{"id":268,"date":"2014-09-27T13:28:56","date_gmt":"2014-09-27T04:28:56","guid":{"rendered":"http:\/\/www.dbsheetclient.jp\/blog\/?p=268"},"modified":"2018-06-27T16:29:42","modified_gmt":"2018-06-27T07:29:42","slug":"rank-dense_rank","status":"publish","type":"post","link":"https:\/\/www.dbsheetclient.jp\/blog\/?p=268","title":{"rendered":"RANK, DENSE_RANK"},"content":{"rendered":"

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

\"IMG_1063\"<\/a><\/p>\n

\u95a2\u6771\u6700\u53e4\u306e\u795e\u793e\u306e\u4e00\u3064\u3068\u8a00\u308f\u308c\u308b\u9df2\u5bae\u795e\u793e\u306e\u300e\u571f\u5e2b\u796d\u300f(\u306f\u3058\u3055\u3044)\u304c9\u6708\u6700\u521d\u306e\u65e5\u66dc\u65e5(9\/7)\u306b\u884c\u308f\u308c\u305f\u3068\u304d\u306e\u5199\u771f\u3067\u3059\u3002\u5343\u8cab\u795e\u8f3f\u3068\u3044\u3046\u5927\u304d\u306a\u795e\u8f3f\u3092\u62c5\u3044\u3067\u901a\u308a\u3092\u7df4\u308a\u6b69\u304f\u59ff\u306f\u7d50\u69cb\u8feb\u529b\u304c\u3042\u308a\u307e\u3059\u3002
\u307e\u305f\u3001\u9df2\u5bae\u795e\u793e\u306f\u4eba\u6c17\u307e\u3093\u304c\u4f5c\u54c1\u300e\u3089\u304d\u2606\u3059\u305f\u300f\u306e\u821e\u53f0\u3068\u306a\u3063\u305f\u795e\u793e\u3067\u3042\u308a\u3001\u8056\u5730\u3068\u547c\u3070\u308c\u308b\u3060\u3051\u3042\u3063\u3066\u3001\u304a\u796d\u308a\u306b\u306f\u5730\u5143\u306e\u65b9\u3060\u3051\u3067\u306a\u304f\u3001\u300e\u3089\u304d\u2606\u3059\u305f\u300f\u30d5\u30a1\u30f3\u306e\u7686\u3055\u3093\u3084\u3001\u30a2\u30cb\u30e1\u306e\u767b\u5834\u4eba\u7269\u3084\u30ad\u30e3\u30e9\u30af\u30bf\u30fc\u306b\u626e\u3059\u308b\u30b3\u30b9\u30d7\u30ec\u59ff\u306e\u82e5\u8005\u306a\u3069\u304c\u5927\u52e2\u8a2a\u308c\u3001\u8cd1\u308f\u3063\u3066\u3044\u307e\u3057\u305f\u306d\u3002<\/p>\n

\"\u9df2\u5bae\u795e\u793e\u3068\u308a\u3044\"<\/a>\u3000\u3000\"\u9df2\u5bae\u795e\u793e\u672c\u6bbf\"<\/a>
\u666e\u6bb5\u306e\u9df2\u5bae\u795e\u793e\u306e\u9ce5\u5c45\u3068\u672c\u6bbf\u3067\u3059\u3002<\/p>\n

\uff1c\u672c\u65e5\u306e\u984c\u6750\uff1e
<\/strong>RANK\u3001DENSE_RANK<\/strong><\/p>\n

