View Design Er Diagram To Relational Schema Example Example Download Zip PNG. Now i am asked to make an er diagram of this database. Er model v relational model v logical design:
Mapping of weak create the relations employee, department, and project in the relational schema.
Download scientific diagram | relational schema for the running example from publication: We cannot import all the er there are several processes and algorithms available to convert er diagrams into relational schema. 1:1 relation manages is mapped by choosing the participating entity. This is ideal in situations where the cost of storing in this example, you would have two attributes of relational schema data.