Computational Geometry

pp 95-120

Orthogonal Range Searching

Querying a Database

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At first sight it seems that databases have little to do with geometry. Nevertheless, many types of questions—from now on called queries—about data in a database can be interpreted geometrically. To this end we transform records in a database into points in a multi-dimensional space, and we transform the queries about the records into queries on this set of points. Let’s demonstrate this with an example.