Cardinality and Modality Essay

Cardinality Cardinality shows the greatest number of times an occurrence of one substance can be related with occasions in the related element. Cardinality can have the estimations of one or many, no more detail than that. It is it is possible that at least one than one. On the relationship line, the cardinality is the nearest to the substance box. The cardinality image in the chart on the slide is in the red circle. Cardinality is shown 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 a case in one substance can be related with an occasion 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 substance box. A methodology of one is signified by a straight vertical line and a methodology of zero is indicated by a circle. Like cardinality, methodology is shown at the two parts of the bargains.