Database Systems: Design, Implementation, & Management
Database Systems: Design, Implementation, & Management
11th Edition
ISBN: 9781285196145
Author: Steven, Steven Morris, Carlos Coronel, Carlos, Coronel, Carlos; Morris, Carlos Coronel and Steven Morris, Carlos Coronel; Steven Morris, Steven Morris; Carlos Coronel
Publisher: Cengage Learning
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Chapter 15, Problem 1RQ

Explanation of Solution

Difference between Data and Information:

Data Information
Data is a raw material to an end user. Information is product to user.
It is used as input for system. It is used as the output of data.
It is an unprocessed fact which does not based on information. It is processed data which always based on data.
It does not transmit any meaning because it is single unit. It transmits the logical meaning because it is a group of data.

For example:

  • Each student score is considered as the data.
  • Reading the temperature history across the world for past 10 years is considered as data.

For example:

  • The average score of complete school or class is considered as information.
  • Data of temperature history is analyzed to identify the rise of global temperature is considered as information.

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Chapter 15 Solutions

Database Systems: Design, Implementation, & Management

Ch. 15 - Prob. 1RQCh. 15 - Prob. 2RQCh. 15 - Prob. 3RQCh. 15 - Prob. 4RQCh. 15 - Suppose that you are a DBA. What data dimensions...Ch. 15 - How and why did database management systems become...Ch. 15 - Using a single sentence, explain the role of...Ch. 15 - Prob. 8RQCh. 15 - Prob. 9RQCh. 15 - Prob. 10RQ
Ch. 15 - Prob. 11RQCh. 15 - Prob. 12RQCh. 15 - Prob. 13RQCh. 15 - Prob. 14RQCh. 15 - Prob. 15RQCh. 15 - Prob. 16RQCh. 15 - Prob. 17RQCh. 15 - Prob. 18RQCh. 15 - What DBA activities support end users?Ch. 15 - Prob. 20RQCh. 15 - Prob. 21RQCh. 15 - Prob. 22RQCh. 15 - Prob. 23RQCh. 15 - Prob. 24RQCh. 15 - Prob. 25RQCh. 15 - Prob. 26RQCh. 15 - Prob. 27RQCh. 15 - Prob. 28RQCh. 15 - Prob. 29RQCh. 15 - Prob. 30RQCh. 15 - Define the concept of a data dictionary, and...Ch. 15 - Using SQL statements, give some examples of how...Ch. 15 - Prob. 33RQCh. 15 - Prob. 34RQCh. 15 - Prob. 35RQCh. 15 - What tool is used in Oracle to create users?Ch. 15 - Prob. 37RQCh. 15 - Prob. 38RQCh. 15 - Prob. 39RQCh. 15 - Prob. 40RQCh. 15 - Prob. 41RQ
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