1.1 Critical Comparison betweenDifferent Data Models and Schemas Hierarchical Model:The hierarchical information figure organizes records in a tree structure. There is a hierarchy regarding father or mother and baby data parts. This structure suggests up to expectation a report perform the bear iterating information, typically within the child information parts. This wholly gathers the situations on a particular file together as much a file type. File types are the equivalent concerning tables between the R models, or together with the individual files being the equal concerning rows.