{"id":182674,"date":"2024-11-09T23:55:29","date_gmt":"2024-11-09T15:55:29","guid":{"rendered":"https:\/\/server.hk\/cnblog\/182674\/"},"modified":"2024-11-09T23:55:30","modified_gmt":"2024-11-09T15:55:30","slug":"%e5%af%a6%e4%be%8b%e5%89%96%e6%9e%90%e5%9b%9b%e7%a8%ae%e6%95%b8%e6%93%9a%e5%80%89%e5%ba%ab%e7%9a%84%e5%bb%ba%e6%a8%a1%e6%96%b9%e6%b3%95","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/182674\/","title":{"rendered":"\u5be6\u4f8b\u5256\u6790\u56db\u7a2e\u6578\u64da\u5009\u5eab\u7684\u5efa\u6a21\u65b9\u6cd5"},"content":{"rendered":"<h1 id=\"%e5%af%a6%e4%be%8b%e5%89%96%e6%9e%90%e5%9b%9b%e7%a8%ae%e6%95%b8%e6%93%9a%e5%80%89%e5%ba%ab%e7%9a%84%e5%bb%ba%e6%a8%a1%e6%96%b9%e6%b3%95-hFqpVUKdmd\">\u5be6\u4f8b\u5256\u6790\u56db\u7a2e\u6578\u64da\u5009\u5eab\u7684\u5efa\u6a21\u65b9\u6cd5<\/h1>\n<p>\u6578\u64da\u5009\u5eab\uff08Data Warehouse\uff09\u662f\u4f01\u696d\u7528\u4f86\u6574\u5408\u4f86\u81ea\u4e0d\u540c\u4f86\u6e90\u7684\u6578\u64da\uff0c\u4ee5\u4fbf\u9032\u884c\u5206\u6790\u548c\u5831\u544a\u7684\u7cfb\u7d71\u3002\u96a8\u8457\u6578\u64da\u91cf\u7684\u589e\u52a0\uff0c\u9078\u64c7\u5408\u9069\u7684\u5efa\u6a21\u65b9\u6cd5\u8b8a\u5f97\u5c24\u70ba\u91cd\u8981\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u56db\u7a2e\u4e3b\u8981\u7684\u6578\u64da\u5009\u5eab\u5efa\u6a21\u65b9\u6cd5\uff0c\u4e26\u901a\u904e\u5be6\u4f8b\u4f86\u5256\u6790\u5b83\u5011\u7684\u7279\u9ede\u548c\u9069\u7528\u5834\u666f\u3002<\/p>\n<h2 id=\"1-%e6%98%9f%e5%9e%8b%e6%a8%a1%e5%9e%8b%ef%bc%88star-schema%ef%bc%89-hFqpVUKdmd\">1. \u661f\u578b\u6a21\u578b\uff08Star Schema\uff09<\/h2>\n<p>\u661f\u578b\u6a21\u578b\u662f\u6700\u5e38\u898b\u7684\u6578\u64da\u5009\u5eab\u5efa\u6a21\u65b9\u6cd5\u4e4b\u4e00\u3002\u5b83\u7684\u7d50\u69cb\u7c21\u55ae\uff0c\u901a\u5e38\u7531\u4e00\u500b\u4e8b\u52d9\u8868\uff08Fact Table\uff09\u548c\u591a\u500b\u7dad\u5ea6\u8868\uff08Dimension Tables\uff09\u7d44\u6210\u3002\u4e8b\u52d9\u8868\u5305\u542b\u4e86\u696d\u52d9\u904e\u7a0b\u4e2d\u7684\u6578\u64da\uff0c\u800c\u7dad\u5ea6\u8868\u5247\u63d0\u4f9b\u4e86\u5c0d\u9019\u4e9b\u6578\u64da\u7684\u4e0a\u4e0b\u6587\u4fe1\u606f\u3002<\/p>\n<h3 id=\"%e5%af%a6%e4%be%8b-hFqpVUKdmd\">\u5be6\u4f8b<\/h3>\n<pre><code>\n\u4e8b\u52d9\u8868\uff1a\u92b7\u552e\n| \u92b7\u552eID | \u7522\u54c1ID | \u5ba2\u6236ID | \u92b7\u552e\u91d1\u984d | \u92b7\u552e\u65e5\u671f |\n|--------|--------|--------|----------|----------|\n| 1      | 101    | 201    | 500      | 2023-01-01 |\n| 2      | 102    | 202    | 