Oracle Case insensitivity problem

Question

Hi
To alter my session to make case insensitive I've set session variables as follows,
NLS_SORT------>BINARY_CI
NLS_COMP------>LINGUISTIC
Now when I ran the following query I'm getting error ORA-00600.
select * from (select customer_id ,row_number() over (order by customer_id) from customer where customer_name like 's%')
when I change the query as follows I'm getting the results,
select * from (select customer_id from (select customer_id from customer where customer_name like 's%'))
As per my observation if I use either ROW_NUMBER() or ROWNUM in the inner query I'm getting the mentioned exception.
How to avoid this exception, as I require ROW_NUMBER() in the inner query to restrict the no.of case insensitive records dynamically.
regards,
harry

Answer 1

harrry wrote:
Hi
To alter my session to make case insensitive I've set session variables as follows,
NLS_SORT------>BINARY_CI
NLS_COMP------>LINGUISTIC
Now when I ran the following query I'm getting error ORA-00600.ORA-00600 = open an SR with Oracle Support or use the ora-0600 lookup tool on MetaLink.
select * from (select customer_id ,row_number() over (order by customer_id) from customer where customer_name like 's%')
when I change the query as follows I'm getting the results,
select * from (select customer_id from (select customer_id from customer where customer_name like 's%'))
As per my observation if I use either ROW_NUMBER() or ROWNUM in the inner query I'm getting the mentioned exception.
How to avoid this exception, as I require ROW_NUMBER() in the inner query to restrict the no.of case insensitive records dynamically.
regards,
harry