database is an organized collection of data. When you take any web sites or any pages you can't go further without database. The importance of the database is very high in every web site.


A relational database is a combination of schema,tables,queries,reports,views and other elements.All of are familiar with this terms in MS Access.


DBMS- Data Base Management System is a computer software application that interact with end users,other applications and the database itself to capture and analyze data. Most of the IT related people study about DBMS.


There are many types of DBMS ;



  • RDBMS-
  • RDBMS Tier1
  • NoSQL DBMS
  • IMDBMS
  • CDBMS
  • Cloud-based data management System



Advantages of DBMS

  • Data Security
  • Robust Data integrity capabilities
  • Logging and Auditing of Activity
  • Uniform Administration procedures for data



There are many models to represent databases.The ER model is very popular... I would like to share some begineer short points for the Database and content.