Question:What do you mean by data processing?
The term data processing embraces the technique of sorting, relating, interpreting and computing items of data in order to provide meaningful and useful information.
Question:List some database applications.
Some of the popular database management systems are: Oracle, Sybase, MS Access, MS SQL Server, Paradox, DB/2, Dbase, FoxPro, MySql
Question:What is MS-Access?
MS-Access is a RDBMS (Relational Database Management System) application developed by Microsoft Inc. that runs on Windows operating System.
Question:What is relational database?
A database with tables related to each other on a common field to facilitate the data retrieval from multiple tables is known as relational database.
Question:What is primary key?
A primary key is a rule which ensures that unique data is entered for the field and the field is not left blank. This is the field that would indentify a record uniquely in table