Oracle9iデータベース物理設計方針表領域編-Oracle9i published, the central bank price is set physical design principles Table area series

使用forms builder制作数据库界面，可以实现根据某一个项目的值查询总价-Using forms builder interface, you can achieve the value of a project based on the total price of a project

连接数据库，根据行业指数调整股价波动率的python代码-Connect to the , according to the industry index to adjust the stock price volatility of the Python code