{"id":139818,"date":"2024-10-31T20:01:21","date_gmt":"2024-10-31T12:01:21","guid":{"rendered":"https:\/\/server.hk\/cnblog\/139818\/"},"modified":"2024-10-31T20:01:22","modified_gmt":"2024-10-31T12:01:22","slug":"sql-server%e6%95%b8%e6%93%9a%e6%8c%96%e6%8e%98%e4%b9%8b%e7%90%86%e8%a7%a3%e8%81%9a%e9%a1%9e%e7%ae%97%e6%b3%95%e5%92%8c%e9%a0%86%e5%ba%8f%e8%81%9a%e9%a1%9e%e7%ae%97%e6%b3%95","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/139818\/","title":{"rendered":"SQL SERVER\u6578\u64da\u6316\u6398\u4e4b\u7406\u89e3\u805a\u985e\u7b97\u6cd5\u548c\u9806\u5e8f\u805a\u985e\u7b97\u6cd5"},"content":{"rendered":"<h1 id=\"sql-server%e6%95%b8%e6%93%9a%e6%8c%96%e6%8e%98%e4%b9%8b%e7%90%86%e8%a7%a3%e8%81%9a%e9%a1%9e%e7%ae%97%e6%b3%95%e5%92%8c%e9%a0%86%e5%ba%8f%e8%81%9a%e9%a1%9e%e7%ae%97%e6%b3%95-UeNwpADqlY\">SQL SERVER\u6578\u64da\u6316\u6398\u4e4b\u7406\u89e3\u805a\u985e\u7b97\u6cd5\u548c\u9806\u5e8f\u805a\u985e\u7b97\u6cd5<\/h1>\n<p>\u5728\u7576\u4eca\u6578\u64da\u9a45\u52d5\u7684\u4e16\u754c\u4e2d\uff0c\u6578\u64da\u6316\u6398\u6280\u8853\u5df2\u6210\u70ba\u4f01\u696d\u5206\u6790\u548c\u7406\u89e3\u6578\u64da\u7684\u91cd\u8981\u5de5\u5177\u3002SQL Server\u4f5c\u70ba\u4e00\u500b\u5f37\u5927\u7684\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\uff0c\u63d0\u4f9b\u4e86\u591a\u7a2e\u6578\u64da\u6316\u6398\u7b97\u6cd5\uff0c\u5176\u4e2d\u805a\u985e\u7b97\u6cd5\u548c\u9806\u5e8f\u805a\u985e\u7b97\u6cd5\u662f\u6700\u5e38\u7528\u7684\u5169\u7a2e\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0e\u9019\u5169\u7a2e\u7b97\u6cd5\u7684\u57fa\u672c\u6982\u5ff5\u3001\u61c9\u7528\u5834\u666f\u53ca\u5176\u5728SQL Server\u4e2d\u7684\u5be6\u73fe\u65b9\u5f0f\u3002<\/p>\n<h2 id=\"%e8%81%9a%e9%a1%9e%e7%ae%97%e6%b3%95%e6%a6%82%e8%bf%b0-UeNwpADqlY\">\u805a\u985e\u7b97\u6cd5\u6982\u8ff0<\/h2>\n<p>\u805a\u985e\u7b97\u6cd5\u662f\u4e00\u7a2e\u7121\u76e3\u7763\u5b78\u7fd2\u6280\u8853\uff0c\u65e8\u5728\u5c07\u6578\u64da\u96c6\u4e2d\u7684\u6578\u64da\u9ede\u6839\u64da\u5176\u7279\u5fb5\u76f8\u4f3c\u6027\u5206\u7d44\u3002\u9019\u4e9b\u7d44\u7a31\u70ba\u201c\u805a\u985e\u201d\u3002\u805a\u985e\u7b97\u6cd5\u7684\u4e3b\u8981\u76ee\u7684\u662f\u767c\u73fe\u6578\u64da\u4e2d\u7684\u5167\u90e8\u7d50\u69cb\uff0c\u4e26\u5c07\u76f8\u4f3c\u7684\u6578\u64da\u9ede\u6b78\u985e\u5728\u4e00\u8d77\u3002\u5e38\u898b\u7684\u805a\u985e\u7b97\u6cd5\u5305\u62ecK-means\u3001\u5c64\u6b21\u805a\u985e\u548cDBSCAN\u7b49\u3002<\/p>\n<h3 