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Στις 07-02-2011, ημέρα Δευ, και ώρα 18:21 +0200, ο/η V13 έγραψε:
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Se postgresql yparxei h 'EXPLAIN' h opoia mporei na soy pei poia apo tis dyo
einai h pio grigori. An den exei kati antistoixo h mysql, bale postgres kai
kane tis dokimes ekei. To apotelesma bebaia tha einai me bash ton optimizer
ths postgres alla mias kai to erotima einai aplo *ypotheto* pos tha isxyei to
idio kai se mysql.
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Η MySQL έχει explain:<BR>
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<A HREF="http://dev.mysql.com/doc/refman/5.1/en/explain.html">http://dev.mysql.com/doc/refman/5.1/en/explain.html</A><BR>
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