T

Relational database, flat file, primary key, foreign key, secondary key, entity relationship modelling, normalisation and indexing.

  1. Relational Databases

    • Where an entity is an item of interest about which information is stored, a RD is a database which recognizes the differences between entities by creating a separate table for each one.

    Definition (Attributes): Characteristics of the entity which are categorised when data is collected.