>>
>>SELECT *;
>> FROM a ;
>> JOIN b ON a.f1 = b.f1 ;
>> JOIN c ON b.f1 = c.f1
>>
>>
>>Table a is joined with b.
>>Table a is joined with c. Therefore, the part "on b.f1 = c.f1" is not appropriate.
>
>Not so. Table a is joined with b. Then, that result is joined with c, so the condition shown is fine.
>
>Tamar
What you say makes sense; thanks for the clarification.
But then, are the two commands equivalent, or not?
Difference in opinions hath cost many millions of lives: for instance, whether flesh be bread, or bread be flesh; whether whistling be a vice or a virtue; whether it be better to kiss a post, or throw it into the fire... (from Gulliver's Travels)
