{"id":581,"date":"2015-01-20T13:11:32","date_gmt":"2015-01-20T04:11:32","guid":{"rendered":"http:\/\/www.dbsheetclient.jp\/blog\/?p=581"},"modified":"2018-06-27T16:20:19","modified_gmt":"2018-06-27T07:20:19","slug":"exists%e5%8f%a5","status":"publish","type":"post","link":"https:\/\/www.dbsheetclient.jp\/blog\/?p=581","title":{"rendered":"EXISTS\u53e5"},"content":{"rendered":"

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

\"IMG_0574_3\"<\/a><\/p>\n

\u3058\u3083\u30fc\u3093\u3002\u307e\u305f\u3001\u30d6\u30eb\u30fc\u30c8\u30ec\u30a4\u30f3\u300c\u5317\u6597\u661f\u300d\u306e\u5199\u771f\u3092\u8f09\u305b\u3066\u307f\u307e\u3057\u305f\u3002\u3055\u305e\u304b\u3057\u3001\u5317\u6597\u661f\u306e\u30d5\u30a1\u30f3\u304b\u3001\u9244\u9053\u30de\u30cb\u30a2\u3068\u601d\u308f\u308c\u308b\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u304c\u3001\u5b9f\u306f\u305d\u3046\u3044\u3046\u8a33\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002
\u5e30\u5b85\u9014\u4e2d\u306e\u99c5\u3067\u3001\u305f\u304f\u3055\u3093\u306e\u30de\u30cb\u30a2\u306e\u65b9\u304c\u5199\u771f\u3092\u64ae\u3063\u3066\u3044\u305f\u306e\u3067\u3001\u3064\u3044\u3064\u3089\u308c\u3066\u4e00\u7dd2\u306b\u306a\u3063\u3066\u5199\u771f\u3092\u64ae\u3063\u3066\u3057\u307e\u3044\u307e\u3057\u305f\u3002\u79c1\u3063\u3066\u3001\u512a\u67d4\u4e0d\u65ad\u3068\u3044\u3046\u304b\u3001\u3064\u3089\u308c\u6613\u3044\u30bf\u30a4\u30d7\u3067\u3059\u3088\u306d\u3002
\u305f\u3060\u3001\u305d\u3093\u306a\u306b\u30de\u30cb\u30a2\u3067\u3082\u306a\u3044\u79c1\u3067\u3059\u304c\u3001\u4eca\u5e74\u4e2d\u306b\u30d6\u30eb\u30fc\u30c8\u30ec\u30a4\u30f3\u304c\u306a\u304f\u306a\u3063\u3066\u3057\u307e\u3046\u3068\u3044\u3046\u5642\u304c\u771f\u5b9f\u3060\u3068\u3059\u308b\u3068\u3001\u672c\u5f53\u306b\u6b8b\u5ff5\u306b\u601d\u3063\u3066\u3057\u307e\u3046\u306e\u3067\u3057\u305f\u3002

\uff1c\u672c\u65e5\u306e\u984c\u6750\uff1e
EXISTS\u53e5
<\/strong>
\u4eca\u65e5\u306f\u3001EXISTS\u53e5\u306b\u3064\u3044\u3066\u53d6\u308a\u4e0a\u3052\u3066\u307f\u307e\u3059\u3002
EXISTS\u53e5\u306f\u3001\u901a\u5e38\u306f\u76f8\u95a2\u526f\u554f\u5408\u305b\uff08\u89aa\u306e\u554f\u3044\u5408\u308f\u305b\u3067\u51e6\u7406\u3055\u308c\u305f\u5404\u30ec\u30b3\u30fc\u30c9\u3092\u526f\u554f\u3044\u5408\u308f\u305b\u306b\u304a\u3044\u3066\u8a55\u4fa1\u3059\u308b\uff09\u306e\u304b\u305f\u3061\u3067\u4f7f\u7528\u3059\u308b\u3053\u3068\u304c\u591a\u3044\u3068\u601d\u3044\u307e\u3059\u3002\u526f\u554f\u5408\u305b\u306b\u304a\u3044\u3066\u3001\u7d50\u679c\u884c\u304c1\u884c\u4ee5\u4e0a\u5b58\u5728\u3059\u308c\u3070TRUE\u3001\u5b58\u5728\u3057\u306a\u3051\u308c\u3070FALSE\u3092\u8fd4\u3057\u3001TRUE\u306e\u5834\u5408\u306e\u884c\u304c\u7d50\u679c\u3068\u3057\u3066\u62bd\u51fa\u3055\u308c\u308b\u3053\u3068\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n

