πŸ“Œ[SQL 문제 풀이] Programmers - 12μ„Έ μ΄ν•˜μΈ μ—¬μž ν™˜μž λͺ©λ‘ 좜λ ₯ν•˜κΈ°

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SELECT PT_NAME, PT_NO, GEND_CD, AGE, ifnull(TLNO, 'NONE') as 'TLNO'
FROM PATIENT
WHERE AGE <= 12 and GEND_CD = "W"
ORDER BY AGE DESC, PT_NAME
;
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