Hamid,
I believe the problem is in your 'to_number(a.MSC_SERVICE_CODE)' section in
your where clause. This is trying to do a to_number on a field that could
have a non numeric value in the field.
Hope this helps,
Bryan Rodrigues
-----Original Message-----
Sent: Monday, June 24, 2002 7:23 PM
To: Multiple recipients of list ORACLE-L
List,
I have a table with the following structure:
CREATE TABLE SERVICE_CODE_MSC (
MSC_SERVICE_ID NUMBER (4) NOT NULL,
MSC_SERVICE_CODE VARCHAR2 (30) NOT NULL,
CONSTRAINT MSC_PK
PRIMARY KEY ( MSC_SERVICE_ID, MSC_SERVICE_CODE )
USING INDEX
TABLESPACE USERS
Here is some sample of this table:
service_id service_code
------------- ------------------
7 a1000
7 a2000
30 e1230
30 e1234
10 12098
20 130987
When I run the followinh query on this table I get invalid
number(ORA-01722), then when I drop tha table and reload the data the query
running OK, Here is the query I am running:
select count(*)
from (select MSC_SERVICE_CODE,MSC_MTF_SERVICE_ID
from MTF_SERVICE_CODE_MSC
where
substr(MSC_SERVICE_CODE, 1, 1) in
('9','8','7','6','5','4','3','2','1','0')) a
where
to_number(a.MSC_SERVICE_CODE) between 7 and 30
Any Idea ? why this hapenning?
Thanks Allot.
Hamid Alavi
Office 818 737-0526
Cell 818 402-1987
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