Database Concepts

Databases and database technology are having a main impact on the growing use of computers. It is fair to say which databases will play a critical role in almost all areas where computers are used, involving business, medicine, engineering, education, law  and library science to name a few. Having recognized all the data in the system it is must to arrive at the logical database design. Database design includes designing the conceptual model of the database.

RDBMS Concepts

RDBMS is a distinct kind of DBMS and present implicit relational connections by values and references. These are only possible just because the data in RDBMS is stored in as tabular structure that grows as a spreadsheet of information in a 2-D direction.Relational Data Base Management System enables a better understanding of the E-R model and the relational algebra. It has specific features and characteristics like as non-procedural constructs by that the developer can program the applications more efficiently incorporating security and validations of data access.