Re: Adding fields on the fly

Gail Zacharias writes:

> Is this even possible? Is ALTER TABLE supported?

Yes. (RTFM)

> If so, what performance characteristics can I expect?  Compared to, say,
> inserting a record, can I expect this to be 10 times slower? 1000 times
> slower? What does the performance depend on?  Number of rows? Number of
> columns? Number of tables? anything else?

Adding a column runs in constant time.

-- 
Peter Eisentraut   peter_e@gmx.net