Update 2025-02-05-sql실습01.md

Author: minju0611

_posts/2025-02-05-sql실습01.md

@@ -63,6 +63,7 @@ SELECT A.ADMINIST_ZONE_NO, A.ADMINIST_ZONE_NM, A.STD_MT
         FROM TB_POPLTN_DATA, (SELECT (tmp1.idx) AS LVL1 FROM (SELECT 1 as idx UNION SELECT 2 UNION SELECT 3) tmp1) LVL1, (SELECT (tmp2.idx) AS LVL2 FROM (SELECT 1 as idx UNION SELECT 2 UNION SELECT 3 UNION SELECT 4 UNION SELECT 5 UNION SELECT 6 UNION SELECT 7 UNION SELECT 8 UNION SELECT 9 UNION SELECT 10 UNION SELECT 11) tmp2) LVL2
      ) A ;
 
+
 -- UNION을 통해 레벨을 설정
 -- 1~3 레벨 (LV1) : 성별을 의미 ( 남 / 여 / 전체)
 -- 1~11 레벨 (LV2) : 나이대를 의미