Archives: Theory

Variables and Constants

During the running of a computer program, there will be times when the program needs to remember/store a value so it can be read and used later on. In order to store a value, the program needs to establish…

Database Field

A database field is the smallest unit of storage in a database. Fields are needed for every different piece of information you wish to store.  Database fields are often thought of as the columns within…

What is a database?

What is a database?  A database is information stored in a structured/organised way so it can be easily accessed, searched, managed and updated. A database is created and maintained using a Database Management System (DBMS),…