Join on Edit Similarity

Hi All,
I am new to Oracle! So bear with me.
I am joining 2 tables like this and creating a another table as below:
create tablex
as
select *
from table1 a
join table2 b
on utl_match.edit_distance_similarity(a.dob,b.dob) >70
Does this will first create a cartesian product, then select the ones which have edit similarity value of more than 70?
Or it will select only those which have edit similarity value of more than 70?
Thanks

I had a look at Explain Plan, it seems that Edit_Distance_Similarity does create full cartesian product.
Edited by: zx8754 on 06-May-2010 03:29

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