In the last session , we have seen a brief about relational database model and a table structure. Let us see the database maintenance language called SQL in this chapter. SQL is English like data base query language initially developed by Donald D Chamberlin and Raymond Boyce to manipulate data in IBM’s database called System R. Foreseeing the scope of …

In my last article we were discussing about a few points related to the origin of the computer era. In this lesson, we will talk about database management systems, query language and the procedure based programming. Any application software picks data from its database. A database can be defined as a collection of processed data arranged in two-dimensional tables ( …

We are living at the edge of Technologies. We cannot even imagine the life without computers, softwares and internet in the present life. From students through the formally illiterate individuals till the cutting edge technologists has the use of computers in their daily life in one way or the other.  So technology is a must for every individual and the …