retrieve values, regardless of the case

Hi all
How to retrieve values, regardless of the case. For Examle,.
column_value = "name" when I try to retrieve using the
select *  from table where column_value = 'NAME'

But when i use the following query it is working
select *  from table where column_value = Lower('NAME')
My request will contain values higher or lower, so regardless of case-sensitive, I need to retrieve values. How this might be possible.

Thank you

You must apply the case function to both sides to ignore case

select *  from table where lower(column_value) = Lower('NAME')

//OR

select *  from table where upper(column_value) = upper('NAME')

Tags: Database

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