\u9806\u4f4d\u4ed8\uff08\u30e9\u30f3\u30ad\u30f3\u30b0\uff09\u95a2\u6570\u306b\u3001\u4ee5\u524d\u984c\u6750\u306b\u3042\u3052\u305f\u3053\u3068\u306e\u3042\u308bROW_NUMBER\u95a2\u6570\u3001\u305d\u308c\u306bRANK\u95a2\u6570\u3001DENSE_RANK\u95a2\u6570\u306a\u3069\u304c\u3042\u308a\u307e\u3059\u3002
ROW_NUMBER\u95a2\u6570\u304c\u5358\u7d14\u306a\u9023\u756a\u3067\u3042\u308b\u306e\u306b\u5bfe\u3057\u3001\u540c\u3058\u5024\u304c\u3042\u3063\u305f\u3068\u304d\u306b\u3001\u540c\u3058\u9806\u4f4d\u3092\u4ed8\u3051\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u306e\u304c\u3001RANK\u3001DENSE_RANK\u95a2\u6570\u3067\u3059\u3002\u4e21\u8005\u306e\u9055\u3044\u306f\u3001\u540c\u3058\u5024\u304c\u3042\u3063\u305f\u3068\u304d\u306e\u6b21\u306e\u5024\u306e\u9806\u4f4d\u3092\u98db\u3070\u3057\u305f\u5024\u306b\u3059\u308b\u306e\u304cRANK\u3001\u9023\u7d9a\u3057\u305f\u5024\u306b\u3059\u308b\u306e\u304cDENSE_RANK\u3067\u3059\u3002<\/span><\/p>\n

\u4f8b\u3068\u3057\u3066\u4e0b\u8a18\u306e\u3088\u3046\u306a\u5546\u54c1\u30de\u30b9\u30bf\u3092\u4f5c\u6210 (SQL Server2008\u306e\u74b0\u5883)\u3057\u307e\u3059\u3002<\/p>\n

CREATE TABLE dbo.\u5546\u54c1\u30de\u30b9\u30bf(
\u5546\u54c1CD VARCHAR(10)
, \u5546\u54c1\u540d VARCHAR(20)
, \u5206\u985e VARCHAR(20)
, \u5024\u6bb5 DECIMAL(10)
, CONSTRAINT PK_\u5546\u54c1\u30de\u30b9\u30bf PRIMARY KEY (\u5546\u54c1CD));<\/p>\n

\u30c7\u30fc\u30bf\u304c\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u5834\u5408\uff1a
SELECT * FROM dbo.\u5546\u54c1\u30de\u30b9\u30bf
ORDER BY \u5546\u54c1CD;
\"\u5546\u54c1\u30de\u30b9\u30bf\"<\/a><\/p>\n

\u5546\u54c1\u30de\u30b9\u30bf\u306e\u5546\u54c1\u3092\u5024\u6bb5\u306e\u9ad8\u3044\u9806\u306b\u8868\u793a\u3057\u305f\u3044\u3068\u304d\u306b\u3001\u540c\u3058\u5024\u304c\u3042\u3063\u305f\u3068\u304d\u306e\u6b21\u306e\u5024\u306e\u9806\u4f4d\u3092\u98db\u3070\u3057\u305f\u5024\u306b\u3059\u308bRANK\u95a2\u6570\u3092\u4f7f\u7528\u3057\u305f\u5834\u5408\uff1a<\/p>\n

SELECT
RANK() OVER (ORDER BY \u5024\u6bb5 DESC) RANK\u9806\u4f4d
, \u5546\u54c1CD, \u5546\u54c1\u540d, \u5206\u985e, \u5024\u6bb5
FROM dbo.\u5546\u54c1\u30de\u30b9\u30bf;
\"rank\u9806\u4f4d\"<\/a>
<\/a>
\u540c\u3058\u5024\u304c\u3042\u3063\u305f\u3068\u304d\u306e\u6b21\u306e\u5024\u306e\u9806\u4f4d\u3092\u9023\u7d9a\u3057\u305f\u5024\u306b\u3059\u308bDENSE_RANK\u95a2\u6570\u3092\u4f7f\u7528\u3057\u305f\u3068\u304d\u3001<\/p>\n

SELECT
DENSE_RANK() OVER (ORDER BY \u5024\u6bb5 DESC) DENSE_RANK\u9806\u4f4d
, \u5546\u54c1CD, \u5546\u54c1\u540d, \u5206\u985e, \u5024\u6bb5
FROM dbo.\u5546\u54c1\u30de\u30b9\u30bf;
\"dense_rank\u9806\u4f4d\"<\/a><\/p>\n

