ssd7-ex5ERModelsTheentitytypes(identifyweakentities).Theattributesineachentitytype(identifyitassingle-valued/multi-valued,derived,simple/composite,etc).Leavetheattributesoutofthediagram.Instead,listeachentityinatextualform,andbeneatheachone,listitsattributes.Therelationshiptypes(iden