Database Systems: Design, Implemen...

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



Database Systems: Design, Implemen...

12th Edition
Carlos Coronel + 1 other
Publisher: Cengage Learning
ISBN: 9781305627482
Chapter 16, Problem 31RQ
Textbook Problem

Define the concept of a data dictionary, and discuss the different types of data dictionaries. If you managed an organization’s entire data set, what characteristics would you want for the data dictionary?

Explanation of Solution

Data dictionary:

The concept of the data dictionary is referred as the components of database management system (DBMS) store the data features and associations. It also refers the data about data.

  • It offers the DBMS with features of self-describing.
  • It resembles x-ray of company’s complete data set and it is vital component in data administration.

Different types of data dictionary:

There are two main types of data dictionaries. They are,

  • Integrated data dictionary.
  • Standalone data dictionary...

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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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