Relation to E-R diagram?

Question

Any tools that can convert the relational model to E-R diagram?

The example of relational model (not completed) is given below:

model TheOrganisation
domains
PeopleNames = string
DepartmentNames = string
AgencyNames = string
Addresses = string
AgentNumbers = 000 .. 100
Jurisdictions = (regional, national, international)
Descriptions = string
relation Agency
Name : AgencyNames
Address : Addresses
Responsibility : Jurisdictions
primary key Name
relation Department....

Answer 1

Microsoft Visio is a great tool for constructing ER diagrams.

Answer 2

Hmmm . . . usually you go from the diagram to the relational model, not the other way. At least that's how we're doing it at our school. How big can the relational model possibly be, that you can't figure out how to get the entities and relationships from it? Good luck!