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.
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