{"id":464,"date":"2014-11-29T17:55:46","date_gmt":"2014-11-29T08:55:46","guid":{"rendered":"http:\/\/www.dbsheetclient.jp\/blog\/?p=464"},"modified":"2018-06-27T16:23:58","modified_gmt":"2018-06-27T07:23:58","slug":"with%e5%8f%a5%e3%81%a8%e5%85%b1%e9%80%9a%e3%83%86%e3%83%bc%e3%83%96%e3%83%ab%e5%bc%8fcte","status":"publish","type":"post","link":"https:\/\/www.dbsheetclient.jp\/blog\/?p=464","title":{"rendered":"WITH\u53e5\u3068\u5171\u901a\u30c6\u30fc\u30d6\u30eb\u5f0f(CTE)"},"content":{"rendered":"

IT\u30b3\u30fc\u30c7\u30a3\u30cd\u30fc\u30bf\u306e\u30b7\u30e5\u30a6\u3067\u3059\u3002<\/p>\n

\"autumn-leaves_00083<\/a><\/p>\n

\u5148\u65e5\u3001ITC\u306e\u30dd\u30a4\u30f3\u30c8\u53d6\u5f97\u3082\u517c\u306d\u3066\u3001\u226aMCPC\u30e2\u30d0\u30a4\u30eb\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u30d5\u30a7\u30a22014\u226b\u306e\u30bb\u30df\u30ca\u30fc\u306b\u53c2\u52a0\u3057\u3066\u304d\u307e\u3057\u305f\u3002
http:\/\/www.mcpc-jp.org\/fair2014\/index.html
<\/a>\u30e2\u30d0\u30a4\u30eb\u7aef\u672b\u3092\u696d\u52d9\u3067\u4f7f\u7528\u3059\u308b\u30b1\u30fc\u30b9\u304c\u5897\u3048\u3066\u304d\u3066\u3044\u307e\u3059\u304c\u3001\u305d\u308c\u306b\u4f34\u3063\u3066\u7d1b\u5931\u3084\u76d7\u96e3\u306b\u3088\u308b\u60c5\u5831\u6f0f\u6d29\u306e\u30ea\u30b9\u30af\u3082\u9ad8\u307e\u3063\u3066\u304d\u3066\u3044\u307e\u3059\u3002\u7d1b\u5931\u3057\u305f\u969b\u306b\u3059\u3050\u306b\u4f4d\u7f6e\u60c5\u5831\u3092\u78ba\u8a8d\u3057\u3001\u7aef\u672b\u3092\u30ed\u30c3\u30af\u3057\u305f\u308a\u3001\u30c7\u30fc\u30bf\u3092\u6d88\u53bb\u3057\u305f\u308a\u3001\u6d88\u53bb\u3057\u305f\u3068\u3044\u3046\u30ec\u30dd\u30fc\u30c8\u3092\u53d7\u4fe1\u3067\u304d\u308b\u3088\u3046\u306a\u30b5\u30fc\u30d3\u30b9\u306b\u3064\u3044\u3066\u306e\u7d39\u4ecb\u306e\u30bb\u30df\u30ca\u30fc\u3082\u6570\u793e\u884c\u3063\u3066\u3044\u307e\u3057\u305f\u3002\u307e\u305f\u3001\u7aef\u672b\u306e\u96fb\u6e90\u304c\u843d\u3061\u3066\u3044\u3066\u3082\u3001\u72ec\u81ea\u306eBIOS\u306b\u3088\u308a\u30ea\u30e2\u30fc\u30c8\u304b\u3089\u64cd\u4f5c\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u3088\u3046\u306b\u3057\u3066\u3044\u308b\u3082\u306e\u3082\u51fa\u3066\u304d\u3066\u3044\u307e\u3059\u306d\u3002\u304a\u91d1\u76ee\u5f53\u3066\u3067\u76d7\u96e3\u3059\u308b\u30b1\u30fc\u30b9\u3082\u51fa\u3066\u304d\u3066\u3044\u308b\u4e2d\u3001\u696d\u52d9\u3067\u30e2\u30d0\u30a4\u30eb\u3092\u4f7f\u3046\u305f\u3081\u306b\u306f\u3001\u3053\u306e\u3088\u3046\u306a\u30b5\u30fc\u30d3\u30b9\u304c\u5fc5\u8981\u306a\u6642\u4ee3\u3067\u3042\u308b\u3053\u3068\u3092\u611f\u3058\u307e\u3059\u3002

