Descriptor without a table

Hello All,
We are working on a project where we are analysing the pros and cons of using SQL Named Queries Vs Named Queries defined in Java.
Can we define a Toplink Descriptor without a table definition (None of the fields are mapped). I was able to generate Deployment XML file, but the application failed at runtime saying "Descriptor must have a table name defined"
Also, if ever that was possible, what are the implications of not mapping the the object to a table and just having Named SQL queries directly load into the Java objects.
How do the update, insert and delete work in this scenario?
Has anyone tried Custom SQLs/ SQL Named Queries?
Thanks,
Neeraj

You need to map a class to a table. But, it doesn't have to be a "real" table. You can just fake one in the Mapping Workbench, and then if all your SQL overrides don't actually use that Table, no problems. We need to map to a table - if anything - to have a place to store column names that can be used to map the results of the SQL to the attributes in the class. I see this kind of thing when people want to map classes to stored procs. They fake a table in the MW, map the class to it, and then in all the CRUD overrides they put their stored proc calls and the results from the stored procs need to have "column" names that match those in the fake table.
- Don

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Hi Shiva,
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