300      | 2023-01-02 |\n\n\u7dad\u5ea6\u8868\uff1a\u7522\u54c1\n| \u7522\u54c1ID | \u7522\u54c1\u540d\u7a31 | \u985e\u5225 |\n|--------|----------|------|\n| 101    | \u96fb\u8166     | \u96fb\u5b50\u7522\u54c1 |\n| 102    | \u624b\u6a5f     | \u96fb\u5b50\u7522\u54c1 |\n\n\u7dad\u5ea6\u8868\uff1a\u5ba2\u6236\n| \u5ba2\u6236ID | \u5ba2\u6236\u540d\u7a31 | \u5730\u5340 |\n|--------|----------|------|\n| 201    | \u5f35\u4e09     | \u9999\u6e2f |\n| 202    | \u674e\u56db     | \u9999\u6e2f |\n<\/code><\/pre>\n<p>\u5728\u9019\u500b\u4f8b\u5b50\u4e2d\uff0c\u92b7\u552e\u4e8b\u52d9\u8868\u8207\u7522\u54c1\u548c\u5ba2\u6236\u7dad\u5ea6\u8868\u4e4b\u9593\u7684\u95dc\u4fc2\u5f62\u6210\u4e86\u4e00\u500b\u661f\u578b\u7d50\u69cb\uff0c\u4fbf\u65bc\u9032\u884c\u67e5\u8a62\u548c\u5831\u544a\u3002<\/p>\n<h2 id=\"2-%e9%9b%aa%e8%8a%b1%e6%a8%a1%e5%9e%8b%ef%bc%88snowflake-schema%ef%bc%89-hFqpVUKdmd\">2. \u96ea\u82b1\u6a21\u578b\uff08Snowflake Schema\uff09<\/h2>\n<p>\u96ea\u82b1\u6a21\u578b\u662f\u661f\u578b\u6a21\u578b\u7684\u64f4\u5c55\uff0c\u7dad\u5ea6\u8868\u9032\u4e00\u6b65\u6b63\u898f\u5316\uff0c\u5f62\u6210\u591a\u5c64\u7d50\u69cb\u3002\u9019\u7a2e\u6a21\u578b\u7684\u512a\u9ede\u5728\u65bc\u6e1b\u5c11\u4e86\u6578\u64da\u5197\u9918\uff0c\u4f46\u67e5\u8a62\u7684\u8907\u96dc\u6027\u4e5f\u96a8\u4e4b\u589e\u52a0\u3002<\/p>\n<h3 id=\"%e5%af%a6%e4%be%8b-hFqpVUKdmd\">\u5be6\u4f8b<\/h3>\n<pre><code>\n\u7dad\u5ea6\u8868\uff1a\u7522\u54c1\n| \u7522\u54c1ID | \u7522\u54c1\u540d\u7a31 | \u985e\u5225ID |\n|--------|----------|--------|\n| 101    | \u96fb\u8166     | 1      |\n| 102    | \u624b\u6a5f     | 1      |\n\n\u7dad\u5ea6\u8868\uff1a\u985e\u5225\n| \u985e\u5225ID | \u985e\u5225\u540d\u7a31 |\n|--------|----------|\n| 1      | \u96fb\u5b50\u7522\u54c1 |\n<\/code><\/pre>\n<p>\u5728\u96ea\u82b1\u6a21\u578b\u4e2d\uff0c\u7522\u54c1\u7dad\u5ea6\u8868\u8207\u985e\u5225\u7dad\u5ea6\u8868\u4e4b\u9593\u7684\u95dc\u4fc2\u5f62\u6210\u4e86\u591a\u5c64\u7d50\u69cb\uff0c\u9019\u6a23\u53ef\u4ee5\u66f4\u597d\u5730\u7d44\u7e54\u6578\u64da\uff0c\u4f46\u67e5\u8a62\u6642\u9700\u8981\u9032\u884c\u591a\u6b21\u806f\u63a5\u3002<\/p>\n<h2 id=\"3-%e9%8a%80%e8%a1%8c%e6%a8%a1%e5%9e%8b%ef%bc%88galaxy-schema%ef%bc%89-hFqpVUKdmd\">3. \u9280\u884c\u6a21\u578b\uff08Galaxy Schema\uff09<\/h2>\n<p>\u9280\u884c\u6a21\u578b\u53c8\u7a31\u70ba\u4e8b\u52d9\u661f\u578b\u6a21\u578b\uff0c\u9069\u7528\u65bc\u8907\u96dc\u7684\u6578\u64da\u5009\u5eab\u74b0\u5883\u3002\u5b83\u53ef\u4ee5\u540c\u6642\u652f\u6301\u591a\u500b\u4e8b\u52d9\u8868\u548c\u7dad\u5ea6\u8868\uff0c\u9069\u5408\u9700\u8981\u8655\u7406\u591a\u500b\u696d\u52d9\u904e\u7a0b\u7684\u60c5\u6cc1\u3002<\/p>\n<h3 