Try:
   ST_DWithin(point1, point2, 0.00001)

-F

2010/5/22 eehab hamzeh <eeha...@hotmail.com>

>  Hello
>
> I want to check if two points are identical, the points has x,y,z
> coordinates and they are not exactly the same, i need to check the
> intersection between them with tolerance value. any direction of how to do
> that.
>
> Thank
>
> kind regards
>
>
>
>
>
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