Like statement is case insensitive.. So if you want to match capital letters, use the collate or Binary keyword..ofcourse u need to escape the _ which is dependent on the type of Dbms used..
aaaba_empire
select * from wlid where name like 'j__%' escape '_'
when we apply the following query it will be give the accurate solution
prasadchowdary
There is an ESCAPE clause in the SQL server you can use.