Database, Persistent store of organised data, Flat-file database, Data stored in one table, Relational database, Data stored in multiple tables, linked with relationships, Table, Collection of related data, made up of records and fields, Record, All data about one item, Field, Single piece of data, Primary key, Field that provides unique identifier for each record in a table, Foreign key, Links tables together, Data redundancy, Unnecessary data repetition, Data inconsistency, Errors resulting from redundant data.

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