The User-Defined Multi-Functional Join Query Optimization in Constraint Databases
Hong Yu Xiao · Chinese Journal of Computers · 2000
The query optimization has all the while been a hotspot in the realm of database,while the problem of query optimization revolving user defined functions has never been efficiently solved.Especially when the function is the condition for joins.In this article, authors make deep research in the problem, and present a plan for the optimization.