> 1. Where does one specify the attribute data type & prescision targeted to
> the Oracle database(e.g. Number(15,2), Varchar2(50) etc)- in the class
> diagram or the data model diagram?
If you specify type on class they will get map to DB type when
you transform to data model. Mapping depends upon language of class and
DB. see online help, Transforming an Object Model to Data Model - DM,
At the bottom of this page are links to the mapping for various
Databases. Also you can override this mapping using Domains (feature
in 2001, not 2000e).
> 2. Are there any guidelines describing how much information should be
> entered in the class diagram as opposed to the data model diagram?
Best place to start for this is again online help.
Working with Object Models - DM
> 3.Is it recommended to import Oracle8 scalar data types and use them in the
> class diagram itself?
If using the Data Modeler addin you will not want to use the Oracle8
Scalar types. These are for the oracle8 addin. The difference between
these two addins are whether you are using the object oriented features
of o8 or not (nested tables, custom types, object tables, etc.). If
using OO you need to use the o8 addin. Otherwise for strickly relational
constructs, use the DM addin.
> 4. I tried to define a global domain package containing oracle domains to
> use in the class diagram but could not find any documentation on how exactly
> to do them
Documentation is online:
Domains - DM
Create a Domain Package
Create a Domain
Working with Domains
Building a Data Model
If something is unclear in here, what?
Patrick Kennedy
Rational Support
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