How can I show data types in a Visio database diagram

Question

How can I display the column types in a Visio database diagram?

Answer 1

See Here:

Display data types in a database model diagram

1. Open the database model diagram.
2. On the Database menu, point to Options, and then click Document.
3. In the Database Document Options dialog box, click the Table tab, and then, under Data Types, click Show physical or Show portable.
4. Click OK.