{"id":131952,"date":"2020-07-06T17:20:13","date_gmt":"2020-07-06T09:20:13","guid":{"rendered":"http:\/\/4563.org\/?p=131952"},"modified":"2020-07-06T17:20:13","modified_gmt":"2020-07-06T09:20:13","slug":"%e6%b5%85%e8%b0%88%e6%95%b0%e4%bb%93%e4%b8%89%e3%80%81%e6%b5%85%e8%b0%88%e6%95%b0%e4%bb%93%e5%88%86%e5%b1%82%e5%92%8c%e6%a8%a1%e5%9e%8b","status":"publish","type":"post","link":"http:\/\/4563.org\/?p=131952","title":{"rendered":"\u6d45\u8c08\u6570\u4ed3\u4e09\u3001\u6d45\u8c08\u6570\u4ed3\u5206\u5c42\u548c\u6a21\u578b"},"content":{"rendered":"<h3><a href=\"https:\/\/www.studytime.xin\/article\/#\u6570\u4ed3\u5206\u5c42\" title=\"\u6570\u4ed3\u5206\u5c42\"><\/a>\u6570\u4ed3\u5206\u5c42<\/h3>\n<h4><a href=\"https:\/\/www.studytime.xin\/article\/#ODS\u5c42\u57fa\u7840\u5c42-ODS\uff08Operational-Data-Store-\u64cd\u4f5c\u578b\u6570\u636e\u5b58\u50a8\uff09\uff1a\u4e3b\u8981\u662f\u672a\u7ecf\u8fc7\u52a0\u2f2f\u7684\u539f\u59cb\u6570\u636e\" title=\"ODS\u5c42\u57fa\u7840\u5c42-ODS\uff08Operational Data Store-\u64cd\u4f5c\u578b\u6570\u636e\u5b58\u50a8\uff09\uff1a\u4e3b\u8981\u662f\u672a\u7ecf\u8fc7\u52a0\u2f2f\u7684\u539f\u59cb\u6570\u636e\"><\/a>ODS\u5c42\u57fa\u7840\u5c42-ODS\uff08Operational Data Store-\u64cd\u4f5c\u578b\u6570\u636e\u5b58\u50a8\uff09\uff1a\u4e3b\u8981\u662f\u672a\u7ecf\u8fc7\u52a0\u2f2f\u7684\u539f\u59cb\u6570\u636e<\/h4>\n<h4><a href=\"https:\/\/www.studytime.xin\/article\/#\u4e2d\u95f4\u5c42-CDM-EDW\uff08Enterprise-Data-Warehouse-\u4f01\u4e1a\u7ea7\u6570\u636e\u4ed3\u5e93\uff0cCommon-Data-Model\uff0c\u516c\u5171\u7ef4\u5ea6\u6a21\u578b\u5c42\uff09\uff1a\" title=\"\u4e2d\u95f4\u5c42-CDMEDW\uff08Enterprise Data Warehouse-\u4f01\u4e1a\u7ea7\u6570\u636e\u4ed3\u5e93\uff0cCommon Data Model\uff0c\u516c\u5171\u7ef4\u5ea6\u6a21\u578b\u5c42\uff09\uff1a\"><\/a>\u4e2d\u95f4\u5c42-CDMEDW\uff08Enterprise Data Warehouse-\u4f01\u4e1a\u7ea7\u6570\u636e\u4ed3\u5e93\uff0cCommon Data Model\uff0c\u516c\u5171\u7ef4\u5ea6\u6a21\u578b\u5c42\uff09\uff1a<\/h4>\n<ul>\n<li>dwd-\u660e\u7ec6\u6574\u5408\u5c42<\/li>\n<li>dws-\u2fbc\u7c92\u5ea6\u6c47\u603b\u5c42\uff0c\u2f00\u822c\u4e3a\u4e3b\u9898\u5bbd\u8868<\/li>\n<li>dim-\u7ef4\u5ea6\u8868<\/li>\n<\/ul>\n<h4><a