id=\"k-means%e8%81%9a%e9%a1%9e-UeNwpADqlY\">K-means\u805a\u985e<\/h3>\n<p>K-means\u662f\u4e00\u7a2e\u7c21\u55ae\u800c\u6709\u6548\u7684\u805a\u985e\u7b97\u6cd5\u3002\u5176\u57fa\u672c\u6b65\u9a5f\u5982\u4e0b\uff1a<\/p>\n<ol>\n<li>\u9078\u64c7K\u500b\u521d\u59cb\u805a\u985e\u4e2d\u5fc3\u3002<\/li>\n<li>\u5c07\u6bcf\u500b\u6578\u64da\u9ede\u5206\u914d\u5230\u6700\u8fd1\u7684\u805a\u985e\u4e2d\u5fc3\u3002<\/li>\n<li>\u91cd\u65b0\u8a08\u7b97\u6bcf\u500b\u805a\u985e\u7684\u4e2d\u5fc3\u3002<\/li>\n<li>\u91cd\u8907\u6b65\u9a5f2\u548c3\uff0c\u76f4\u5230\u805a\u985e\u4e2d\u5fc3\u4e0d\u518d\u8b8a\u5316\u3002<\/li>\n<\/ol>\n<p>\u5728SQL Server\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0bT-SQL\u8a9e\u53e5\u4f86\u5be6\u73feK-means\u805a\u985e\uff1a<\/p>\n<pre><code>\n-- \u5275\u5efa\u6578\u64da\u6316\u6398\u6a21\u578b\nCREATE MINING MODEL KMeansModel\n(\n    Feature1 FLOAT,\n    Feature2 FLOAT,\n    ...\n)\nUSING Microsoft_Clustering\nWITH (CLUSTER_COUNT = 3);\n<\/code><\/pre>\n<h2 id=\"%e9%a0%86%e5%ba%8f%e8%81%9a%e9%a1%9e%e7%ae%97%e6%b3%95%e6%a6%82%e8%bf%b0-UeNwpADqlY\">\u9806\u5e8f\u805a\u985e\u7b97\u6cd5\u6982\u8ff0<\/h2>\n<p>\u9806\u5e8f\u805a\u985e\u7b97\u6cd5\u662f\u4e00\u7a2e\u5c08\u9580\u7528\u65bc\u8655\u7406\u6642\u9593\u5e8f\u5217\u6578\u64da\u7684\u805a\u985e\u6280\u8853\u3002\u5b83\u8003\u616e\u4e86\u6578\u64da\u9ede\u4e4b\u9593\u7684\u6642\u9593\u9806\u5e8f\uff0c\u4e26\u6839\u64da\u6642\u9593\u5e8f\u5217\u7684\u76f8\u4f3c\u6027\u5c07\u6578\u64da\u9ede\u5206\u7d44\u3002\u9019\u7a2e\u7b97\u6cd5\u7279\u5225\u9069\u5408\u65bc\u91d1\u878d\u5e02\u5834\u5206\u6790\u3001\u6c23\u8c61\u9810\u6e2c\u7b49\u9700\u8981\u8003\u616e\u6642\u9593\u56e0\u7d20\u7684\u61c9\u7528\u5834\u666f\u3002<\/p>\n<h3 id=\"%e6%99%82%e9%96%93%e5%ba%8f%e5%88%97%e8%81%9a%e9%a1%9e-UeNwpADqlY\">\u6642\u9593\u5e8f\u5217\u805a\u985e<\/h3>\n<p>\u5728SQL Server\u4e2d\uff0c\u9806\u5e8f\u805a\u985e\u53ef\u4ee5\u901a\u904e\u6642\u9593\u5e8f\u5217\u6578\u64da\u7684\u7279\u5fb5\u63d0\u53d6\u548c\u805a\u985e\u7b97\u6cd5\u7684\u7d50\u5408\u4f86\u5be6\u73fe\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684\u793a\u4f8b\uff0c\u5c55\u793a\u5982\u4f55\u4f7f\u7528SQL Server\u9032\u884c\u6642\u9593\u5e8f\u5217\u6578\u64da\u7684\u805a\u985e\uff1a<\/p>\n<pre><code>\n-- \u5275\u5efa\u6642\u9593\u5e8f\u5217\u6578\u64da\u6a21\u578b\nCREATE MINING MODEL TimeSeriesModel\n(\n    TimeStamp DATETIME,\n    Value FLOAT\n)\nUSING Microsoft_TimeSeries;\n<\/code><\/pre>\n<p>\u5728\u9019\u500b\u6a21\u578b\u4e2d\uff0cTimeStamp\u8868\u793a\u6642\u9593\u6233\uff0c\u800cValue\u5247\u662f\u5c0d\u61c9\u7684\u6578\u503c\u3002\u901a\u904e\u9019\u7a2e\u65b9\u5f0f\uff0c\u6211\u5011\u53ef\u4ee5\u5206\u6790\u6642\u9593\u5e8f\u5217\u6578\u64da\u7684\u8da8\u52e2\u548c\u6a21\u5f0f\uff0c\u4e26\u9032\u884c\u76f8\u61c9\u7684\u805a\u985e\u5206\u6790\u3002<\/p>\n<h2 