Cardinality Constraints In ER Diagram

Cardinality Constraints In ER Diagram – The ER Diagram can be a excellent tool for data mining. It allows you to display complicated relationships in a straightforward format. The fundamental steps are same regardless of where you’re working. One of the first steps is to determine “what” your system is. A rectangle represents the entity and should be given plenty of…

Constraints In ER Diagram

Constraints In ER Diagram – The ER Diagram can be a great tool in data mining. It allows you to display complex relationships in a simple format. The basic steps are the same wherever you are working. One of the first steps is identifying “what” your system is. A rectangle represents the entity and must be given plenty of room. Then, you…