Draw a data flow diagram (DFD) for the development of the admission and registration system, bearing in mind that the users of the system, the processes and the stored data are as follows: system users processes saved data students - Deletion and addition - withdrawal from the course - apology for the semester - student schedule - withdrawal requests - apology requests faculty members -recording attendance and absence - monitoring grades, - attendance and absence detection - Transcript for class department heads approving requests   Deanship of Admission and Registration implementing requests   Draw a data flow diagram starting from the zero level to the second level. Please add the detailed processes and data saved by level

The concept of data flow diagrams may be broken down into two distinct types, each of which has a distinct set of benefits and drawbacks. What makes MetaData such an essential component of a data warehouse?

Create information-gathering data modeling approaches.Design data modeling strategies that capture information needs.