\u8a18\u8ff0\u306e\u65b9\u6cd5\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n

SELECT \u5217\u540d1, \u5217\u540d2, \u2026 , \u5217\u540dn<\/strong>
\u00a0FROM \u8868\u540d1<\/strong>
\u00a0WHERE EXISTS<\/strong>
\u00a0(SELECT \u2018x\u2019 FROM \u8868\u540d2 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0<\/strong>— \u203b
\u00a0 \u00a0WHERE \u8868\u540d1.\u5217\u540dx = \u8868\u540d2.\u5217\u540dx<\/strong>
\u00a0 \u00a0 \u00a0 \u00a0AND \u4ed6\u62bd\u51fa\u6761\u4ef6)<\/strong><\/p>\n

\u203b\u526f\u554f\u5408\u305b\u306e\u4e2d\u3067 SELECT \u2018x\u2019 \u306e\u3088\u3046\u306b\u56fa\u5b9a\u5024\u3092\u4f7f\u7528\u3057\u3066\u3044\u308b\u306e\u306f\u3001\u884c\u304c\u3082\u3069\u3055\u308c\u308b\u304b\u3069\u3046\u304b\u306e\u307f\u304c\u5224\u5b9a\u3055\u308c\u308c\u3070\u3088\u304f\u3001\u623b\u308b\u5217\u306e\u5024\u304c\u4f55\u3067\u3042\u3063\u3066\u3082\u554f\u984c\u306f\u306a\u3044\u3053\u3068\u3001\u307e\u305f\u5b9a\u6570\u3092\u6307\u5b9a\u3059\u308b\u3053\u3068\u3067\u300c\u5b58\u5728\u6709\u7121\u306e\u78ba\u8a8d\u300d\u3067\u3042\u308b\u3053\u3068\u3092\u3088\u308a\u660e\u78ba\u306b\u8868\u73fe\u3059\u308b\u3068\u3044\u3046\u610f\u5473\u3067\u3001ORACLE\u306a\u3069\u3067\u306f\u6163\u7fd2\u7684\u306b\u2019x\u2019\u306a\u3069\u3092\u6307\u5b9a\u3059\u308b\u3053\u3068\u304c\u591a\u3044\u3088\u3046\u3067\u3059\u3002\uff08SELECT * \u306a\u3069\u3067\u3082\u554f\u984c\u306f\u3042\u308a\u307e\u305b\u3093\uff09<\/p>\n

\u4f8b\u3068\u3057\u3066\u3001\u4ee5\u524d\u4f7f\u7528\u3057\u305f\u3053\u3068\u306e\u3042\u308b\u3001\u5546\u54c1\u30de\u30b9\u30bf\u3068\u3001\u58f2\u4e0a\u30c6\u30fc\u30d6\u30eb\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002
\u307e\u305a\u3001\u5546\u54c1\u30de\u30b9\u30bf\u306e\u30c7\u30fc\u30bf\u306f\u4ee5\u4e0b\uff1a<\/p>\n

SELECT * FROM \u5546\u54c1\u30de\u30b9\u30bf
\u00a0ORDER BY \u5546\u54c1CD;<\/p>\n

\"exists_\u5546\u54c1\u30de\u30b9\u30bf\u8868\u793a\"<\/a><\/p>\n

\u58f2\u4e0a\u30c6\u30fc\u30d6\u30eb\u306e\u300c2014\/11\u300d\u306e\u30ec\u30b3\u30fc\u30c9\u304c\u4ee5\u4e0b\u306e\u5834\u5408\uff1a<\/p>\n