href=\"https:\/\/www.studytime.xin\/article\/#\u5e94\u2f64\u5c42-ADM\uff08Application-Data-Mart-\u5e94\u2f64\u6570\u636e\u96c6\u5e02\uff09\uff1a\u6570\u636e\u5e94\u2f64\u6216\u6570\u636e\u96c6\u5e02\u6240\u5728\u7684\u5c42\u6b21\u3002\" title=\"\u5e94\u2f64\u5c42-ADM\uff08Application Data Mart-\u5e94\u2f64\u6570\u636e\u96c6\u5e02\uff09\uff1a\u6570\u636e\u5e94\u2f64\u6216\u6570\u636e\u96c6\u5e02\u6240\u5728\u7684\u5c42\u6b21\u3002\"><\/a>\u5e94\u2f64\u5c42-ADM\uff08Application Data Mart-\u5e94\u2f64\u6570\u636e\u96c6\u5e02\uff09\uff1a\u6570\u636e\u5e94\u2f64\u6216\u6570\u636e\u96c6\u5e02\u6240\u5728\u7684\u5c42\u6b21\u3002<\/h4>\n<p><img decoding=\"async\" src=\"http:\/\/4563.org\/wp-content\/uploads\/2020\/07\/20200706_5f036006a5158.png\" alt=\"\u6d45\u8c08\u6570\u4ed3\u4e09\u3001\u6d45\u8c08\u6570\u4ed3\u5206\u5c42\u548c\u6a21\u578b\"><\/p>\n<h3><a href=\"https:\/\/www.studytime.xin\/article\/#\u6570\u4ed3\u5206\u5c42\u610f\u4e49\" title=\"\u6570\u4ed3\u5206\u5c42\u610f\u4e49\"><\/a>\u6570\u4ed3\u5206\u5c42\u610f\u4e49<\/h3>\n<p>\u6570\u4ed3\u4e3a\u7a7a\u95f4\u6362\u65f6\u95f4\uff0c\u901a\u8fc7\u5927\u91cf\u9884\u5904\u7406\uff0c\u63d0\u5347\u7528\u6237\u6570\u636e\u6548\u7387\u4f53\u73b0\u7b49\u3002\u6545\u800c\u5b58\u5728\u5927\u91cf\u6570\u636e\u5197\u4f59\u3002\u5982\u679c\u4e0d\u5206\u5c42\uff0c\u6e90\u4e1a\u52a1\u7cfb\u7edf\u7684\u4e1a\u52a1\u89c4\u5219\u53d1\u751f\u53d8\u5316\u5c06\u4f1a\u5f71\u54cd\u6574\u4e2a\u6570\u636e\u6e05\u6d17\u8fc7\u7a0b\uff0c\u5de5\u4f5c\u91cf\u5de8\u5927\u3002<br \/>\u901a\u8fc7\u6570\u636e\u5206\u5c42\u7ba1\u7406\u53ef\u4ee5\u7b80\u5316\u6570\u636e\u6e05\u6d17\u7684\u8fc7\u7a0b\uff0c\u56e0\u4e3a\u628a\u539f\u6765\u4e00\u6b65\u7684\u5de5\u4f5c\u5206\u5230\u4e86\u591a\u4e2a\u6b65\u9aa4\u53bb\u5b8c\u6210\uff0c\u76f8\u5f53\u4e8e\u628a\u4e00\u4e2a\u590d\u6742\u7684\u5de5\u4f5c\u62c6\u6210\u4e86\u591a\u4e2a\u7b80\u5355\u7684\u5de5\u4f5c\uff0c\u628a\u4e00\u4e2a\u5927\u7684\u9ed1\u76d2\u53d8\u6210\u4e86\u4e00\u4e2a\u767d\u76d2\uff0c\u6bcf\u4e00\u5c42\u7684\u5904\u7406\u903b\u8f91\u90fd\u76f8\u5bf9\u7b80\u5355\u548c\u5bb9\u6613\u7406\u89e3\uff0c\u8fd9\u6837\u6211\u4eec\u6bd4\u8f83\u5bb9\u6613\u4fdd\u8bc1\u6bcf\u4e00\u4e2a\u6b65\u9aa4\u7684\u6b63\u786e\u6027\uff0c\u5f53\u6570\u636e\u53d1\u751f\u9519\u8bef\u7684\u65f6\u5019\uff0c\u5f80\u5f80\u6211\u4eec\u53ea\u9700\u8981\u5c40\u90e8\u8c03\u6574\u67d0\u4e2a\u6b65\u9aa4\u5373\u53ef\u3002<\/p>\n<h3><a