Attribute, A single item of data which represents a fact about an entity., Data Mining, Interrogating the data to find patterns in the data which is stored in the warehouse, Data normalisation, A staged (mathematical) process which removes repeated groups of data and inconsistencies., Data Warehouse, A large collection of archived data used for decision making, Entity, An object of the real world that is relevant to an ICT system e.g. aplace, object, person, customer, product, etc., Foreign Key, a field of one table which is also a the primary key of another table, Primary Key, a field that is used to uniquely define a particular record in a table, Relational database, A large collection of data items and links between them structured in a way that allows it to be accessed by a number of different applications programs., Relationship, The way in which entities/tables in a system are related / connected/ linked to each other.

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