인프런 커뮤니티 질문&답변

select
            member0_.username as col_0_0_,
            'HELLO' as col_1_0_,
            1 as col_2_0_ 
        from
            Member member0_ 
        where
            member0_.type='USER'

 

여기에서 1 as col_2_0_가 나오는데 1이 의미하는게 무엇인가요?