href=\"https:\/\/www.studytime.xin\/article\/#\u6570\u4ed3\u5efa\u6a21\" title=\"\u6570\u4ed3\u5efa\u6a21\"><\/a>\u6570\u4ed3\u5efa\u6a21<\/h3>\n<h3><a href=\"https:\/\/www.studytime.xin\/article\/#\u7ef4\u5ea6\u5efa\u6a21\u7684\u57fa\u672c\u6982\u5ff5\" title=\"\u7ef4\u5ea6\u5efa\u6a21\u7684\u57fa\u672c\u6982\u5ff5\"><\/a>\u7ef4\u5ea6\u5efa\u6a21\u7684\u57fa\u672c\u6982\u5ff5<\/h3>\n<p>\u7ef4\u5ea6\u5efa\u6a21(dimensional modeling)\u662f\u4e13\u95e8\u7528\u4e8e\u5206\u6790\u578b\u6570\u636e\u5e93\u3001\u6570\u636e\u4ed3\u5e93\u3001\u6570\u636e\u96c6\u5e02\u5efa\u6a21\u7684\u65b9\u6cd5\u3002<\/p>\n<p>\u5b83\u672c\u8eab\u5c5e\u4e8e\u4e00\u79cd\u5173\u7cfb\u5efa\u6a21\u65b9\u6cd5\uff0c\u4f46\u548c\u4e4b\u524d\u5728\u64cd\u4f5c\u578b\u6570\u636e\u5e93\u4e2d\u4ecb\u7ecd\u7684\u5173\u7cfb\u5efa\u6a21\u65b9\u6cd5\u76f8\u6bd4\u589e\u52a0\u4e86\u4e24\u4e2a\u6982\u5ff5\uff1a<\/p>\n<h4><a href=\"https:\/\/www.studytime.xin\/article\/#\u7ef4\u5ea6\u8868-dimension\" title=\"\u7ef4\u5ea6\u8868(dimension)\"><\/a>\u7ef4\u5ea6\u8868(dimension)<\/h4>\n<p>\u8868\u793a\u5bf9\u5206\u6790\u4e3b\u9898\u6240\u5c5e\u7c7b\u578b\u7684\u63cf\u8ff0\u3002\u6bd4\u5982\u201d\u6628\u5929\u65e9\u4e0a\u5f20\u4e09\u5728\u4eac\u4e1c\u82b1\u8d39200\u5143\u8d2d\u4e70\u4e86\u4e00\u4e2a\u76ae\u5305\u201d\u3002\u90a3\u4e48\u4ee5\u8d2d\u4e70\u4e3a\u4e3b\u9898\u8fdb\u884c\u5206\u6790\uff0c\u53ef\u4ece\u8fd9\u6bb5\u4fe1\u606f\u4e2d\u63d0\u53d6\u4e09\u4e2a\u7ef4\u5ea6\uff1a\u65f6\u95f4\u7ef4\u5ea6(\u6628\u5929\u65e9\u4e0a)\uff0c\u5730\u70b9\u7ef4\u5ea6(\u4eac\u4e1c), \u5546\u54c1\u7ef4\u5ea6(\u76ae\u5305)\u3002\u901a\u5e38\u6765\u8bf4\u7ef4\u5ea6\u8868\u4fe1\u606f\u6bd4\u8f83\u56fa\u5b9a\uff0c\u4e14\u6570\u636e\u91cf\u5c0f\u3002<\/p>\n<h4><a href=\"https:\/\/www.studytime.xin\/article\/#\u4e8b\u5b9e\u8868-fact-table\" title=\"\u4e8b\u5b9e\u8868(fact table)\"><\/a>\u4e8b\u5b9e\u8868(fact