[EMAIL PROTECTED] 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   [EMAIL PROTECTED]


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