Josh Berkus wrote:
4.16.2 Referenceable tables, subtables, and supertables
       A table BT whose row type is derived from a structured type ST is
       called a typed table. Only a base table or a view can be a typed
       table. A typed table has columns corresponding, in name and
       declared type, to every attribute of ST and one other column REFC
       that is the self-referencing column of BT; let REFCN be the

I really don't quite understand this, but I don't think we have it ;-)
Was the SQL99 Committee smoking crack, or what? What the heck is that *for*?

After re-reading it, I think it is related to (or at least similar to) the work Tom is currently doing to allow composite types as table attributes.


Joe

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