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131Historical Archive of the City of Cologne — Coordinates: 50°55′51″N 6°57′26″E / 50.930833°N 6.957222°E / 50.930833; 6.957222 …
132Relational database — A visual diagram showing the relationship between the two tables, as indicated by the arrow A relational database matches data by using common characteristics found within the data set. The resulting groups of data uses the relational model (a… …
