What is data base? Explain the different types of data base?
Answers
Answer:
A data base is an organized collection of data which enables the users to easily access, manage and update the data.
Following are types of data base
-Centralized database.
-Distributed database.
-Personal database.
-End-user database.
-Commercial database.
-Operational database.
-Relational database.
-Cloud database.
-Object-oriented database.
-Graph database.
Explanation:
DATA BASES
The data stored on a computer system is called a computer database. These data are collected by following a particular method. On the basis of these data, a query curiosity can be quickly resolved. A special computer language is used to ask questions. The data obtained as a solution to curiosity helps in making the right decisions.
Computer programs that are used to collect data on a computer, add their management data, modify, modify, etc. and ask data based queries are called Database Management System DBMS.
An example of query:
- On the database of employees of an organization, it can be inquired which employees are below 30 years of age and whose income is more than Rs 3 lakhs yearly.
- The most important concept of a database is that a database is a collection of records.