Searching collections of data for hidden patterns.

Data in a database which is needlessly duplicated.

Database which consists of just one table.

Database containing multiple related tables and no redundant data.

Method of extracting data from a database that matches specific criteria

Collection of fields that represent a single entity, such as a person.

Single item of data about a single record in a database.

Screen used to input data into a database.

Process of converting a database from a flat file database to a relational database.

Checks to ensure whether data is in the correct format.

Checking whether data is correct – i.e. is the value entered in a field the actual value?