The Research of Query Technique Based on the Fuzzy Theory
Zhu Rong · Jisuanji yingyong yanjiu · 2003
In the realism living,the objects of query involve a great deal of fuzzy data besides accurate data. The traditional query is unable to satisfy the need. In this paper fuzzy theory and database system are combined, new data query technique is provided. The format of the fuzzy query command is set up;many fuzzy query sentences are constructed and applied in an instance.It is confirmed by the instance's running results that the query's effect is definite.A calculates formula for nature language is set up,which is closer to the meanings of the nature language. A theoretical frame is built for query in the fuzzy database.