The syllabus says that you should be able to:
- identify different data types:
- logical / Boolean
- alphanumeric / text
- numeric (real and integer)
- date
- select appropriate data types for a given set of data: logical/Boolean, alphanumeric/text, numeric and date;
- describe what is meant by the terms
- file
- record
- field
- key field
- describe different database structures such as
- flat files
- relational tables
- relationships
- primary keys
- foreign keys;
- state the difference between analogue data and digital data;
- explain the need for conversion between analogue and digital data.