> "On a large table, the cursor update will fly, since it uses the
> rdb$db_key"
>
> How about
>
> SELECT COL FROM A_STORED_PROC() INTO :COL AS CURSOR

What should be updated? :-)

Remember, a select-able stored procedure doesn't have to return
data from a table, a single table, or anything else.

> Or
>
> SELECT COL FROM A_VIEW() INTO :COL AS CURSOR
>
> Will this "fly" on a large result set?

I don't know if this is possible on a view. But obviously, you can
try.

Martijn Tonies
Database Workbench - tool for InterBase, Firebird, MySQL, Oracle & MS SQL
Server
Upscene Productions
http://www.upscene.com
My thoughts:
http://blog.upscene.com/martijn/
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