Archives: Theory

Database Data Types

Database data types are the attributes that specify the type of data that a field can hold. Why bother? It’s important to specify the right data types for your database fields because the computer needs…

Programming Data Types

In programming, data types are the attributes that specify the type of data that an object can hold. We need to declare a data type for variables and arrays. Why bother? It’s important to specify…

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),…

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