{"id":168577,"date":"2024-11-06T13:32:18","date_gmt":"2024-11-06T05:32:18","guid":{"rendered":"https:\/\/server.hk\/cnblog\/168577\/"},"modified":"2024-11-06T13:32:19","modified_gmt":"2024-11-06T05:32:19","slug":"ssis-%e9%ab%98%e7%b4%9a%e8%bd%89%e6%8f%9b%e4%bb%bb%e5%8b%99%e4%b9%8b%e6%bc%b8%e8%ae%8a%e7%b6%ad%e5%ba%a6%e8%a9%b3%e8%a7%a3","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/168577\/","title":{"rendered":"SSIS \u9ad8\u7d1a\u8f49\u63db\u4efb\u52d9\u4e4b\u6f38\u8b8a\u7dad\u5ea6\u8a73\u89e3"},"content":{"rendered":"<h1 id=\"ssis-%e9%ab%98%e7%b4%9a%e8%bd%89%e6%8f%9b%e4%bb%bb%e5%8b%99%e4%b9%8b%e6%bc%b8%e8%ae%8a%e7%b6%ad%e5%ba%a6%e8%a9%b3%e8%a7%a3-eGmLJVYhYB\">SSIS \u9ad8\u7d1a\u8f49\u63db\u4efb\u52d9\u4e4b\u6f38\u8b8a\u7dad\u5ea6\u8a73\u89e3<\/h1>\n<p>\u5728\u6578\u64da\u5009\u5132\u548c\u5546\u696d\u667a\u80fd\u7684\u9818\u57df\u4e2d\uff0c\u6f38\u8b8a\u7dad\u5ea6\uff08Slowly Changing Dimensions, SCD\uff09\u662f\u4e00\u500b\u91cd\u8981\u7684\u6982\u5ff5\u3002\u5b83\u7528\u65bc\u8655\u7406\u96a8\u6642\u9593\u8b8a\u5316\u7684\u6578\u64da\uff0c\u7279\u5225\u662f\u5728\u7dad\u5ea6\u8868\u4e2d\u3002SQL Server Integration Services\uff08SSIS\uff09\u63d0\u4f9b\u4e86\u9ad8\u7d1a\u8f49\u63db\u4efb\u52d9\u4f86\u5e6b\u52a9\u958b\u767c\u8005\u6709\u6548\u5730\u7ba1\u7406\u6f38\u8b8a\u7dad\u5ea6\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0eSSIS\u4e2d\u7684\u6f38\u8b8a\u7dad\u5ea6\uff0c\u4e26\u63d0\u4f9b\u5be6\u7528\u7684\u793a\u4f8b\u548c\u4ee3\u78bc\u7247\u6bb5\u3002<\/p>\n<h2 id=\"%e6%bc%b8%e8%ae%8a%e7%b6%ad%e5%ba%a6%e7%9a%84%e9%a1%9e%e5%9e%8b-eGmLJVYhYB\">\u6f38\u8b8a\u7dad\u5ea6\u7684\u985e\u578b<\/h2>\n<p>\u6f38\u8b8a\u7dad\u5ea6\u4e3b\u8981\u6709\u4e09\u7a2e\u985e\u578b\uff1a<\/p>\n<ul>\n<li><strong>Type 1\uff1a<\/strong>\u76f4\u63a5\u8986\u84cb\u820a\u6578\u64da\uff0c\u7121\u6cd5\u4fdd\u7559\u6b77\u53f2\u8a18\u9304\u3002<\/li>\n<li><strong>Type 2\uff1a<\/strong>\u901a\u904e\u6dfb\u52a0\u65b0\u884c\u4f86\u4fdd\u7559\u6b77\u53f2\u8a18\u9304\uff0c\u4e26\u4f7f\u7528\u6709\u6548\u65e5\u671f\u4f86\u6a19\u8b58\u6578\u64da\u7684\u6709\u6548\u6027\u3002<\/li>\n<li><strong>Type 3\uff1a<\/strong>\u5728\u540c\u4e00\u884c\u4e2d\u4fdd\u7559\u820a\u503c\u548c\u65b0\u503c\uff0c\u901a\u5e38\u7528\u65bc\u53ea\u9700\u8981\u4fdd\u7559\u6709\u9650\u6b77\u53f2\u7684\u60c5\u6cc1\u3002<\/li>\n<\/ul>\n<h2 id=\"ssis%e4%b8%ad%e7%9a%84%e6%bc%b8%e8%ae%8a%e7%b6%ad%e5%ba%a6%e5%af%a6%e7%8f%be-eGmLJVYhYB\">SSIS\u4e2d\u7684\u6f38\u8b8a\u7dad\u5ea6\u5be6\u73fe<\/h2>\n<p>\u5728SSIS\u4e2d\uff0c\u5be6\u73fe\u6f38\u8b8a\u7dad\u5ea6\u7684\u904e\u7a0b\u901a\u5e38\u6d89\u53ca\u4ee5\u4e0b\u6b65\u9a5f\uff1a<\/p>\n<h3 