RDBMS stand for Relational Database Management System, it
is Database management system introduces by Edgar Codd in 1970s. RDBMS store
data in group of tables and table is a collection of data which consist of rows
and columns. Table is the simplest form of data storage in a relational
database either it is used in traditional filling system. RDBMS concept
develops a powerful refine database to queried data and how they are relating in
different ways.
According to market research, most superior technology
companies to implement databases percentage are.
Oracle Database - 70%
Microsoft
SQL Server - 68%
MySQL (Oracle Corporation) - 50%
IBM DB2 - 39%
IBM Informix - 18%
SAP Sybase Adaptive Server Enterprise - 15%
SAP Sybase IQ - 14%
Teradata - 11%
Most popular RDBMS these days are MS SQL Server, DB2,
Oracle and MySQL.
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