Re: [SQL] Sequences...
От | Peter T Mount |
---|---|
Тема | Re: [SQL] Sequences... |
Дата | |
Msg-id | Pine.LNX.3.96.980729102810.6410B-100000@maidast.retep.org.uk обсуждение исходный текст |
Ответ на | Sequences... (James Olin Oden <joden@lee.k12.nc.us>) |
Список | pgsql-sql |
On Mon, 27 Jul 1998, James Olin Oden wrote: > > I had a asked this question earlier and did not get a response, so here > it is again. > > When implementing an "autoincrementing" field in several tables, is > common practice to create sequence for each table, or is it OK to use > just one sequence? I know right off the bat that if there was a > requirement that there be no holes in the key for a particualr table > that one sequence over multiple tables (like in check register) would > not do, but if this requirment is not there, would having one sequnence > for all (provided your projected number of total records in all the > tables is less than 4 billion) tables be OK? I don't see any problem there. -- Peter T Mount peter@retep.org.uk or petermount@earthling.net Main Homepage: http://www.retep.org.uk PostgreSQL JDBC Faq: http://www.retep.org.uk/postgres
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