Administration > Database Management > Access permissions > Database access permissions > Setting up a database so all users can read all models
  
Setting up a database so all users can read all models
1. Start Model Explorer.
2. Right-click the database for which you want to set access permissions, then click Access Permissions....
3. Select the Public Read check box.
Database settings overwrite Model access permissions. If you want to provide read access permissions to only selected Models, clear the Public Read check box, and then for the required Models, grant public read access permissions.
4. Click OK.
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Only Database Administrators can set up Database options in Model Explorer.