Re: Oracle 'connect by prior' now eaiser in 7.3?
| От | Randolf Richardson, DevNet SysOp 29 |
|---|---|
| Тема | Re: Oracle 'connect by prior' now eaiser in 7.3? |
| Дата | |
| Msg-id | Xns9435CF5523F2Err8xca@200.46.204.72 обсуждение исходный текст |
| Ответ на | Oracle 'connect by prior' now eaiser in 7.3? ("Merrall, Graeme" <gmerrall@team.aol7.com.au>) |
| Список | pgsql-sql |
[sNip]
> See connectby() in contrib/tablefunc. Someone was working on SQL99
> recursive queries but it didn't get done for 7.4 -- perhaps it will be
> in 7.5. In the meantime, connectby() is in 7.3 and might work for you.
Oracle 8i doesn't seem to have any special indexing to handle this
efficiently. Do you happen to know if PostgreSQL will have a special
indexing option for this feature? If it does, it will very likely provide a
major performance advantage over Oracle.
--
Randolf Richardson - rr@8x.ca
Inter-Corporate Computer & Network Services, Inc.
Vancouver, British Columbia, Canada
http://www.8x.ca/
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