\uff1c\u672c\u65e5\u306e\u984c\u6750\uff1e
WITH\u53e5\u3068\u5171\u901a\u30c6\u30fc\u30d6\u30eb\u5f0f(CTE)
<\/strong>
\u6a19\u6e96SQL\u898f\u683c SQL99 \u3088\u308a\u3001WITH\u53e5\u304c\u5c0e\u5165\u3055\u308c\u3066\u3001SELECT\u6587\u306e\u4e2d\u3067\u8a18\u8ff0\u3059\u308b\u30a4\u30f3\u30e9\u30a4\u30f3\u30d3\u30e5\u30fc\uff08FROM\u306e\u5f8c\u306b\u6307\u5b9a\u3059\u308b\u554f\u5408\u305b\uff09\u3092WITH\u53e5\u3067\u8a18\u8ff0\u3057\u3001\u305d\u306eSQL\u6587\u4e2d\u306b\u9650\u308a\u7e70\u308a\u8fd4\u3057\u4f7f\u7528\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3057\u305f\u3002\u3053\u306eWITH\u53e5\u306b\u8a18\u8ff0\u3057\u305f\u3082\u306e\u3092\u300c\u5171\u901a\u30c6\u30fc\u30d6\u30eb\u5f0f\u300d(CTE)\u3068\u3044\u3044\u307e\u3059\u3002
(Oracle\u3067\u306fOracle9i\u304b\u3089\u5bfe\u5fdc\u3001\u305f\u3060\u3057\u3001\u518d\u5e30WITH\u53e5\u306fOracle11gR2\u304b\u3089\u5bfe\u5fdc)
\u524d\u56de<\/a>\u306e\u968e\u5c64\u69cb\u9020\u306e\u30c7\u30fc\u30bf\u8868\u793a\uff08Oracle\uff09\u3067\u4f8b\u3068\u3057\u3066\u6319\u3052\u305fSQL\u306e\u5916\u90e8\u7d50\u5408\u3067\u4f7f\u7528\u3057\u3066\u3044\u308b\u90e8\u5206\u3092WITH\u53e5\u3067\u5171\u901a\u30c6\u30fc\u30d6\u30eb\u5f0f\u3092\u4f7f\u3046\u304b\u305f\u3061\u306b\u3059\u308b\u3068\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n

WITH E2(EMPNO, ENAME) AS(
SELECT EMPNO, ENAME FROM EMP) \u00a0\u00a0
SELECT
\u00a0 E1.EMPNO AS \u5f93\u696d\u54e1\u756a\u53f7
, E1.ENAME AS \u5f93\u696d\u54e1\u540d
, LPAD(‘ ‘,(LEVEL-1)*2,’ ‘)||E1.JOB AS \u8077\u52d9\u540d
, E1.MGR AS \u4e0a\u53f8\u5f93\u696d\u54e1\u756a\u53f7
, E2.ENAME AS \u4e0a\u53f8\u5f93\u696d\u54e1\u540d
, LEVEL AS \u968e\u5c64LEVEL
\u00a0 FROM EMP E1
\u00a0 LEFT OUTER JOIN E2 ON E1.MGR = E2.EMPNO
\u00a0START WITH E1.JOB = ‘PRESIDENT’
\u00a0CONNECT BY PRIOR E1.EMPNO = E1.MGR
\u00a0ORDER SIBLINGS BY E1.ENAME;
\"oracle_kaisou_1_2\"<\/p>\n

<\/a>\u203b\u7d50\u679c\u306f\u524d\u56de\u3068\u540c\u3058\u306b\u306a\u308a\u307e\u3059\u3002\u307e\u305f\u3001SQL\u81ea\u4f53\u3082\u4e0a\u304b\u3089\u4e0b\u306b\u9806\u306b\u8aad\u3081\u308b\u306e\u3067\u3001\u308f\u304b\u308a\u3084\u3059\u304f\u306a\u308a\u307e\u3059\u3002<\/p>\n

\u6b21\u306b\u3001\u518d\u5e30WITH\u53e5\u306b\u3064\u3044\u3066\u3067\u3059\u304c\u3001\u57fa\u672c\u7684\u306a\u66f8\u304d\u65b9\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n

WITH \u5171\u901a\u30c6\u30fc\u30d6\u30eb\u5f0f(CTE)\u540d(column1, column2, …)<\/strong>
AS (<\/strong>
\u00a0 \u00a0 \/* \u5143\u306e SELECT\u6587 *\/<\/strong>
\u00a0 \u00a0 UNION ALL<\/strong>
\u00a0 \u00a0 \/* CTE\u540d\u3092\u53c2\u7167\u3059\u308b SELECT\u6587 *\/<\/strong>
)<\/strong>
SELECT column_x1, column_x2, … from CTE\u540d;<\/strong><\/p>\n

