Robert.Farrugia@go.com.mt writes:
> Is it possible to create one sequence to be used for more than one table ?
Yes.
> Let's say I create a pkey_seq sequence.
> Can I use it in table A (pkey default nextval('pkey_seq') PRIMARY KEY) and
> in table B as (pkey default nextval('pkey_seq') PRIMARY KEY) ?
Just like that.
> Is it safe in that each table will have unique values i.e. if I have a
> third table C which is used to link data both from A and B using the pkey
> field, will there be records having the same pkey but from different
> tables?
The sequence-generated numbers will be unique across A and B. But I doubt
that that system is a good design.
--
Peter Eisentraut peter_e@gmx.net