데이터 그룹으로 나누기(NTILE)
SELECT NTILE (3) OVER (ORDER BY RN) GROUP_NO , RN DATA FROM (SELECT LEVEL RN FROM DUAL CONNECT BY LEVEL < 11);
꿈을 실현합니다.
SELECT NTILE (3) OVER (ORDER BY RN) GROUP_NO , RN DATA FROM (SELECT LEVEL RN FROM DUAL CONNECT BY LEVEL < 11);
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