Essentials of MIS (13th Edition)
13th Edition
ISBN: 9780134802756
Author: Kenneth C. Laudon, Jane Laudon
Publisher: PEARSON
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Expert Solution & Answer
Chapter 6, Problem 2RQ
Explanation of Solution
DBMS (
DBMS is a program or software that is used to control and manage the database. It is a large, complex program or software that is used to manage and administer the stored databases and it is a computer based system to keep records.
Query language such as SQL is used along with DBMS to interact with the database.
Work of a DBMS:
- DBMS is used to Create Database which enables the user to store or contain a large amount of data.
- DBMS is used to manage the data definitions in database dictionary.
- DBMS provides security to the user by having network security such as firewalls which monitors internet traffic and using an Intrusion Detection System (IDS) device that blocks unauthorized access.
- The database can be accessed by more than one user simultaneously...
Explanation of Solution
Difference between logical and physical views of data:
| Logical view | Physical view |
| The logical view of a database program represents data in a format. | The physical view deals with the physical arrangement, actual arrangement and location of data in the direct access storage devices. |
| The logical view presents data as end users would observe them... |
Explanation of Solution
Three operations of a RDBMS:
Three operations are used to develop useful sets of data in the RDBMS. They are:
- Select – it makes a subset containing of all records in the file that meet specified criteria...
Explanation of Solution
Three major capabilities of a DBMS:
Database management system contains many capabilities which give value to an organization way of keeping its data. They are:
- Data definition language
- Data dictionary language
- Data manipulation language
Data definition language:
- It identifies how the content is structured within a database.
- Database tables are created with data definition language and the features of the fields in each table is defined.
Data dictionary language:
- Information of a database table fields can be displayed...
Explanation of Solution
Non-relational database management system:
- A non-relational database gives a
mechanism for storing and recovering of data that is modeled in means other than the tabular relations used in relational databases. - The non-relational databases are gradually used in big data and real time web applications.
Difference between relational DBMS and non-relational DBMS:
Expert Solution & Answer
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Chapter 6 Solutions
Essentials of MIS (13th Edition)
Ch. 6.3 - Identify the problem in this case study. To what...Ch. 6.3 - Prob. 2CQ1Ch. 6.3 - Prob. 4CQ1Ch. 6.5 - Prob. 1CQ2Ch. 6.5 - What people, organization, and technology issues...Ch. 6.5 - Prob. 3CQ2Ch. 6.5 - Prob. 4CQ2Ch. 6 - Prob. 1IQCh. 6 - Prob. 2IQCh. 6 - Prob. 3IQ
Ch. 6 - Prob. 4IQCh. 6 - Prob. 1RQCh. 6 - Prob. 2RQCh. 6 - Prob. 3RQCh. 6 - Prob. 4RQCh. 6 - Prob. 5DQCh. 6 - Prob. 6DQCh. 6 - Prob. 7DQCh. 6 - Prob. 8HMPCh. 6 - Prob. 9HMPCh. 6 - Prob. 11HMPCh. 6 - Prob. 13CSQCh. 6 - Prob. 14CSQCh. 6 - Prob. 15CSQCh. 6 - Prob. 16CSQCh. 6 - Prob. 17MLMCh. 6 - Prob. 18MLM
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