ROW_NUMBER\u3001RANK\u3001DENSE_RANK\u3092\u4e00\u7dd2\u306b\u4e26\u3079\u3066\u4f7f\u7528\u3057\u305f\u5834\u5408\u3001
SELECT
ROW_NUMBER() OVER (ORDER BY \u5024\u6bb5 DESC) ROW_NUMBER\u9806\u4f4d
, RANK() OVER (ORDER BY \u5024\u6bb5 DESC) RANK\u9806\u4f4d
, DENSE_RANK() OVER (ORDER BY \u5024\u6bb5 DESC) DENSE_RANK\u9806\u4f4d
, \u5546\u54c1CD, \u5546\u54c1\u540d, \u5206\u985e, \u5024\u6bb5
FROM dbo.\u5546\u54c1\u30de\u30b9\u30bf;
\"\u9806\u4f4d\u4ed8\"<\/a><\/p>\n

\u307e\u305f\u3001\u3053\u308c\u3089\u306e\u95a2\u6570\u306f\u3001PARTITION BY\u53e5\u3068\u4e00\u7dd2\u306b\u4f7f\u7528\u3059\u308b\u3068\u3001\u30b0\u30eb\u30fc\u30d7\u5316\u3057\u3066\u30e9\u30f3\u30ad\u30f3\u30b0\u3092\u62bd\u51fa\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n

SELECT
ROW_NUMBER() OVER (PARTITION BY \u5206\u985e ORDER BY \u5024\u6bb5 DESC) ROW_NUMBER\u9806\u4f4d
, RANK() OVER (PARTITION BY \u5206\u985e ORDER BY \u5024\u6bb5 DESC) RANK\u9806\u4f4d
, DENSE_RANK() OVER (PARTITION BY \u5206\u985e ORDER BY \u5024\u6bb5 DESC) DENSE_RANK\u9806\u4f4d
,\u5546\u54c1CD,\u5546\u54c1\u540d,\u5206\u985e,\u5024\u6bb5
FROM dbo.\u5546\u54c1\u30de\u30b9\u30bf;
\"parttion_by\u9806\u4f4d\u4ed8\"<\/a><\/p>\n

\u4e0a\u8a18\u7d50\u679c\u306e\u3088\u3046\u306b\u3001\u5206\u985e\u3054\u3068\u306b\u30b0\u30eb\u30fc\u30d7\u5316\u3057\u3066\u3001\u305d\u308c\u305e\u308c\u306e\u95a2\u6570\u306e\u30e9\u30f3\u30ad\u30f3\u30b0\u3092\u53d6\u5f97\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u4eca\u56de\u306fSQL Server\u3067\u78ba\u8a8d\u3057\u307e\u3057\u305f\u304c\u3001\u57fa\u672c\u7684\u306bOracle\u3067\u3082\u540c\u69d8\u3067\u3059\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 \u95a2\u6771\u6700\u53e4\u306e\u795e\u793e\u306e\u4e00\u3064\u3068\u8a00\u308f\u308c\u308b\u9df2\u5bae\u795e\u793e\u306e\u300e\u571f\u5e2b\u796d\u300f(\u306f\u3058\u3055\u3044)\u304c9\u6708\u6700\u521d\u306e\u65e5\u66dc\u65e5(9\/7)\u306b\u884c\u308f\u308c\u305f\u3068\u304d\u306e\u5199\u771f\u3067\u3059\u3002\u5343\u8cab\u795e\u8f3f\u3068\u3044\u3046\u5927\u304d\u306a\u795e\u8f3f\u3092\u62c5\u3044\u3067\u901a\u308a\u3092\u7df4\u308a\u6b69\u304f\u59ff\u306f\u7d50\u69cb\u8feb\u529b\u304c\u3042\u308a\u307e\u3059\u3002 […]<\/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":[9],"tags":[],"class_list":["post-268","post","type-post","status-publish","format-standard","hentry","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\/268","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=268"}],"version-history":[{"count":8,"href":"https:\/\/www.dbsheetclient.jp\/blog\/index.php?rest_route=\/wp\/v2\/posts\/268\/revisions"}],"predecessor-version":[{"id":1979,"href":"https:\/\/www.dbsheetclient.jp\/blog\/index.php?rest_route=\/wp\/v2\/posts\/268\/revisions\/1979"}],"wp:attachment":[{"href":"https:\/\/www.dbsheetclient.jp\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=268"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.dbsheetclient.jp\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=268"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.dbsheetclient.jp\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=268"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}