{"id":317221,"date":"2024-01-19T20:21:50","date_gmt":"2024-01-19T12:21:50","guid":{"rendered":"https:\/\/www.idc.net\/help\/317221\/"},"modified":"2024-01-19T20:21:50","modified_gmt":"2024-01-19T12:21:50","slug":"%e5%af%b9sql-server%e6%95%b0%e6%8d%ae%e5%ba%93%e4%b8%ad%e4%b8%a4%e4%b8%aa%e7%bb%86%e8%8a%82%e7%9a%84%e6%8f%8f%e8%bf%b0-2","status":"publish","type":"post","link":"https:\/\/idc.net\/help\/317221\/","title":{"rendered":"\u5bf9SQL Server\u6570\u636e\u5e93\u4e2d\u4e24\u4e2a\u7ec6\u8282\u7684\u63cf\u8ff0"},"content":{"rendered":"

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\u8fd9\u91cc\u5206\u4eab\u4e00\u4e0bSQL Server\u81ea2000\u7248\u672c\u540e\u63d0\u4f9b\u7684\u4e00\u4e9b\u7279\u8272\u5904\u7406\u65b9\u5f0f\uff1a<\/p>\n

TOP N\u6392\u5e8f<\/strong><\/p>\n

\u65b0\u7684TOP N\u5f15\u64ce\u53ef\u4ee5\u51cf\u5c11\u4ee5\u5f80\u5148sort\u518dtop n\u7684\u8d1f\u8f7d\uff0c\u5f53\u6570\u636e\u8bfb\u5165\u5230Storage Engine\u65f6\u5c31\u5148\u8fc7\u6ee4\u51fatop n\u7684\u8bb0\u5f55\uff0c\u7136\u540e\u5728\u5bf9\u8fd9\u4e9b\u8bb0\u5f55\u8fdb\u884csort\u7b49\u64cd\u4f5c\uff0c\u8fd9\u6837\u7684\u8bbe\u8ba1\u53ef\u4ee5\u5728\u5927\u591a\u6570\u60c5\u51b5\u4e0b\u63d0\u5347\u6548\u7387\uff0c\u7f29\u77ed\u67e5\u8be2\u65f6\u95f4\u3002<\/p>\n

Merry-Go-Round Scans<\/strong><\/p>\n

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\u90a3\u4e48\u5f53user A\u8fdb\u884c\u523060%\u7684\u65f6\u5019user B\u521a\u597d\u5b8c\u621030%\uff0c\u8fd9\u79cd\u8bbe\u8ba1\u53ef\u80fd\u4f1a\u5bfc\u81f4\u5728\u626b\u63cf\u5927\u578b\u6570\u636e\u8868\u7684\u65f6\u5019\u5f15\u8d77\u786c\u76d8\u7684\u5267\u70c8\u9707\u52a8\uff01\u800c\u91c7\u7528Merry-Go-Round\u65b9\u5f0f\uff0c\u5f53user A scan\u523030%\u7684\u65f6\u5019user B\u5f00\u59cb\u4eceA\u7684\u5f53\u524d\u4f4d\u7f6escan\uff0cuser A\u5b8c\u6210\u6574\u4e2a\u64cd\u4f5c\u65f6user B\u5b8c\u6210\u4e8670%\uff0c\u7136\u540e\u518d\u4ece\u9875\u9996\u5f00\u59cbscan\u5269\u4e0b\u768430%\u3002<\/p>\n