SELECT *
\u00a0 FROM \u58f2\u4e0a\u30c6\u30fc\u30d6\u30eb
\u00a0WHERE TO_CHAR(\u53d7\u6ce8\u65e5,’YYYY-MM’) = ‘2014-11’
\u00a0ORDER BY \u53d7\u6ce8\u756a\u53f7;<\/p>\n

\"exists_150119\u53d7\u6ce8\"<\/a><\/p>\n

\u5546\u54c1\u30de\u30b9\u30bf\u306e\u30c7\u30fc\u30bf\u3067\u3001\u300c2014\/11\u300d\u306b\u53d7\u6ce8\u306e\u3042\u3063\u305f\u5546\u54c1\u306e\u4e00\u89a7\u3092\u62bd\u51fa\u3059\u308b\u5834\u5408\u3001<\/p>\n

SELECT \u5546\u54c1CD, \u5546\u54c1\u540d
\u00a0 FROM \u5546\u54c1\u30de\u30b9\u30bf
WHERE EXISTS (SELECT ‘x’
\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 FROM \u58f2\u4e0a\u30c6\u30fc\u30d6\u30eb
\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0WHERE \u5546\u54c1CD = \u5546\u54c1\u30de\u30b9\u30bf.\u5546\u54c1CD
\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0AND TO_CHAR(\u53d7\u6ce8\u65e5,’YYYY-MM’) = ‘2014-11’)
\u00a0ORDER BY \u5546\u54c1CD;<\/p>\n

\"exists_1411\u53d7\u6ce8\u306e\u3042\u3063\u305f\u5546\u54c1\"
<\/a>2014\/11\u300d\u306b1\u56de\u3067\u3082\u53d7\u6ce8\u306e\u3042\u3063\u305f\u5546\u54c1\u304c\u62bd\u51fa\u3055\u308c\u307e\u3057\u305f\u3002<\/p>\n

\u9006\u306b\u3001\u300c\u5546\u54c1\u30de\u30b9\u30bf\u306e\u30c7\u30fc\u30bf\u3067\u3001\u300c2014\/11\u300d\u306b\u4e00\u5ea6\u3082\u53d7\u6ce8\u306e\u306a\u304b\u3063\u305f\u5546\u54c1\u306e\u4e00\u89a7\u3092\u62bd\u51fa\u3059\u308b\u5834\u5408\u3001NOT EXISTS \u3092\u4f7f\u7528\u3057\u307e\u3059\u3002<\/p>\n

SELECT \u5546\u54c1CD, \u5546\u54c1\u540d
\u00a0 FROM \u5546\u54c1\u30de\u30b9\u30bf
WHERE NOT EXISTS
(SELECT ‘x’
\u00a0 \u00a0 FROM \u58f2\u4e0a\u30c6\u30fc\u30d6\u30eb
\u00a0WHERE \u5546\u54c1CD = \u5546\u54c1\u30de\u30b9\u30bf.\u5546\u54c1CD
\u00a0 \u00a0 \u00a0 \u00a0 AND TO_CHAR(\u53d7\u6ce8\u65e5,’YYYY-MM’) = ‘2014-11’)
ORDER BY \u5546\u54c1CD;<\/p>\n

\u00a0\"not_exists_1411\u53d7\u6ce8\u306e\u306a\u304b\u3063\u305f\u5546\u54c1\"<\/a><\/p>\n

SQL Server\u3067\u3082\u540c\u69d8\u3067\u3059\u3002
\u300c2014\/11\u300d\u306b1\u56de\u3067\u3082\u53d7\u6ce8\u306e\u3042\u3063\u305f\u5546\u54c1\u3092\u62bd\u51fa\u3059\u308b\u5834\u5408\uff1a<\/p>\n

SELECT\u5546\u54c1CD,\u5546\u54c1\u540d
\u00a0 FROM dbo.\u5546\u54c1\u30de\u30b9\u30bf
WHERE EXISTS
(SELECT ‘x’
\u00a0 \u00a0 FROM dbo.\u58f2\u4e0a\u30c6\u30fc\u30d6\u30eb
\u00a0WHERE \u5546\u54c1CD = \u5546\u54c1\u30de\u30b9\u30bf.\u5546\u54c1CD
\u00a0 \u00a0 \u00a0 \u00a0AND SUBSTRING(CONVERT(VARCHAR, \u53d7\u6ce8\u65e5,112),1,6) = ‘201411’) \u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000–\u203b2
\u00a0ORDER BY \u5546\u54c1CD;<\/p>\n

