Inclusion Of New Types In Relational Data Base Systems (1986)
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@INPROCEEDINGS{Stonebraker86inclusionof,
author = {Michael Stonebraker},
title = {Inclusion Of New Types In Relational Data Base Systems},
booktitle = {},
year = {1986},
pages = {262--269}
}
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Abstract
This paper explores a mechanism to support user-defined data types for columns in a relational data base system. Previous work suggested how to support new operators and new data types. The contribution of this work is to suggest ways to allow query optimization on commands which include new data types and operators and ways to allow access methods to be used for new data types. 1. INTRODUCTION The collection of built-in data types in a data base system (e.g. integer, floating point number, character string) and built-in operators (e.g. +, -, *, /) were motivated by the needs of business data processing applications. However, in many engineering applications this collection of types is not appropriate. For example, in a geographic application a user typically wants points, lines, line groups and polygons as basic data types and operators which include intersection, distance and containment. In scientific application, one requires complex numbers and time series with appropriate operat...
