Code Reading Club Reading Countdown - 11

Countdown - Snippet 11

Today's code reading countdown in SQL.

Snippet

Snippet in text

-- 학생들 중 여학생들을 확인하는 쿼리문을 작성하세요.
select * 
from student 
where st_reg_num like '______-2%' or st_reg_num like '______-4%';

select * 
from student 
where st_reg_num like '%-2%' or st_reg_num like '%-4%';

Question

Explain these two queries in words, and the difference between them.

Submission

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