๐ก MySQL
์ด๋ฆ์ el์ด ๋ค์ด๊ฐ๋ ๋๋ฌผ ์ฐพ๊ธฐ [Link]
SELECT ANIMAL_ID, NAME FROM ANIMAL_INS WHERE ANIMAL_TYPE = 'Dog' AND NAME REGEXP 'el|EL|El|eL' ORDER BY NAME;