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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Question
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
Database Systems: Design, Implementation, & Management
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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Similar questions
- Imagine that you are discussing the concept of a data warehouse with a group of prospective clients. What is the best approach to convey the benefits to them? Which of the following best defines multidimensional data analysis for them?arrow_forwardExplore the concept of data warehousing. What is the purpose of a data warehouse, and how does it differ from a traditional database? Provide an example of a scenario where a data warehouse is beneficial.arrow_forwardExplore the concept of data lakes vs. data warehouses, focusing on their architectural differences and when each is more suitable for specific data management needs.arrow_forward
- Directions: Read the article and answer the question that was given below. To address the database and data warehouse management issues faced by PLDT, here are some suggestions: Establish a Unified Data Platform: PLDT should aim to integrate its various database and data warehousing systems into a unified platform. This can facilitate seamless data sharing between business units and improve decision-making, customer service, and operational efficiency. It may involve implementing a centralized data warehouse or data lake that serves as a single source of truth for the organization. Implement Data Quality Controls: PLDT should prioritize data quality by implementing robust data validation and cleansing processes. This involves identifying and rectifying data entry errors, ensuring consistent data formats, and regularly updating outdated data. Enhance Data Security Measures: PLDT should strengthen its data security measures to protect sensitive data. This includes implementing…arrow_forwardDescribe the process of data warehouse design and its relationship to normalization. How does data warehousing differ from traditional database design, and what are the considerations for designing a data warehouse schema?arrow_forwardCan someone help me explain how ETL strategy is used when Implementing data from a Source Database to a Data Warehouse? Probably better with a process flow and diagram. Thank you.arrow_forward
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