Multiplicity ER Diagram

Multiplicity ER Diagram – The ER Diagram can be a useful tool for data mining. This is because it allows the visualization of complex relationships in a simple format. The basic steps are the identical regardless of the place you’re working. The first step is to determine “what” your system is. A rectangle is the symbol of the entity and…

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…