id=\"1-%e6%ba%96%e5%82%99%e6%95%b8%e6%93%9a%e6%b5%81-eGmLJVYhYB\">1. \u6e96\u5099\u6578\u64da\u6d41<\/h3>\n<p>\u9996\u5148\uff0c\u60a8\u9700\u8981\u5f9e\u6578\u64da\u6e90\u63d0\u53d6\u6578\u64da\u3002\u9019\u53ef\u4ee5\u901a\u904e\u4f7f\u7528<code>OLE DB Source<\/code>\u6216<code>ADO.NET Source<\/code>\u4f86\u5b8c\u6210\u3002\u78ba\u4fdd\u63d0\u53d6\u7684\u6578\u64da\u5305\u542b\u6240\u6709\u5fc5\u8981\u7684\u5b57\u6bb5\uff0c\u4f8b\u5982ID\u3001\u540d\u7a31\u3001\u958b\u59cb\u65e5\u671f\u548c\u7d50\u675f\u65e5\u671f\u3002<\/p>\n<h3 id=\"2-%e4%bd%bf%e7%94%a8%e6%9f%a5%e8%a9%a2%e8%bd%89%e6%8f%9b-eGmLJVYhYB\">2. \u4f7f\u7528\u67e5\u8a62\u8f49\u63db<\/h3>\n<p>\u63a5\u4e0b\u4f86\uff0c\u4f7f\u7528<code>Lookup Transformation<\/code>\u4f86\u67e5\u627e\u76ee\u6a19\u7dad\u5ea6\u8868\u4e2d\u7684\u73fe\u6709\u8a18\u9304\u3002\u9019\u5c07\u5e6b\u52a9\u60a8\u78ba\u5b9a\u54ea\u4e9b\u8a18\u9304\u9700\u8981\u66f4\u65b0\u6216\u63d2\u5165\u3002<\/p>\n<pre><code>SELECT * FROM DimensionTable WHERE ID = ?<\/code><\/pre>\n<h3 id=\"3-%e6%a2%9d%e4%bb%b6%e9%82%8f%e8%bc%af%e8%99%95%e7%90%86-eGmLJVYhYB\">3. \u689d\u4ef6\u908f\u8f2f\u8655\u7406<\/h3>\n<p>\u6839\u64da\u67e5\u627e\u7d50\u679c\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528<code>Conditional Split<\/code>\u4f86\u5206\u6d41\u6578\u64da\u3002\u9019\u6a23\u53ef\u4ee5\u6839\u64da\u4e0d\u540c\u7684\u689d\u4ef6\uff08\u4f8b\u5982\uff0c\u662f\u5426\u5b58\u5728\u65bc\u7dad\u5ea6\u8868\u4e2d\uff09\u4f86\u6c7a\u5b9a\u662f\u66f4\u65b0\u9084\u662f\u63d2\u5165\u65b0\u8a18\u9304\u3002<\/p>\n<h3 id=\"4-%e6%9b%b4%e6%96%b0%e5%92%8c%e6%8f%92%e5%85%a5%e6%93%8d%e4%bd%9c-eGmLJVYhYB\">4. \u66f4\u65b0\u548c\u63d2\u5165\u64cd\u4f5c<\/h3>\n<p>\u5c0d\u65bc\u9700\u8981\u66f4\u65b0\u7684\u8a18\u9304\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528<code>OLE DB Command<\/code>\u4f86\u57f7\u884c\u66f4\u65b0\u64cd\u4f5c\u3002\u5c0d\u65bc\u9700\u8981\u63d2\u5165\u7684\u65b0\u8a18\u9304\uff0c\u5247\u4f7f\u7528<code>OLE DB Destination<\/code>\u5c07\u6578\u64da\u5beb\u5165\u7dad\u5ea6\u8868\u3002<\/p>\n<pre><code>UPDATE DimensionTable SET Name = ?, EndDate = ? WHERE ID = ?<\/code><\/pre>\n<h3 id=\"5-%e8%99%95%e7%90%86type-2%e6%bc%b8%e8%ae%8a%e7%b6%ad%e5%ba%a6-eGmLJVYhYB\">5. \u8655\u7406Type 2\u6f38\u8b8a\u7dad\u5ea6<\/h3>\n<p>\u5c0d\u65bcType 2\u6f38\u8b8a\u7dad\u5ea6\uff0c\u60a8\u9700\u8981\u5728\u63d2\u5165\u65b0\u8a18\u9304\u6642\u8a2d\u7f6e\u6709\u6548\u65e5\u671f\u3002\u9019\u901a\u5e38\u6d89\u53ca\u5230\u5c07\u820a\u8a18\u9304\u7684\u7d50\u675f\u65e5\u671f\u8a2d\u7f6e\u70ba\u7576\u524d\u65e5\u671f\uff0c\u4e26\u5c07\u65b0\u8a18\u9304\u7684\u958b\u59cb\u65e5\u671f\u8a2d\u7f6e\u70ba\u7576\u524d\u65e5\u671f\u3002<\/p>\n<pre><code>UPDATE DimensionTable SET EndDate = GETDATE() WHERE ID = ? AND EndDate IS NULL<\/code><\/pre>\n<h2 