发明授权
- 专利标题： Multiple-stage evaluation of user-defined predicates
- 专利标题（中）： 用户定义谓词的多阶段评估
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申请号： US09112301申请日： 1998-07-09
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公开(公告)号： US06192358B1公开(公告)日： 2001-02-20
- 发明人: Gene Y. C. Fuh , Michelle Mei-Chiou Jou , Hsin Pan , Yun Wang
- 申请人： Gene Y. C. Fuh , Michelle Mei-Chiou Jou , Hsin Pan , Yun Wang
- 主分类号： G06F1730
- IPC分类号： G06F1730
摘要：
A method, apparatus, and article of manufacture for a computer-implemented multiple-stage evaluation of a user-defined predicate. A statement is executed in a database stored on a data storage device connected to a computer. The statement is received containing a user-defined predicate with a user-defined function. Then, multiple-stage evaluation of the user-defined predicate is performed.
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