  2. A _______ may cause some data to be read and some data to be written into the database
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transaction
query
POINTS (1)

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Explanation

A DBMS system does not need to provide protection and maintenance functions over a long period of time as it may be the responsibility of the storage or hardware boxes

POINTS (1)

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It is absolutely necessary to use general-purpose DBMS software to implement a computerized database

POINTS (1)

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Explanation

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