Tag: SS2 1st Term Data processing

Entity-Relationship is a graphical representation of entities and their relationships to each other. Entity relationship diagrams (ERDs) illustrate the logical […]

A database management system is a collection of computer software that enables users to define, create and maintain a database. […]

Significance of Data Model Data model is a great communication tool because it facilitates interaction and communication between the designers, […]

Creating Forms Forms allows you to enter, edit or display data. They are based on tables. With forms, you can […]

Database packages are used to design a database in a computer. Example of a common database package is Microsoft Access. […]

TYPES OF DATA MODELLING Flat Model: The flat Model (or Table) model consists of a single, two-dimensional array of data […]

Definition of Data Model Concept of Data Modelling INTRODUCTION TO DATA MODELLING The main effort during the system development life […]

History of computing Abacus – Napier’s Bones – Slide Rule – Schickard’s Calculating Clock – Pascal’s calculator – Leibnitz Multiplier […]