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Computer Network

Relational DBMS

by anupmaurya December 11, 2022
written by anupmaurya 0 comment

The word RDBMS is stands as ‘Relational Database Management System.’ It is represented as a table that contains rows and column.

RDBMS is based on the Relational model; it was introduced by E. F. Codd.

Components of a relational database are :

  • Table
  • Record/ Tuple
  • Field/Column name /Attribute
  • Instance
  • Schema
  • Keys

An RDBMS is a tabular DBMS that maintains the security, integrity, accuracy, and consistency of the data.

All modern database management systems like SQL, MS SQL Server, IBM DB2, ORACLE, My-SQL and Microsoft Access are based on RDBMS.

What is Instances and Scheme ?

The collection of information stored in a database at a particular moments is called an instance of database.

The overall logical structure and design of a database is called as database schema .

Types of Schemas

  • Physical Schema
  • Logical Schema
  • Subschema

RDBMS
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Hey there, My name is Anup Maurya. I was born with love with programming and worked with TCS. One of best global (IT) services and consulting company as System Administrator . I also love graphics designing. It's my pleasure to have you here.

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