\"exists_1411\u53d7\u6ce8\u306e\u3042\u3063\u305f\u5546\u54c1_sqlsv\"<\/a><\/p>\n

\u203b2\uff1aSQL Server 2012\u304b\u3089\u306f\u3001FORMAT\u95a2\u6570\u3092\u4f7f\u3063\u3066\u3082\u53ef\u80fd<\/p>\n

\u300c2014\/11\u300d\u306b1\u5ea6\u3082\u53d7\u6ce8\u306e\u306a\u304b\u3063\u305f\u5546\u54c1\u3092\u62bd\u51fa\u3059\u308b\u5834\u5408\uff08FORMAT\u95a2\u6570\u3092\u4f7f\u3046\uff09\uff1a<\/p>\n

SELECT\u5546\u54c1CD,\u5546\u54c1\u540d
\u00a0 FROM dbo.\u5546\u54c1\u30de\u30b9\u30bf
WHERE NOT EXISTS
(SELECT ‘x’
\u00a0 \u00a0 \u00a0FROM dbo.\u58f2\u4e0a\u30c6\u30fc\u30d6\u30eb
\u00a0 WHERE \u5546\u54c1CD = \u5546\u54c1\u30de\u30b9\u30bf.\u5546\u54c1CD
\u00a0 \u00a0 \u00a0 \u00a0 \u00a0AND FORMAT(\u53d7\u6ce8\u65e5,’yyyyMM’) = ‘201411’)
\u00a0ORDER BY \u5546\u54c1CD;<\/p>\n

\"not_exists_1411\u53d7\u6ce8\u306e\u306a\u304b\u3063\u305f\u5546\u54c1sqlsv\"<\/a><\/p>\n

\u00a0\u7d50\u679c\u306fORACLE\u3068\u540c\u69d8\u306b\u306a\u308a\u307e\u3057\u305f\u3002<\/p>\n

\u4eca\u65e5\u306f\u4ee5\u4e0a\u307e\u3067<\/p>\n","protected":false},"excerpt":{"rendered":"

IT\u30b3\u30fc\u30c7\u30a3\u30cd\u30fc\u30bf\u306e\u30b7\u30e5\u30a6\u3067\u3059\u3002 \u3058\u3083\u30fc\u3093\u3002\u307e\u305f\u3001\u30d6\u30eb\u30fc\u30c8\u30ec\u30a4\u30f3\u300c\u5317\u6597\u661f\u300d\u306e\u5199\u771f\u3092\u8f09\u305b\u3066\u307f\u307e\u3057\u305f\u3002\u3055\u305e\u304b\u3057\u3001\u5317\u6597\u661f\u306e\u30d5\u30a1\u30f3\u304b\u3001\u9244\u9053\u30de\u30cb\u30a2\u3068\u601d\u308f\u308c\u308b\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u304c\u3001\u5b9f\u306f\u305d\u3046\u3044\u3046\u8a33\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u5e30\u5b85\u9014\u4e2d\u306e\u99c5\u3067\u3001\u305f\u304f\u3055\u3093\u306e […]<\/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":[21,9],"tags":[],"class_list":["post-581","post","type-post","status-publish","format-standard","hentry","category-select","category-9"],"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\/581","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=581"}],"version-history":[{"count":9,"href":"https:\/\/www.dbsheetclient.jp\/blog\/index.php?rest_route=\/wp\/v2\/posts\/581\/revisions"}],"predecessor-version":[{"id":1962,"href":"https:\/\/www.dbsheetclient.jp\/blog\/index.php?rest_route=\/wp\/v2\/posts\/581\/revisions\/1962"}],"wp:attachment":[{"href":"https:\/\/www.dbsheetclient.jp\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=581"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.dbsheetclient.jp\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=581"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.dbsheetclient.jp\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=581"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}