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What is data, information, database, dbms, rdbms

Subject:

What is data, information, database, dbms, rdbms.

Summary:

In the tutorial you will know:

  1. What is the meaning of data?
  2. Definition of information and its importance.
  3. Database concepts with example.
  4. Elaboration of DBMS and RDBMS and the difference between them.
  5. List of most popular RDBMS.

Required Documents:

  1. Necessary basic definitions

Definitions:

Data is an instance or a single unit of information.

Information is a collection of related data.

Name Address Phone
Kamal Chowdhury Mymensingh 017124526263
Bikas Khandoker Dhaka 01971415263

Database is a collection of related information. It contains all personal, business related records. Then this records can be used in future. This database can be used also to take crucial decision in critical situation.

The elaboration of DBMS is database management system. It is a special type of software used to create, change, modify database. And every data management related function is performed also with this software.

The elaboration of RDBMS is relational database management system. Some important and mostly used RDBMS are as follows:

  • Oracle (12c,11g,10g,9i,8i,8)
  • Mysql
  • MS SQL Server (2008,2005,2000)
  • MS Access (2013,2010,2007,2003,2000,XP)
  • DB2
  • Informix
  • Sybase
  • Javadb

 

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