Erwin model import into ODI

Question

Hi,
Hs anyone out there done an import of Erwin Models into ODI. I am trying to achieve this succesfully, but though the model gets imported with the columns , heirachy and constraints, the "Diagrams" leaf does not display an ERD as expected.
My steps are as follows:
1) In Erwin create a model (PRODUCT MODEL) containing 2 objects - PRODUCT and PRODUCT_TYPE with a one to many relationship between them. i.e. a product can belong to only ONE product type.
2) Export model to External Format with the following parameters:
Source parameters
==============
parameter Value
Import UDPs As metadata, migrate default values
Import relationship name From relationship name
Import IDs True
Import subject areas Imported as packages and diagrams
Destination parameters
==============
parameter Value
Directory c:\users\olu\erwin testing
ID Suffix 991
XML files get created in desitnation directory.
LSC_UNAMEDSCHEMA.xml
MOD_UNAMEDSCHEMA.xml
In ODI Designer, import model with the following parameters:
Import Type - Duplication
File import directory - c:\users\olu\erwin testing
File to import - UnanamedSchema
Model imports succesfully, but there are no diagrams. Is that the default behaviour?
Thanks,
Olu

Answer 1

I would not personally use diagrams within ODI, they are incredibly slow to work with. When I have used Erwin to create the model, I have just incremented the version of the filename, so got round the versioning issue that way.
One thing that may sway you is that ODI is additive only. I.e. if you remove a column or a FK from your model, when reversing this back into ODI, that column/FK will still remain in the ODI model (remember this is metadata, so logical, not physical) so will still need to physically move it from the ODI interface mappings/model. So using your concept of checking out the diagrams, amending them and then reversing them back into ODI will not be 100% accurate.
The new version of Oracle SQL developer does have a modelling tool. And this also has versioning
Hope this helps
Bos