Database Systems: Design, Implementation, & Management
13th Edition
ISBN: 9781337627900
Author: Carlos Coronel, Steven Morris
Publisher: Cengage Learning
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Chapter 1, Problem 9P
Program Plan Intro
Data redundancy:
- Data redundancy is the presence of repeated data in the storage device. It consists of duplicate data that is additional to the actual data.
- In this case, the data related to a folder can be seen in other folders. For example, file related to science folder can be seen in mathematics or social.
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In terms of data and structural independence, compare the file system data management, hierarchical, network and the object-oriented model.
1.13) The implicit goals of the design activity are information preservation and minimum redundancyTrue False 1.14) Update anomalies are known as insertion anomalies, deletion anomalies, and modification anomaliesTrue False 1.15) A well-designed database can handle both OLTP and OLAP operations efficientlyTrue False 1.16) Database engine uses statistics to generate estimated execution plans then picks the best oneTrue False
Describe the characteristics and functions of the data management system, which was developed to solve the shortcomings of conventional file management systems.
Chapter 1 Solutions
Database Systems: Design, Implementation, & Management
Ch. 1 - Prob. 1RQCh. 1 - Prob. 2RQCh. 1 - Prob. 3RQCh. 1 - Prob. 4RQCh. 1 - Prob. 5RQCh. 1 - Prob. 6RQCh. 1 - Prob. 7RQCh. 1 - Prob. 8RQCh. 1 - Prob. 9RQCh. 1 - Prob. 10RQ
Ch. 1 - Prob. 11RQCh. 1 - Prob. 12RQCh. 1 - Prob. 13RQCh. 1 - What are some basic database functions that a...Ch. 1 - Prob. 15RQCh. 1 - Prob. 16RQCh. 1 - Prob. 17RQCh. 1 - Prob. 1PCh. 1 - Prob. 4PCh. 1 - Prob. 5PCh. 1 - Prob. 6PCh. 1 - Prob. 7PCh. 1 - Prob. 8PCh. 1 - Prob. 9PCh. 1 - Prob. 10PCh. 1 - Using your schools student information system,...
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- What would be the conceptual view of the INDEX table described in Question 26? Depict the contents of the conceptual INDEX table.arrow_forward34. The relational model feature is that there a. is no need for primary key data b. is much more data independence than some other database models c. are explicit relationships among records d. are tables with many dimensionsarrow_forwardThe individual has been appointed as a Database Developer and has been presented with the option to employ either a trigger or a procedure in their development tasks. Define triggers and identify the optimal circumstances for their utilization?arrow_forward
- 2. Discuss why control procedures over access to the data resource become more critical under the database approach than in the flat-file environment. What role does database management systems play in facilitating control of database environment?arrow_forwardDiscuss the significance of file system journaling and its interplay with directories in ensuring data consistency.arrow_forward
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