table)<\/h4>\n<p>\u8868\u793a\u5bf9\u5206\u6790\u4e3b\u9898\u7684\u5ea6\u91cf\u3002\u6bd4\u5982\u4e0a\u9762\u90a3\u4e2a\u4f8b\u5b50\u4e2d\uff0c200\u5143\u5c31\u662f\u4e8b\u5b9e\u4fe1\u606f\u3002\u4e8b\u5b9e\u8868\u5305\u542b\u4e86\u4e0e\u5404\u7ef4\u5ea6\u8868\u76f8\u5173\u8054\u7684\u5916\u7801\uff0c\u5e76\u901a\u8fc7JOIN\u65b9\u5f0f\u4e0e\u7ef4\u5ea6\u8868\u5173\u8054\u3002\u4e8b\u5b9e\u8868\u7684\u5ea6\u91cf\u901a\u5e38\u662f\u6570\u503c\u7c7b\u578b\uff0c\u4e14\u8bb0\u5f55\u6570\u4f1a\u4e0d\u65ad\u589e\u52a0\uff0c\u8868\u89c4\u6a21\u8fc5\u901f\u589e\u957f\u3002<\/p>\n<h3><a href=\"https:\/\/www.studytime.xin\/article\/#\u661f\u5f62\u6a21\u5f0f-Star-Schema\" title=\"\u661f\u5f62\u6a21\u5f0f(Star Schema)\"><\/a>\u661f\u5f62\u6a21\u5f0f(Star Schema)<\/h3>\n<p>\u661f\u5f62\u6a21\u5f0f(Star Schema)\u662f\u6700\u5e38\u7528\u7684\u7ef4\u5ea6\u5efa\u6a21\u65b9\u5f0f\uff0c\u4e0b\u56fe\u5c55\u793a\u4e86\u4f7f\u7528\u661f\u5f62\u6a21\u5f0f\u8fdb\u884c\u7ef4\u5ea6\u5efa\u6a21\u7684\u5173\u7cfb\u7ed3\u6784\uff1a<\/p>\n<p><img decoding=\"async\" src=\"http:\/\/4563.org\/wp-content\/uploads\/2020\/07\/20200706_5f03600e001d9.png\" alt=\"\u6d45\u8c08\u6570\u4ed3\u4e09\u3001\u6d45\u8c08\u6570\u4ed3\u5206\u5c42\u548c\u6a21\u578b\"><\/p>\n<p>\u53ef\u4ee5\u770b\u51fa\uff0c\u661f\u5f62\u6a21\u5f0f\u7684\u7ef4\u5ea6\u5efa\u6a21\u7531\u4e00\u4e2a\u4e8b\u5b9e\u8868\u548c\u4e00\u7ec4\u7ef4\u8868\u6210\uff0c\u4e14\u5177\u6709\u4ee5\u4e0b\u7279\u70b9\uff1a<br \/>a. \u7ef4\u8868\u53ea\u548c\u4e8b\u5b9e\u8868\u5173\u8054\uff0c\u7ef4\u8868\u4e4b\u95f4\u6ca1\u6709\u5173\u8054\uff1b<br \/>b. \u6bcf\u4e2a\u7ef4\u8868\u7684\u4e3b\u7801\u4e3a\u5355\u5217\uff0c\u4e14\u8be5\u4e3b\u7801\u653e\u7f6e\u5728\u4e8b\u5b9e\u8868\u4e2d\uff0c\u4f5c\u4e3a\u4e24\u8fb9\u8fde\u63a5\u7684\u5916\u7801\uff1b<br \/>c. \u4ee5\u4e8b\u5b9e\u8868\u4e3a\u6838\u5fc3\uff0c\u7ef4\u8868\u56f4\u7ed5\u6838\u5fc3\u5448\u661f\u5f62\u5206\u5e03\uff1b<\/p>\n<h3><a href=\"https:\/\/www.studytime.xin\/article\/#\u96ea\u82b1\u6a21\u5f0f\" title=\"\u96ea\u82b1\u6a21\u5f0f\"><\/a>\u96ea\u82b1\u6a21\u5f0f<\/h3>\n<p>\u96ea\u82b1\u6a21\u5f0f(Snowflake Schema)\u662f\u5bf9\u661f\u5f62\u6a21\u5f0f\u7684\u6269\u5c55\uff0c\u6bcf\u4e2a\u7ef4\u8868\u53ef\u7ee7\u7eed\u5411\u5916\u8fde\u63a5\u591a\u4e2a\u5b50\u7ef4\u8868\u3002\u4e0b\u56fe\u4e3a\u4f7f\u7528\u96ea\u82b1\u6a21\u5f0f\u8fdb\u884c\u7ef4\u5ea6\u5efa\u6a21\u7684\u5173\u7cfb\u7ed3\u6784\uff1a<br \/><img decoding=\"async\" src=\"http:\/\/4563.org\/wp-content\/uploads\/2020\/07\/20200706_5f0360146869b.png\" alt=\"\u6d45\u8c08\u6570\u4ed3\u4e09\u3001\u6d45\u8c08\u6570\u4ed3\u5206\u5c42\u548c\u6a21\u578b\"><\/p>\n<p>\u661f\u5f62\u6a21\u5f0f\u4e2d\u7684\u7ef4\u8868\u76f8\u5bf9\u96ea\u82b1\u6a21\u5f0f\u6765\u8bf4\u8981\u5927\uff0c\u800c\u4e14\u4e0d\u6ee1\u8db3\u89c4\u8303\u5316\u8bbe\u8ba1\u3002\u96ea\u82b1\u6a21\u578b\u76f8\u5f53\u4e8e\u5c06\u661f\u5f62\u6a21\u5f0f\u7684\u5927\u7ef4\u8868\u62c6\u5206\u6210\u5c0f\u7ef4\u8868\uff0c\u6ee1\u8db3\u4e86\u89c4\u8303\u5316\u8bbe\u8ba1\u3002\u7136\u800c\u8fd9\u79cd\u6a21\u5f0f\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\u5f88\u5c11\u89c1\uff0c\u56e0\u4e3a\u8fd9\u6837\u505a\u4f1a\u5bfc\u81f4\u5f00\u53d1\u96be\u5ea6\u589e\u5927\uff0c\u800c\u6570\u636e\u5197\u4f59\u95ee\u9898\u5728\u6570\u636e\u4ed3\u5e93\u91cc\u5e76\u4e0d\u4e25\u91cd\u3002<\/p>\n<h3><a href=\"https:\/\/www.studytime.xin\/article\/#\u661f\u5ea7\u6a21\u5f0f\" title=\"\u661f\u5ea7\u6a21\u5f0f\"><\/a>\u661f\u5ea7\u6a21\u5f0f<\/h3>\n<p>\u661f\u5ea7\u6a21\u5f0f(Fact Constellations Schema)\u4e5f\u662f\u661f\u578b\u6a21\u5f0f\u7684\u6269\u5c55\u3002\u57fa\u4e8e\u8fd9\u79cd\u601d\u60f3\u5c31\u6709\u4e86\u661f\u5ea7\u6a21\u5f0f\uff1a<br \/><img decoding=\"async\" src=\"http:\/\/4563.org\/wp-content\/uploads\/2020\/07\/20200706_5f0360195464a.png\" alt=\"\u6d45\u8c08\u6570\u4ed3\u4e09\u3001\u6d45\u8c08\u6570\u4ed3\u5206\u5c42\u548c\u6a21\u578b\"><\/p>\n<p>\u524d\u9762\u4ecb\u7ecd\u7684\u4e24\u79cd\u7ef4\u5ea6\u5efa\u6a21\u65b9\u6cd5\u90fd\u662f\u591a\u7ef4\u8868\u5bf9\u5e94\u5355\u4e8b\u5b9e\u8868\uff0c\u4f46\u5728\u5f88\u591a\u65f6\u5019\u7ef4\u5ea6\u7a7a\u95f4\u5185\u7684\u4e8b\u5b9e\u8868\u4e0d\u6b62\u4e00\u4e2a\uff0c\u800c\u4e00\u4e2a\u7ef4\u8868\u4e5f\u53ef\u80fd\u88ab\u591a\u4e2a\u4e8b\u5b9e\u8868\u7528\u5230\u3002\u5728\u4e1a\u52a1\u53d1\u5c55\u540e\u671f\uff0c\u7edd\u5927\u90e8\u5206\u7ef4\u5ea6\u5efa\u6a21\u90fd\u91c7\u7528\u7684\u662f\u661f\u5ea7\u6a21\u5f0f\u3002<\/p>\n<h3><a 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