Hi friend IAm not telling u to say u r user to change write according to u ..
C do one thing
U must be taking u r values from a form ..
and taking in
jsp using.or any thing u must be doing .by
String A=request.getParameter ...Method...
after taking a value in variable..just use
exp..
String B=A.toUpperCase();
and than save to database it will be always in same case may u r user enter in any case..
I think so this wiil help u ..
regds
sandeep