Engineering Information And Data Modeling

Engineering information first focused on the structure of data stored on a system. So tell the us data centered. Data models in engineering is called an entity relationship information.

Engineering information is said to center on the data because of stress on learning and analysis of data requirements prior to the requirements process. It is based on the level of confidence that the data and knowledge is a resource company that should be planned and maintained. As a result, analysts describe the raw data into a model of entity relationships, and then create a data flow diagram that describes the processes that occur. Engineering information modeling is actually trying to synchronize data with the modeling process. The difference lies only in structured analysis modeling process is described first, and data modeling.

Analysis of Structured

First is one of the first formal approach to the analysis of information systems. This analysis focuses on data flow and business processes and software. This analysis is called procces oriented structured analysis simple in concept. Analysts describe the series of processes in the form of data flow diagrams (data flow diagram) that describes the processes that exist or are proposed together with the input, output and file them.