Name the techniques used in behavioural model

In conventional approach of modeling, analyst collects great deal of comparatively unstructured data through data gathering tools and organize data through system flow charts that support future development of system and simplify communication with user. Though flow chart technique develops physical instead of logical system.

In structured approach of modeling standard techniques of E-R diagram, DFD etc. are used to develop system specification in a formal format. It creates a system logical model.