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Database Systems: Design, Implemen...

12th Edition
Carlos Coronel + 1 other
Publisher: Cengage Learning
ISBN: 9781305627482

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BuyFindarrow_forward

Database Systems: Design, Implemen...

12th Edition
Carlos Coronel + 1 other
Publisher: Cengage Learning
ISBN: 9781305627482
Chapter 16, Problem 1RQ
Textbook Problem
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Explain the difference between data and information. Give some examples of raw data and information.

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 16 Solutions

Database Systems: Design, Implementation, & Management
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Ch. 16 - Describe the DBAs responsibilities.Ch. 16 - How can the DBA function be placed within the...Ch. 16 - Why and how are new technological advances in...Ch. 16 - Explain the DBA departments internal organization...Ch. 16 - Explain and contrast differences and similarities...Ch. 16 - Explain how the DBA plays an arbitration role...Ch. 16 - Describe and characterize the skills desired for a...Ch. 16 - What are the DBAs managerial roles? Describe the...Ch. 16 - What DBA activities support end users?Ch. 16 - Explain the DBAs managerial role in the definition...Ch. 16 - Protecting data security, privacy, and integrity...Ch. 16 - Discuss the importance and characteristics of...Ch. 16 - Assume that your company has assigned you the...Ch. 16 - Describe the activities that are typically...Ch. 16 - Why are testing and evaluation of the database and...Ch. 16 - Identify some bottlenecks in DBMS performance, and...Ch. 16 - What are typical activities in the maintenance of...Ch. 16 - How do you normally define security? How is your...Ch. 16 - What are the levels of data confidentiality?Ch. 16 - What are security vulnerabilities? What is a...Ch. 16 - Define the concept of a data dictionary, and...Ch. 16 - Using SQL statements, give some examples of how...Ch. 16 - What characteristics do a CASE tool and a DBMS...Ch. 16 - Briefly explain the concepts of information...Ch. 16 - Identify and explain some critical success factors...Ch. 16 - How have cloud-based data services affected the...Ch. 16 - What tool is used in Oracle to create users?Ch. 16 - In Oracle, what is a tablespace?Ch. 16 - In Oracle, what is a database role?Ch. 16 - In Oracle, what is a datafile? How does it differ...Ch. 16 - In Oracle, what is a database profile?

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