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기술문서:레퍼런스:쿼리:응용:calendar_query

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기술문서:레퍼런스:쿼리:응용:calendar_query [2025/11/27 11:48]
carlito76 		기술문서:레퍼런스:쿼리:응용:calendar_query [2026/06/19 17:13] (현재)
carlito76
줄 7: 줄 7:
  
 <note tip> <note tip>
-최소 지원 버전은 약간의 차이가 있을 수 있습니다.+최소 지원 버전은 약간의 차이가 있을 수 있습니다.\\ 
 +- MySQL/MariaDB, PostgreSQL: 세부 버전까지 표시\\ 
 +- MSSQL, Oracle/Tibero: 제품 버전까지 표시
 </note> </note>
  
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 */ */
 SELECT SELECT
- MIN(CASE WHEN week = 1 THEN dt END) AS sun + MAX(CASE WHEN week = 1 THEN dt END) AS sun 
- , MIN(CASE WHEN week = 2 THEN dt END) AS mon + , MAX(CASE WHEN week = 2 THEN dt END) AS mon 
- , MIN(CASE WHEN week = 3 THEN dt END) AS tue + , MAX(CASE WHEN week = 3 THEN dt END) AS tue 
- , MIN(CASE WHEN week = 4 THEN dt END) AS wed + , MAX(CASE WHEN week = 4 THEN dt END) AS wed 
- , MIN(CASE WHEN week = 5 THEN dt END) AS thu + , MAX(CASE WHEN week = 5 THEN dt END) AS thu 
- , MIN(CASE WHEN week = 6 THEN dt END) AS fri + , MAX(CASE WHEN week = 6 THEN dt END) AS fri 
- , MIN(CASE WHEN week = 7 THEN dt END) AS sat+ , MAX(CASE WHEN week = 7 THEN dt END) AS sat
 FROM FROM
  (SELECT  (SELECT
줄 32: 줄 34:
  (SELECT  (SELECT
  DATE_ADD(a, INTERVAL b DAY) AS dt  DATE_ADD(a, INTERVAL b DAY) AS dt
 + , a
  FROM  FROM
  (SELECT  (SELECT
줄 48: 줄 51:
  ) cal  ) cal
  WHERE  WHERE
- dt <= LAST_DAY(dt)+ dt <= LAST_DAY(a)
  ) cal  ) cal
 GROUP BY GROUP BY
줄 63: 줄 66:
 */ */
 SELECT SELECT
- MIN(CASE WHEN week = 1 THEN dt END) AS sun + MAX(CASE WHEN week = 1 THEN dt END) AS sun 
- , MIN(CASE WHEN week = 2 THEN dt END) AS mon + , MAX(CASE WHEN week = 2 THEN dt END) AS mon 
- , MIN(CASE WHEN week = 3 THEN dt END) AS tue + , MAX(CASE WHEN week = 3 THEN dt END) AS tue 
- , MIN(CASE WHEN week = 4 THEN dt END) AS wed + , MAX(CASE WHEN week = 4 THEN dt END) AS wed 
- , MIN(CASE WHEN week = 5 THEN dt END) AS thu + , MAX(CASE WHEN week = 5 THEN dt END) AS thu 
- , MIN(CASE WHEN week = 6 THEN dt END) AS fri + , MAX(CASE WHEN week = 6 THEN dt END) AS fri 
- , MIN(CASE WHEN week = 7 THEN dt END) AS sat+ , MAX(CASE WHEN week = 7 THEN dt END) AS sat
 FROM FROM
  (SELECT  (SELECT
줄 105: 줄 108:
 */ */
 SELECT SELECT
- MIN(DECODE(week, 1, dt)) AS sun + MAX(DECODE(week, 1, dt)) AS sun 
- , MIN(DECODE(week, 2, dt)) AS mon + , MAX(DECODE(week, 2, dt)) AS mon 
- , MIN(DECODE(week, 3, dt)) AS tue + , MAX(DECODE(week, 3, dt)) AS tue 
- , MIN(DECODE(week, 4, dt)) AS wed + , MAX(DECODE(week, 4, dt)) AS wed 
- , MIN(DECODE(week, 5, dt)) AS thu + , MAX(DECODE(week, 5, dt)) AS thu 
- , MIN(DECODE(week, 6, dt)) AS fri + , MAX(DECODE(week, 6, dt)) AS fri 
- , MIN(DECODE(week, 7, dt)) AS sat+ , MAX(DECODE(week, 7, dt)) AS sat
 FROM FROM
  (SELECT  (SELECT
줄 121: 줄 124:
  (SELECT  (SELECT
  TRUNC(SYSDATE, 'MM') AS dt  TRUNC(SYSDATE, 'MM') AS dt
- -- TO_DATE('20250101') AS dt+ -- TO_DATE('20250101', 'YYYYMMDD') AS dt
  FROM  FROM
  DUAL) cal  DUAL) cal
줄 140: 줄 143:
 */ */
 SELECT SELECT
- MIN(CASE WHEN week = 0 THEN dt END) AS sun + MAX(CASE WHEN week = 0 THEN dt END) AS sun 
- , MIN(CASE WHEN week = 1 THEN dt END) AS mon + , MAX(CASE WHEN week = 1 THEN dt END) AS mon 
- , MIN(CASE WHEN week = 2 THEN dt END) AS tue + , MAX(CASE WHEN week = 2 THEN dt END) AS tue 
- , MIN(CASE WHEN week = 3 THEN dt END) AS wed + , MAX(CASE WHEN week = 3 THEN dt END) AS wed 
- , MIN(CASE WHEN week = 4 THEN dt END) AS thu + , MAX(CASE WHEN week = 4 THEN dt END) AS thu 
- , MIN(CASE WHEN week = 5 THEN dt END) AS fri + , MAX(CASE WHEN week = 5 THEN dt END) AS fri 
- , MIN(CASE WHEN week = 6 THEN dt END) AS sat+ , MAX(CASE WHEN week = 6 THEN dt END) AS sat
 FROM FROM
  (SELECT  (SELECT

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