\u4f8b\u3068\u3057\u3066\u3001\u3053\u308c\u3082\u3088\u304f\u6319\u3052\u3089\u308c\u308b\u4f8b\u3067\u306f\u3042\u308b\u3068\u601d\u3044\u307e\u3059\u304c\u30011\u304b\u308920\u307e\u3067\u306e\u6b63\u306e\u6570\u3092\u9806\u306b\u51fa\u529b\u3059\u308b\u5834\u5408\u306eSQL\u3067\u3059\u3002<\/p>\n

WITH RECUR_SEISU(val) AS (
SELECT 1 FROM DUAL
UNION ALL
SELECT val+1
FROM RECUR_SEISU
WHERE val+1 <= 20)
SELECT val FROM RECUR_SEISU;
\"oracle_saiki_seisu\"<\/a>
\u518d\u5e30WITH\u53e5\u3067\u3001\u6700\u521d\u306bUNION ALL\u307e\u3067\u306eSELECT\u6587\u3092\u5b9f\u884c\u3057\u3066\u3001\u305d\u306e\u7d50\u679c\u3092\u4f7f\u7528\u3057\u3066UNION ALL\u306e\u4e0b\u306eSELECT\u6587\u3092\u5b9f\u884c\u3057\u3001\u6761\u4ef6\u3092\u6e80\u305f\u3059\u3042\u3044\u3060\u305d\u308c\u3092\u7e70\u308a\u8fd4\u3057\u3066\u51e6\u7406\u3092\u3057\u3066\u3044\u308b\u306e\u304c\u78ba\u8a8d\u3067\u304d\u307e\u3059\u3002<\/p>\n

SQL Server\u3067\u306fSQL Server2005\u304b\u3089\u5171\u901a\u30c6\u30fc\u30d6\u30eb\u5f0f\u3092\u4f7f\u7528\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u3002
<\/span>\u4e0a\u8a18\u306eSQL\u306f\u4e0b\u8a18\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n

WITH RECUR_SEISU(val) AS (
SELECT 1
UNION ALL
SELECT val+1
FROM RECUR_SEISU
WHERE val+1 <= 20)
SELECT val FROM RECUR_SEISU;
\"oracle_saiki_seisu2\"<\/p>\n

<\/a>\u203b\u7d50\u679c\u306f\u540c\u3058\u3067\u3059\u3002\u00a0<\/p>\n

\u3061\u306a\u307f\u306b\u3001MySQL\u3067\u306f\u3001WITH\u53e5\u3092\u4f7f\u3063\u3066\u306e\u5171\u901a\u30c6\u30fc\u30d6\u30eb\u5f0f\u306b\u3064\u3044\u3066\u306f\u307e\u3060\u672a\u5bfe\u5fdc\u306e\u3088\u3046\u3067\u3059\u3002<\/p>\n

\u4eca\u65e5\u306f\u4ee5\u4e0a\u307e\u3067<\/p>\n

 <\/p>\n","protected":false},"excerpt":{"rendered":"

IT\u30b3\u30fc\u30c7\u30a3\u30cd\u30fc\u30bf\u306e\u30b7\u30e5\u30a6\u3067\u3059\u3002 \u5148\u65e5\u3001ITC\u306e\u30dd\u30a4\u30f3\u30c8\u53d6\u5f97\u3082\u517c\u306d\u3066\u3001\u226aMCPC\u30e2\u30d0\u30a4\u30eb\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u30d5\u30a7\u30a22014\u226b\u306e\u30bb\u30df\u30ca\u30fc\u306b\u53c2\u52a0\u3057\u3066\u304d\u307e\u3057\u305f\u3002http:\/\/www.mcpc-jp.org\/fair2014\/inde […]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":false,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"enabled":false},"version":2}},"categories":[21,23],"tags":[],"class_list":["post-464","post","type-post","status-publish","format-standard","hentry","category-select","category-23"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/www.dbsheetclient.jp\/blog\/index.php?rest_route=\/wp\/v2\/posts\/464","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.dbsheetclient.jp\/blog\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.dbsheetclient.jp\/blog\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.dbsheetclient.jp\/blog\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.dbsheetclient.jp\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=464"}],"version-history":[{"count":12,"href":"https:\/\/www.dbsheetclient.jp\/blog\/index.php?rest_route=\/wp\/v2\/posts\/464\/revisions"}],"predecessor-version":[{"id":1968,"href":"https:\/\/www.dbsheetclient.jp\/blog\/index.php?rest_route=\/wp\/v2\/posts\/464\/revisions\/1968"}],"wp:attachment":[{"href":"https:\/\/www.dbsheetclient.jp\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=464"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.dbsheetclient.jp\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=464"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.dbsheetclient.jp\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=464"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}