Consist of a collection of interrelated data -> “Database”
A relation database is a collectiontable(unique name)
Eachtableconsist of a set ofattribute(columns or fields) and stores a
large set oftuples(rows)
Eachtuplein arelationaltable indentified aunique key
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Eachtuplein arelationaltable indentified aunique key
Relation datacan be accessed by dataquerieswritten in arelational query
language, such asSQL