On 12/05/11 00:19, Grzegorz Szpetkowski wrote:
> Is there any "proper", standard ordering that I can assume for sure ?
> Maybe PostgreSQL 8.4/9.0 versions have strict ordering and older
> versions are using mixed ordering depends on something I don't know (I
> am just guessing).
Queries do not have any guaranteed order unless you add an ORDER BY
clause. None of them, no matter how simple.
-- Richard Huxton Archonet Ltd