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기술문서:레퍼런스:쿼리:응용:calendar_query

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기술문서:레퍼런스:쿼리:응용:calendar_query [2025/02/18 15:41]
carlito76 		기술문서:레퍼런스:쿼리:응용:calendar_query [2026/06/19 17:13] (현재)
carlito76
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 {{htmlmetatags> {{htmlmetatags>
-metatag-robots=(index,follow) +metatag-description=(달력 쿼리, Calendar Query, 달력, Calendar, 데이터베이스, DBMS, SQL, MySQL, MariaDB, MSSQL, Oracle, Tibero, PostgreSQL) 
-metatag-keywords=(데이터베이스, DBMS, 달력, Calendar, 쿼리, Query, 달력 쿼리, Calendar Query, MariaDB/MySQL, MSSQL, Oracle/Tibero, PostgreSQL) +metatag-og:description=(달력 쿼리, Calendar Query, 달력, Calendar, 데이터베이스, DBMS, SQL, MySQL, MariaDB, MSSQL, Oracle, Tibero, PostgreSQL)
-metatag-description=(잡개발자 리토의 잡위키 - 데이터베이스, DBMS, 달력, Calendar, 쿼리, Query, 달력 쿼리, Calendar Query, MariaDB/MySQL, MSSQL, Oracle/Tibero, PostgreSQL) +
-metatag-og:description=(잡개발자 리토의 잡위키 - 데이터베이스, DBMS, 달력, Calendar, 쿼리, Query, 달력 쿼리, Calendar Query, MariaDB/MySQL, MSSQL, Oracle/Tibero, PostgreSQL)+
 }} }}
  
 ====== Calendar Query ====== ====== Calendar Query ======
  
-===== MariaDB/MySQL =====+<note tip> 
 +최소 지원 버전은 약간의 차이가 있을 수 있습니다.\\ 
 +- MySQL/MariaDB, PostgreSQL: 세부 버전까지 표시\\ 
 +- MSSQL, Oracle/Tibero: 제품 버전까지 표시 
 +</note> 
 + 
 +===== MySQL/MariaDB =====
 <sxh sql; gutter: true;> <sxh sql; gutter: true;>
 +/*
 + MySQL 5.0.1 이상/MariaDB 5.1 이상
 +*/
 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
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  FROM  FROM
  (SELECT  (SELECT
- (a + b) AS dt+ DATE_ADD(a, INTERVAL b DAY) AS dt 
 + , a
  FROM  FROM
  (SELECT  (SELECT
- (LAST_DAY(NOW() + INTERVAL -1 MONTH) + INTERVAL 1 DAY) AS a+ DATE_ADD(LAST_DAY(NOW() + INTERVAL -1 MONTH), INTERVAL 1 DAY) AS a
  -- STR_TO_DATE('20250101', '%Y%m%d') AS a  -- STR_TO_DATE('20250101', '%Y%m%d') AS a
  ) a  ) a
줄 43: 줄 51:
  ) cal  ) cal
  WHERE  WHERE
- dt <= LAST_DAY(dt)+ dt <= LAST_DAY(a)
  ) cal  ) cal
 GROUP BY GROUP BY
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 ===== MSSQL ===== ===== MSSQL =====
 <sxh sql; gutter: true;> <sxh sql; gutter: true;>
 +/*
 + MSSQL 2000 이상
 +*/
 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
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 ===== Oracle/Tibero ===== ===== Oracle/Tibero =====
 <sxh sql; gutter: true;> <sxh sql; gutter: true;>
 +/*
 + Oracle 8i 이상/Tibero 4 이상
 +*/
 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 110: 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 125: 줄 139:
 ===== PostgreSQL ===== ===== PostgreSQL =====
 <sxh sql; gutter: true;> <sxh sql; gutter: true;>
 +/*
 + PostgreSQL 8.0 이상
 +*/
 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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 ; ;
 </sxh> </sxh>
 +
 +{{tag>"쿼리" "Query" "응용"}}
  

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