
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:

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Chapter 6 Solutions
Essentials of MIS (13th Edition)
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- using r languagearrow_forwardThe assignment here is to write an app using a database named CIT321 with a collection named students; we will provide a CSV file of the data. You need to use Vue.js to display 2 pages. You should know that this assignment is similar, all too similar in fact, to the cars4sale2 example in the lecture notes for Vue.js 2. You should study that program first. If you figure out cars4sale2, then program 6 will be extremely straightforward. It is not my intent do drop a ton of new material here in the last few days of class. The database contains 51 documents. The first rows of the CSV file look like this: sid last_name 1 Astaire first_name Humphrey CIT major hrs_attempted gpa_points 10 34 2 Bacall Katharine EET 40 128 3 Bergman Bette EET 42 97 4 Bogart Cary CIT 11 33 5 Brando James WEB 59 183 6 Cagney Marlon CIT 13 40 GPA is calculated as gpa_points divided by hrs_attempted. GPA points would have been arrived at by adding 4 points for each credit hour of A, 3 points for each credit hour of…arrow_forwardI need help to solve the following case, thank youarrow_forward
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