Tag: check wether a value is uppercase in database

Today, i will discuss about how to check which values in the table for a particular column are uppercase or not. I have designed a Query using dual to achieve the same. Below is the Query. select * from (select ‘A’ as col1, ‘B’ as col2 from dual union select ‘a’ col1,’D’ as col2 from dual) A, (select ‘A’ as col1 ,’B’ as col2 from dual union select ‘a’ col1 ,’D’ as col2 from dual)B where upper(B.col1)=A.col1 and B.col2=A.col2; I created table A and table B using dual command .…