EBK DATABASE SYSTEMS: DESIGN, IMPLEMENT
12th Edition
ISBN: 8220101450739
Author: Morris
Publisher: YUZU
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Chapter 13, Problem 7RQ
Program Plan Intro
Operational Data:
- Data quality is one of the key features of enterprise data management.
- The data obtained from the
operational system is low quality data because of the following reasons:- Obtaining the data from outside the organization.
- Redundant storage of data and inconsistent metadata.
- Problems while entering data due to poor interfaces, manual mistypes of data.
- The poor quality of the data is not recognized by the organization itself is an issue.
Data warehouse:
- Data warehouse contains the collection of data that are used for decision making and business intelligence.
- It is a unique kind of
database so it focuses on business intelligence, time variant data, and external data. - It is a subject-oriented, integrated, time-variant, and non-updateable data.
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Chapter 13 Solutions
EBK DATABASE SYSTEMS: DESIGN, IMPLEMENT
Ch. 13 - Prob. 1RQCh. 13 - Prob. 2RQCh. 13 - Prob. 3RQCh. 13 - Prob. 4RQCh. 13 - Prob. 5RQCh. 13 - What is a data warehouse, and what are its main...Ch. 13 - Prob. 7RQCh. 13 - Prob. 8RQCh. 13 - Prob. 9RQCh. 13 - Prob. 10RQ
Ch. 13 - Prob. 11RQCh. 13 - Prob. 12RQCh. 13 - Prob. 13RQCh. 13 - Prob. 14RQCh. 13 - Prob. 15RQCh. 13 - Prob. 16RQCh. 13 - Prob. 17RQCh. 13 - Prob. 18RQCh. 13 - Prob. 19RQCh. 13 - Prob. 21RQCh. 13 - Prob. 22RQCh. 13 - Prob. 23RQCh. 13 - Prob. 24RQCh. 13 - Prob. 25RQCh. 13 - What is the SQL command to list the total sales by...Ch. 13 - What is the SQL command to list the total sales by...Ch. 13 - What is the SQL command to list the total sales by...Ch. 13 - What is the SQL command to list the total sales by...Ch. 13 - What is the SQL command to list the number of...Ch. 13 - What is the SQL command to list the number of...Ch. 13 - What is the SQL command to list the number of...Ch. 13 - Using the answer to Problem 10 as your base, what...
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