通过SQL语句来实现工厂的流程，使工厂运行效率达到最大值，需要对其进行分析需求，逻辑设计，物理设计，安全性分析，权限设置等操作-Through the SQL statement to realize the factory process, make the plant operating efficiency reaches the maximum value, needs to carry on the demand analysis, the logical design, physic