id=\"%e8%81%9a%e9%a1%9e%e7%ae%97%e6%b3%95%e7%9a%84%e6%87%89%e7%94%a8%e5%a0%b4%e6%99%af-UeNwpADqlY\">\u805a\u985e\u7b97\u6cd5\u7684\u61c9\u7528\u5834\u666f<\/h2>\n<p>\u805a\u985e\u7b97\u6cd5\u5728\u5404\u884c\u5404\u696d\u4e2d\u90fd\u6709\u5ee3\u6cdb\u7684\u61c9\u7528\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u898b\u7684\u61c9\u7528\u5834\u666f\uff1a<\/p>\n<ul>\n<li><strong>\u5e02\u5834\u7d30\u5206\uff1a<\/strong>\u4f01\u696d\u53ef\u4ee5\u6839\u64da\u5ba2\u6236\u7684\u8cfc\u8cb7\u884c\u70ba\u9032\u884c\u5e02\u5834\u7d30\u5206\uff0c\u5f9e\u800c\u5236\u5b9a\u91dd\u5c0d\u6027\u7684\u71df\u92b7\u7b56\u7565\u3002<\/li>\n<li><strong>\u7570\u5e38\u6aa2\u6e2c\uff1a<\/strong>\u901a\u904e\u805a\u985e\u5206\u6790\uff0c\u4f01\u696d\u53ef\u4ee5\u8b58\u5225\u51fa\u7570\u5e38\u884c\u70ba\uff0c\u5f9e\u800c\u53ca\u6642\u63a1\u53d6\u63aa\u65bd\u3002<\/li>\n<li><strong>\u793e\u4ea4\u7db2\u7d61\u5206\u6790\uff1a<\/strong>\u805a\u985e\u7b97\u6cd5\u53ef\u4ee5\u5e6b\u52a9\u5206\u6790\u793e\u4ea4\u7db2\u7d61\u4e2d\u7684\u7528\u6236\u884c\u70ba\uff0c\u767c\u73fe\u6f5b\u5728\u7684\u793e\u4ea4\u7fa4\u9ad4\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-UeNwpADqlY\">\u7e3d\u7d50<\/h2>\n<p>\u805a\u985e\u7b97\u6cd5\u548c\u9806\u5e8f\u805a\u985e\u7b97\u6cd5\u662f\u6578\u64da\u6316\u6398\u4e2d\u4e0d\u53ef\u6216\u7f3a\u7684\u5de5\u5177\uff0c\u80fd\u5920\u5e6b\u52a9\u4f01\u696d\u5f9e\u5927\u91cf\u6578\u64da\u4e2d\u63d0\u53d6\u6709\u50f9\u503c\u7684\u4fe1\u606f\u3002\u901a\u904e\u5728SQL Server\u4e2d\u5be6\u73fe\u9019\u4e9b\u7b97\u6cd5\uff0c\u4f01\u696d\u53ef\u4ee5\u66f4\u597d\u5730\u7406\u89e3\u5176\u6578\u64da\uff0c\u4e26\u505a\u51fa\u66f4\u660e\u667a\u7684\u6c7a\u7b56\u3002\u5982\u679c\u60a8\u5c0d\u65bc\u5982\u4f55\u5728\u96f2\u7aef\u74b0\u5883\u4e2d\u904b\u884c\u9019\u4e9b\u6578\u64da\u6316\u6398\u6a21\u578b\u611f\u8208\u8da3\uff0c\u8acb\u8003\u616e\u4f7f\u7528\u6211\u5011\u7684<a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a>\u670d\u52d9\uff0c\u70ba\u60a8\u7684\u6578\u64da\u5206\u6790\u63d0\u4f9b\u7a69\u5b9a\u7684\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22SQL Server\u4e2d\u7684\u6578\u64da\u6316\u6398\u6280\u8853\uff0c\u6df1\u5165\u7406\u89e3\u805a\u985e\u7b97\u6cd5\u8207\u9806\u5e8f\u805a\u985e\u7b97\u6cd5\u7684\u539f\u7406\u8207\u61c9\u7528\u3002<\/p>\n","protected":false},"author":0,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-139818","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/139818","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=139818"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/139818\/revisions"}],"predecessor-version":[{"id":139819,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/139818\/revisions\/139819"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=139818"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=139818"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=139818"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}