Cardinality and Modality Essay

Cardinality Cardinality demonstrates the greatest number of times an occurrence of one element can be related with cases in the related substance. Cardinality can have the estimations of one or many, no more detail than that. It is possibly at least one than one. On the relationship line, the cardinality is the nearest to the element box. The cardinality image in the chart on the slide is in the red circle. Cardinality is demonstrated at BOTH parts of the bargains line, so there is a left to right cardinality and an option to left cardinality. Methodology Methodology demonstrates the base number of times an example in one substance can be related with an occurrence in the related element. Methodology can have the estimations of zero or one, a few are not permitted. The methodology image is situated close to the cardinality image, within, i.e., NOT close to the element box. A methodology of one is indicated by a straight vertical line and a methodology of zero is meant by a circle. Like cardinality, methodology is shown at the two parts of the bargains.