关键字：数据筛选；面向对象；数据建模；PL/SQL
Implement the Object Oriented thinking in the project to data modeling
——the design about the API to filter data
Abstract
《The WISE system》 is a powerful system for data processing .It is applied in a company which needs to use this system to process huge amount data. And these data will be increased by millions or hundreds millions. So it needs to process the huge amount data .One of its important function is return the right data to client filtered by some complex and flexible conditions. The most content of the paper talks about how to finish the total design for the requirement which is the conditions to filter data can be complex and flexible. The entire design will include the design of project to solve problem, the design about data modeling, and the design about PL/SQL program. Finally the all designs to implement the interface for filtering the data are finished .We will try implementing the object oriented thinking to design on the base of the relational database in the process to finish all the design. Especially in the process to implement data modeling, we will implement some important object oriented thinking by some relations among traditional data models, such as PK or FK relationship.
Key words: data filtration；object oriented；data modeling；PL/SQL
