Databases

To store archived data

To stored organised data

To analyse data

It is a very compatible way of storing data

All the data is in the same place

All the data is stored in separate tables that are linked together

Analysing large amounts of data to predict future events and trends

A description of any data that is freely available

A description of data that is shared

Open data is data that only certain people have access to

Open data is data that is freely available and shared

Open data is data that is very secure

An attribute is a table in a database and an entity is a field

An attribute is a record in a database and an entity is a table

An attribute is a field in a database and an entity is a table

To make each record in a database unique

To make each field in a database unique

To make each query in a database unique

Validation checks that the data you have entered matches the data you were given to enter. Verification checks that all the rules applied to that data are met

Validation checks that the correct type of data is entered, whereas verification checks that the data is actually the data you want

Verification checks that the correct type of data is entered, whereas validation checks that the data is actually the data you want

Data integrity is how effective the interface of the database is

Data integrity relates to how large the database is

Data integrity relates to how accurate and consistent data is

Length check, type check, range check, presence check

Length check, type check, sound check, data check

Length check, size check, range check, data check

A way of classifying data values that have common properties

A way of identifying if data is unique or not

A way of carrying out verification on data