Create Type

CREATE TYPE yourtype OID '19A57209ECB73F91E03400400B40BBE3'   AS OBJECT (your_id NUMBER);

The CREATE TYPE syntax has an optional OID clause which, in theory allows types on separate instances to be seen as identical, but what can you do with them?

I can't see a use for this.

I create the above type on two different instances. I have a function that returns that type on one instance and I try to call that function over a dblink and fill that "identical" type on a second instance and it fails.

If it can't do that, what is it good for?
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