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How to get relationship symbols to show

Posted on 2004-03-30
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Last Modified: 2007-12-19
I am able to use the Relations link on my ERD diagram that I created in Visio and tell it one-to-many, etc., but how can I get the actual one-to-many and other symbols to show on the actual link (arrow) itself?  I hope Microsoft has this ability here but I cannot figure out how to get it to work.
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Question by:dba123
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by:dba123
ID: 10716487
I opened an ERD from another person and it says I don't have the ER source model support installed.  How do I get this installed and what is it?
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by:klingonhero
ID: 10719405
What version of Visio are you using? When you right click on the link, do you get the Crow's foot notation option? Visio is not too great with  ER diagrams. Have you tried to build it in Access? It's ER diagram capabilities are a bit better than visio I think.
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klingonhero earned 500 total points
ID: 10719475
Taken from Visio 2000 Help:

A source model is a Visio file (.vsd) in which you create your database model. Each source model file can contain a portion (or submodel) of the entire database model.

In Visio 2000, you can use the ER Source Model solution or the ORM Source Model solution to create a source model file. To support database modeling in a team environment, Visio products includes the ER Source Model template. Create a new logical model with this solution when:
You want to break a large or complete model into smaller, easier-to-maintain submodels.
Individual team members need to develop and maintain different submodels on their own computers.
You want to design modular submodel documents for use in multiple projects.

When you work in the Database Model Diagram, ER Source Model, or ORM Source Model template, you can import data models in the formats listed below.

After you import an existing model, your Visio product displays all its tables and views in the Tables window.

Visio Professional 5.0
You can import existing Visio® Professional 5.0 diagrams (.vsd files) that were created with the:
Crow's Foot ERD template
ERD template

Visio Enterprise 5.0
You can open Visio® Enterprise 5.0 diagrams (.vsd files) that were created with the
Database Model Diagram template

To open a file, choose File > Open > <file name>.

--------------------------------------------------------------------------------
NOTE When you open a document that was created in the previous version of Visio Enterprise, your Visio product automatically updates the shapes.
--------------------------------------------------------------------------------

VisioModeler (formerly InfoModeler) 1.5, 2.0, 3.0 or later

You can import VisioModeler™ (formerly InfoModeler) 1.5, 2.0, 3.0 or later

Dictionary model (.imd) files with the Database Model Diagram template.
Logical modeling diagram (.iml) files with the ER Source Model template.
Object Role Modeling (.imo) files with the ORM Source Model template.

All the characteristics of the object types, predicates, and constraints in the model are preserved.


 PLATINUM ERwin 2.6, 3.0, and 3.52 (.erx) files
You can import PLATINUM ERwin 2.6, 3.0, and 3.52 (.erx) files. An ERwin .erx file is a file exported by ERwin that contains information about a data model in text form.

When you import an .erx file, the following ERwin features are not imported:

Stored procedures
Custom trigger code
ERwin displays

This help?
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by:dba123
ID: 10719723
great information....thanks!
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by:dba123
ID: 10729146
If I can somehow import the databases into Visio and have it create the ERD on the fly, just by reading certain tables that I want to select from a data source to include in the ERD, that would be great but I dont' see how.
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Expert Comment

by:klingonhero
ID: 10733658
If you click File - New - Database - Database Model Diagram, then choose, Database - Reverse Engineering, you should get some choices. Visio has installed drivers but I think you'll need to setup an ODBC connection to your data source which you can do as part of the reverse eng. process. You could connect to access, oracle, sql, informix, etc...
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