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oaioai:doaj.org/article:4e4e3e9889bd482597c01e62016f4295

Fuzzy improvement of the SQL

Authors
Publication date
1 January 2011
Publisher
'National Library of Serbia'
Doi

    Abstract

    Structured Query Language (SQL) is used to obtain data from relational databases. Fuzzy improvement of SQL queries has advantages in cases when the user cannot unambiguously define selection criteria or when the user wants to examine data that almost meet the given criteria. In this paper we examine a realization of the fuzzy querying concept. For this purposes the fuzzy generalized logical condition for the WHERE part of the SQL is created. It allows users to create queries by linguistic terms. The proposed model is an extension of the SQL so that no modification inside databases has to be undertaken

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