An Overview

All the necessary study material for b-tech students.

22 November 2013

Knowledge-Based Systems, DSS, OLAP

KBS are the systems based on knowledge base. Knowledge base is the database maintained for knowledge management which provides the means of data collections, organization and retrieval of knowledge. The knowledge management manages the domain where it creates and enables organization for adoption of insights and experiences.  There are two types of knowledge bases.  a. Machine readable knowledge bases: The knowledge base helps the computer to process through. It makes the data in the computer readable code which makes...

EDI over the internet

EDI over the internet EDI traditionally has been used by large organizations that can afford to spend huge amount of money on converters as well as maintaining private point-to-point networks for security and reliability reasons. This was an unthinkable proposition for the small and medium sized enterprises. The advent of Internet has brightened the possibility of doing online transactions by these small and medium enterprises, but with the compromise on security. Ensuring...

OLTP vs. OLAP

We can divide IT systems into transactional (OLTP) and analytical (OLAP). In general we can assume that OLTP systems provide source data to data warehouses, whereas OLAP systems help to analyze it.  - OLTP (On-line Transaction Processing) is characterized by a large number of short on-line transactions (INSERT, UPDATE, DELETE). The main emphasis for OLTP systems is put on very fast query processing, maintaining data integrity in multi-access...

Human Resource Development

Human Resource Development n  A set of systematic and planned activities designed by an organization to provide its members with the necessary skills to meet current and future job demands. Emergence of HRD n  Employee needs extend beyond the training classroom n  Includes coaching, group work, and problem solving n  Need for basic employee development n  Need for structured career development Primary Functions of HRM n  Human resource planning n  Equal employment...