\u8fd9\u6837\u4ed6\u4eec\u5c31\u4f7f\u7528\u76f8\u540c\u7684\u67e5\u8be2\u8ba1\u5212\u8bfb\u53d6\u4e86\u90e8\u5206\u6570\u636e\u3002\u8fd9\u79cd\u65b9\u5f0f\u51cf\u5c11\u4e86\u5927\u91cf\u5728\u6781\u7aef\u65f6\u95f4\u5185\u5148\u540e\u67e5\u8be2\u76f8\u540c\u7684\u6570\u636e\u65f6\uff0c\u7cfb\u7edfI\/O\u6765\u56de\u8bfb\u53d6\u7684\u7684\u60c5\u51b5\uff0c\u5728\u589e\u5f3a\u8bfb\u53d6\u901f\u5ea6\u548c\u65e0\u5e8f\u626b\u63cf\u7684\u540c\u65f6\uff0c\u4e5f\u4e0d\u9700\u8981\u540c\u6b65\u4e86\u3002<\/p>\n

Katmai\u5728\u8fd9\u4e24\u65b9\u9762\u6709\u6ca1\u6709\u66f4\u597d\u7684\u6539\u8fdb\u8fd8\u4e0d\u77e5\u9053\uff0c\u6211\u7684SQL Server 2008\u4e00\u76f4\u6ca1\u6cd5\u5b89\u88c5\u6210\u529f\uff0c\u4e5f\u6ca1\u6cd5\u5c1d\u8bd5\u4e00\u4e0b\uff0c\u660e\u5929\u51c6\u5907\u505a\u865a\u673a\u518d\u8bd5\u4e00\u6b21\uff0c\u6709\u76f8\u4f3c\u7ecf\u5386\u7684\u670b\u53cb\u5df2\u7ecf\u89e3\u51b3\u95ee\u9898\u7684\u8fd8\u8bf7\u6307\u6559\u4e00\u4e0b\u3002<\/p>\n

\n

\u4e0a\u8ff0\u7684\u76f8\u5173\u5185\u5bb9\u5c31\u662f\u5bf9\u5173\u4e8eSQL Server\u6570\u636e\u5e93\u7684\u4e24\u4e2a\u7ec6\u8282\u7684\u63cf\u8ff0\uff0c\u5e0c\u671b\u4f1a\u7ed9\u4f60\u5e26\u6765\u4e00\u4e9b\u5e2e\u52a9\u5728\u6b64\u65b9\u9762\u3002<\/p>\n

\u3010\u7f16\u8f91\u63a8\u8350\u3011<\/p>\n

    \n
  1. SQL Server\u4e3b\u952e\u5217\u7684\u6b63\u786e\u67e5\u770b\u65b9\u5f0f<\/li>\n
  2. SQL Server\u5220\u9664\u7fa4\u96c6\u7684\u5b9e\u4f8b\u6f14\u793a<\/li>\n
  3. \u5bf9SQL Server\u6570\u636e\u5e93\u4e0eXML\u652f\u6301\u7684\u6b63\u786e\u7406\u89e3<\/li>\n
  4. \u89e3\u51b3SQL Server\u6570\u636e\u5e93\u4e2d\u7684\u5b89\u5168\u7591\u96be\u95ee\u9898\u7684\u65b9\u6848<\/li>\n
  5. SQL Server \u6d4f\u89c8\u5668\u7684\u6b63\u786e\u5e94\u7528<\/li>\n<\/ol>\n","protected":false},"excerpt":{"rendered":"

    \u4ee5\u4e0b\u7684\u6587\u7ae0\u4e3b\u8981\u50cf\u5927\u5bb6\u8bb2\u8ff0\u7684\u662fSQL Server\u6570\u636e\u5e93\u4e2d\u7684\u4e24\u4e2a\u7ec6\u8282\uff0c\u524d\u6bb5\u65f6\u95f4\u6211\u770b\u5230\u4e86\u56ed\u5b50\u7684\u670b\u53cb\u5728\u5bf9SQL Se […]<\/p>\n","protected":false},"author":1,"featured_media":317223,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[7038],"tags":[],"class_list":["post-317221","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/posts\/317221","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/comments?post=317221"}],"version-history":[{"count":0,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/posts\/317221\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/media\/317223"}],"wp:attachment":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/media?parent=317221"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/categories?post=317221"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/tags?post=317221"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}