Ora_hash - Same hash value for different inputs (Urgent)

Hi,
Trying to use ora_hash to join between tables but i noticed that in some cases, when working on different input value the ora_hash function generates same results.
select ora_hash('oomeroe03|6NU3|LS006P|7884|1|17-JUL-13 13.18.22.528000|0005043|'),ora_hash('GSAHFFXTK|GCQ3|A6253S|12765|1|17-JUL-13 17.26.26.853000|0136423|')
from dual
Output value : 1387341941
Oracle version is 11gR2.
Thanks

Why would anyone limit the hash distribution to three buckets ?
However, one must understand that the default seed is 0. So one input repeated gets the same hash value unless the seed is changed.
SQL> select ora_hash(rn) , rn
2 from
3 (Select rownum as rn from dual connect by level < 11)
4 order by rn;
ORA_HASH(RN)         RN
2342552567          1
2064090006          2
2706503459          3
3217185531          4
   365452098          5
1021760792          6
   738226831          7
3510633070          8
1706589901          9
1237562873         10
10 rows selected.
SQL> l
1 select ora_hash(rn) , rn
2 from
3 (Select rownum as rn from dual connect by level < 11)
4* order by rn
SQL> /
ORA_HASH(RN)         RN
2342552567          1
2064090006          2
2706503459          3
3217185531          4
   365452098          5
1021760792          6
   738226831          7
3510633070          8
1706589901          9
1237562873         10
10 rows selected.
SQL> /
ORA_HASH(RN)         RN
2342552567          1
2064090006          2
2706503459          3
3217185531          4
   365452098          5
1021760792          6
   738226831          7
3510633070          8
1706589901          9
1237562873         10
10 rows selected.
SQL>
Hemant K Chitale

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