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Disable Oracle 11gr2  Case Sensitivity

sns-emea
sns-emea asked
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Last Modified: 2012-05-13
Oracle 11 select are case sensitive. I have check online and noticed that if i use the alter session scripts, i am able to retrieve records regardless of case sensitivity:

 alter session set NLS_COMP=ANSI;

 alter session set NLS_SORT=BINARY_CI;

select * from x where user='XXX';

Result:

Xxx
xxx
XXX
xXX

If i add those to the database parameters in the spfile and pfile, bring back the db online, check parameter as below:

show parameter NLS_COMP

ANSI

show parameter NLS_SORT

BINARY_CI
 
if i select from the table:

select * from x where user='XXX';

Result:

XXX

What have i missed? How can alter the database to case insensitive?
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