id=\"%e5%af%a6%e9%9a%9b%e6%a1%88%e4%be%8b-eGmLJVYhYB\">\u5be6\u969b\u6848\u4f8b<\/h2>\n<p>\u5047\u8a2d\u60a8\u6709\u4e00\u500b\u5ba2\u6236\u7dad\u5ea6\u8868\uff0c\u7576\u5ba2\u6236\u7684\u5730\u5740\u767c\u751f\u8b8a\u66f4\u6642\uff0c\u60a8\u5e0c\u671b\u4fdd\u7559\u5176\u6b77\u53f2\u8a18\u9304\u3002\u4f7f\u7528SSIS\uff0c\u60a8\u53ef\u4ee5\u8a2d\u7f6e\u4e00\u500b\u6578\u64da\u6d41\u4efb\u52d9\uff0c\u5f9e\u5ba2\u6236\u6578\u64da\u6e90\u63d0\u53d6\u6578\u64da\uff0c\u7136\u5f8c\u4f7f\u7528\u67e5\u8a62\u8f49\u63db\u548c\u689d\u4ef6\u908f\u8f2f\u4f86\u78ba\u5b9a\u662f\u5426\u9700\u8981\u66f4\u65b0\u6216\u63d2\u5165\u65b0\u8a18\u9304\u3002\u9019\u6a23\uff0c\u60a8\u5c31\u80fd\u5920\u6709\u6548\u5730\u7ba1\u7406\u5ba2\u6236\u7684\u5730\u5740\u8b8a\u66f4\uff0c\u4e26\u4fdd\u7559\u6b77\u53f2\u8a18\u9304\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-eGmLJVYhYB\">\u7e3d\u7d50<\/h2>\n<p>\u6f38\u8b8a\u7dad\u5ea6\u5728\u6578\u64da\u5009\u5132\u4e2d\u626e\u6f14\u8457\u91cd\u8981\u89d2\u8272\uff0cSSIS\u63d0\u4f9b\u4e86\u5f37\u5927\u7684\u5de5\u5177\u4f86\u5be6\u73fe\u9019\u4e00\u529f\u80fd\u3002\u901a\u904e\u6b63\u78ba\u7684\u6578\u64da\u6d41\u8a2d\u8a08\u548c\u8f49\u63db\u4efb\u52d9\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u6709\u6548\u5730\u7ba1\u7406\u6578\u64da\u7684\u6b77\u53f2\u8b8a\u66f4\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u6548\u6578\u64da\u8655\u7406\u7684\u4f01\u696d\u4f86\u8aaa\uff0c\u9078\u64c7\u5408\u9069\u7684<code><a href=\"https:\/\/server.hk\">VPS<\/a><\/code>\u89e3\u6c7a\u65b9\u6848\u5c07\u6709\u52a9\u65bc\u63d0\u5347\u6578\u64da\u8655\u7406\u7684\u6027\u80fd\u548c\u7a69\u5b9a\u6027\u3002\u7121\u8ad6\u662f<code><a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a><\/code>\u9084\u662f\u5176\u4ed6\u985e\u578b\u7684<code><a href=\"https:\/\/server.hk\">\u4f3a\u670d\u5668<\/a><\/code>\uff0c\u90fd\u80fd\u70ba\u60a8\u7684\u6578\u64da\u5009\u5132\u9700\u6c42\u63d0\u4f9b\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6df1\u5165\u63a2\u8a0eSSIS\u9ad8\u7d1a\u8f49\u63db\u4efb\u52d9\u4e2d\u7684\u6f38\u8b8a\u7dad\u5ea6\uff0c\u4e86\u89e3\u5176\u61c9\u7528\u8207\u5be6\u4f5c\u6280\u5de7\uff0c\u63d0\u5347\u6578\u64da\u8655\u7406\u6548\u7387\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-168577","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/168577","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=168577"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/168577\/revisions"}],"predecessor-version":[{"id":168578,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/168577\/revisions\/168578"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=168577"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=168577"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=168577"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}