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Authors:
Elmasri Navathe
Chapter:
And Database Users
Exercise:
Review Questions
Question:2 | ISBN:9780133970777 | Edition: 7

Question

What four main types of actions involve databases? Briefly discuss each.

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Answer

The DBMS is a software system that explains the four types of actions, which are defining, constructing, manipulating, and sharing databases among various users and applications.

  1. Defining a database: It includes the data types, structures, and constraints of the data have to store in the database. The database descriptive information is also stored by the DBMS in the form of a database catalog or dictionary; it is called meta-data.
  2. Constructing the database: It is the process of data storing on some storage medium that is maintained by the DBMS.
  3. Manipulating a database: It includes functions such as retrieve the database by using query, updating the database to reflect changes in the system, and generate reports from the data.
  4. Sharing a database: It allows multiple users and programs to access the database simultaneously.
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