IB Digital Society 3.1D Methods for Collecting and Organizing Data Key Definitions

An automatic check that data entered is reasonable and in the correct format, such as rejecting a date of birth in the future or an email address with no @ sign.

A check that data entered actually matches the original, true source, such as typing a password twice or confirming a record against the real document.

Large digital collection of data that serves a specified purpose.

Data collected directly from the source for a specific purpose.

A database that stores data in linked tables of rows and columns, where a shared key lets tables be connected so related information can be looked up across them.

Data that has been collected by someone else and is being used for a different purpose.