{"id":161,"date":"2014-06-18T19:16:28","date_gmt":"2014-06-18T10:16:28","guid":{"rendered":"http:\/\/www.dbsheetclient.jp\/blog\/?p=161"},"modified":"2018-06-27T16:49:14","modified_gmt":"2018-06-27T07:49:14","slug":"select-top%e5%8f%a5%e3%81%ab%e3%81%a4%e3%81%84%e3%81%a6","status":"publish","type":"post","link":"https:\/\/www.dbsheetclient.jp\/blog\/?p=161","title":{"rendered":"SELECT TOP\u53e5\u306b\u3064\u3044\u3066"},"content":{"rendered":"

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

\"1402143571315\"<\/a><\/p>\n

\u3044\u3088\u3044\u3088\u30b5\u30c3\u30ab\u30fc\u30ef\u30fc\u30eb\u30c9\u30ab\u30c3\u30d7\u304c\u59cb\u307e\u308a\u307e\u3057\u305f\u3002
\u4eca\u56de\u306f\u3001\u9006\u8ee2\u52dd\u3061\u306e\u8a66\u5408\u3082\u7d50\u69cb\u591a\u3044\u3088\u3046\u3067\u3059\u306d\u3002\u30b9\u30da\u30a4\u30f3\u304c\u30aa\u30e9\u30f3\u30c0\u306b5\u5bfe1\u3067\u6557\u308c\u305f\u885d\u6483\u7684\u306a\u8a66\u5408\u3082\u3042\u308a\u307e\u3057\u305f\u3002\u65e5\u672c\u3082\u521d\u6226\u306e\u30b3\u30fc\u30c8\u30b8\u30dc\u30a2\u30fc\u30eb\u6226\u306f\u9006\u8ee2\u8ca0\u3051\u3057\u3066\u3057\u307e\u3044\u307e\u3057\u305f\u304c\u30012\u6226\u76ee\u306e\u30ae\u30ea\u30b7\u30e3\u6226\u306f\u3001\u662f\u975e\u52dd\u5229\u3092\u98fe\u3063\u3066\u307b\u3057\u3044\u3082\u306e\u3067\u3059\u3002<\/span><\/p>\n


\uff1c\u672c\u65e5\u306e\u984c\u6750\uff1e
<\/strong>SELECT\u306eTOP\u53e5\u306b\u3064\u3044\u3066<\/p>\n

Microsoft SQL Server\u306e\u5834\u5408\u306b\u306f\u3001SELECT\u3067\u306e\u30af\u30a8\u30ea\u306e\u7d50\u679c\u306e\u884c\u6570\u3092\u6307\u5b9a\u3057\u305f\u884c\u6570\u3001\u307e\u305f\u306f\u5272\u5408(\u4f55\u30d1\u30fc\u30bb\u30f3\u30c8\u304b)\u306b\u5236\u9650\u3059\u308bTOP\u53e5\u3068\u3044\u3046\u4fbf\u5229\u306a\u3082\u306e\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n

\u4eca\u56de\u306f\u3053\u308c\u306b\u3064\u3044\u3066\u898b\u3066\u307f\u305f\u3044\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n

\u4f8b\uff09\u4eca\u65e5\u306e\u53d7\u6ce8\u30c6\u30fc\u30d6\u30eb\u304b\u3089\u5148\u982d5\u4ef6\u3092\u62bd\u51fa\u3059\u308b\u3002
SELECT TOP 5 * FROM \u53d7\u6ce8\u30c6\u30fc\u30d6\u30eb
WHERE \u53d7\u6ce8\u65e5 = CONVERT(CHAR(8) , GETDATE(), 112);<\/p>\n

\"sqlserver_9\u56de\u76ee_1\"<\/a><\/p>\n

\u4f8b\uff09\u5148\u982d\u306e5%\u3092\u62bd\u51fa\u3059\u308b\u3068\u3044\u3046\u5834\u5408\u306f\u4ee5\u4e0b\uff1a
SELECT TOP 5 percent * FROM \u53d7\u6ce8\u30c6\u30fc\u30d6\u30eb
<\/span>WHERE \u53d7\u6ce8\u65e5 = CONVERT(CHAR(8) , GETDATE(), 112);<\/span><\/p>\n

\u3053\u308c\u3092\u3001\u3055\u3089\u306b\u3001\u9867\u5ba2\u756a\u53f7\u9806\u306b\u4e26\u3079\u305f\u6700\u521d\u306e5\u4ef6\u3092\u8868\u793a\u3057\u305f\u3044\u3068\u3044\u3046\u5834\u5408\u306b\u306f\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n

SELECT TOP 5 * FROM \u53d7\u6ce8\u30c6\u30fc\u30d6\u30eb
WHERE \u53d7\u6ce8\u65e5 = CONVERT(CHAR(8) , GETDATE(), 112)
<\/span>ORDER BY \u9867\u5ba2\u756a\u53f7;<\/span><\/p>\n

\"sqlserver_9\u56de\u76ee_2\"<\/a><\/p>\n

\u7d50\u69cb\u4fbf\u5229\u306b\u4f7f\u3048\u307e\u3059\u3002
\u6b21\u56de\u306f\u3001\u3053\u308c\u3092Oracle\u3067\u8868\u73fe\u3059\u308b\u5834\u5408\u3092\u984c\u6750\u306b\u3059\u308b\u4e88\u5b9a\u3067\u3059\u3002<\/span><\/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 \u3044\u3088\u3044\u3088\u30b5\u30c3\u30ab\u30fc\u30ef\u30fc\u30eb\u30c9\u30ab\u30c3\u30d7\u304c\u59cb\u307e\u308a\u307e\u3057\u305f\u3002 \u4eca\u56de\u306f\u3001\u9006\u8ee2\u52dd\u3061\u306e\u8a66\u5408\u3082\u7d50\u69cb\u591a\u3044\u3088\u3046\u3067\u3059\u306d\u3002\u30b9\u30da\u30a4\u30f3\u304c\u30aa\u30e9\u30f3\u30c0\u306b5\u5bfe1\u3067\u6557\u308c\u305f\u885d\u6483\u7684\u306a\u8a66\u5408\u3082\u3042\u308a\u307e\u3057\u305f\u3002\u65e5\u672c\u3082\u521d\u6226\u306e\u30b3\u30fc\u30c8\u30b8\u30dc\u30a2\u30fc\u30eb\u6226\u306f\u9006 […]<\/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-161","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\/161","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=161"}],"version-history":[{"count":8,"href":"https:\/\/www.dbsheetclient.jp\/blog\/index.php?rest_route=\/wp\/v2\/posts\/161\/revisions"}],"predecessor-version":[{"id":1988,"href":"https:\/\/www.dbsheetclient.jp\/blog\/index.php?rest_route=\/wp\/v2\/posts\/161\/revisions\/1988"}],"wp:attachment":[{"href":"https:\/\/www.dbsheetclient.jp\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=161"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.dbsheetclient.jp\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=161"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.dbsheetclient.jp\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=161"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}