Design of a RDBMS-Based Workflow Engine

Workflow technology is used more and more in the developments of enterprise applications.It is widely introduced into OA first,but now it is adopted by many critical business applications.According to the definition of WfMC,workflow engine is the key component of a workflow management system.The author describes a database model of a workflow engine in this article,and implement it in COM+.The implemention of this model was used in some project management system by the author and got a good effect.