id=\"%e5%af%a6%e4%be%8b-hFqpVUKdmd\">\u5be6\u4f8b<\/h3>\n<pre><code>\n\u4e8b\u52d9\u8868\uff1a\u92b7\u552e\n| \u92b7\u552eID | \u7522\u54c1ID | \u5ba2\u6236ID | \u92b7\u552e\u91d1\u984d |\n|--------|--------|--------|----------|\n| 1      | 101    | 201    | 500      |\n\n\u4e8b\u52d9\u8868\uff1a\u9000\u8ca8\n| \u9000\u8ca8ID | \u92b7\u552eID | \u9000\u8ca8\u91d1\u984d |\n|--------|--------|----------|\n| 1      | 1      | 100      |\n\n\u7dad\u5ea6\u8868\uff1a\u7522\u54c1\n| \u7522\u54c1ID | \u7522\u54c1\u540d\u7a31 |\n|--------|----------|\n| 101    | \u96fb\u8166     |\n\n\u7dad\u5ea6\u8868\uff1a\u5ba2\u6236\n| \u5ba2\u6236ID | \u5ba2\u6236\u540d\u7a31 |\n|--------|----------|\n| 201    | \u5f35\u4e09     |\n<\/code><\/pre>\n<p>\u9280\u884c\u6a21\u578b\u7684\u9748\u6d3b\u6027\u4f7f\u5176\u80fd\u5920\u540c\u6642\u8655\u7406\u92b7\u552e\u548c\u9000\u8ca8\u7b49\u591a\u500b\u696d\u52d9\u904e\u7a0b\uff0c\u9069\u5408\u5927\u578b\u4f01\u696d\u7684\u9700\u6c42\u3002<\/p>\n<h2 id=\"4-%e4%ba%8b%e5%8b%99%e6%a8%a1%e5%9e%8b%ef%bc%88fact-constellation-schema%ef%bc%89-hFqpVUKdmd\">4. \u4e8b\u52d9\u6a21\u578b\uff08Fact Constellation Schema\uff09<\/h2>\n<p>\u4e8b\u52d9\u6a21\u578b\u662f\u9280\u884c\u6a21\u578b\u7684\u4e00\u7a2e\u8b8a\u9ad4\uff0c\u5c08\u6ce8\u65bc\u591a\u500b\u4e8b\u52d9\u8868\u4e4b\u9593\u7684\u95dc\u4fc2\u3002\u9019\u7a2e\u6a21\u578b\u9069\u5408\u9700\u8981\u9032\u884c\u591a\u7dad\u5206\u6790\u7684\u60c5\u6cc1\u3002<\/p>\n<h3 id=\"%e5%af%a6%e4%be%8b-hFqpVUKdmd\">\u5be6\u4f8b<\/h3>\n<pre><code>\n\u4e8b\u52d9\u8868\uff1a\u92b7\u552e\n| \u92b7\u552eID | \u7522\u54c1ID | \u5ba2\u6236ID | \u92b7\u552e\u91d1\u984d |\n|--------|--------|--------|----------|\n\n\u4e8b\u52d9\u8868\uff1a\u5eab\u5b58\n| \u5eab\u5b58ID | \u7522\u54c1ID | \u5eab\u5b58\u6578\u91cf |\n|--------|--------|----------|\n\n\u7dad\u5ea6\u8868\uff1a\u7522\u54c1\n| \u7522\u54c1ID | \u7522\u54c1\u540d\u7a31 |\n|--------|----------|\n<\/code><\/pre>\n<p>\u5728\u4e8b\u52d9\u6a21\u578b\u4e2d\uff0c\u92b7\u552e\u548c\u5eab\u5b58\u4e8b\u52d9\u8868\u53ef\u4ee5\u5171\u4eab\u76f8\u540c\u7684\u7dad\u5ea6\u8868\uff0c\u9019\u6a23\u53ef\u4ee5\u66f4\u65b9\u4fbf\u5730\u9032\u884c\u591a\u7dad\u5206\u6790\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-hFqpVUKdmd\">\u7e3d\u7d50<\/h2>\n<p>\u9078\u64c7\u5408\u9069\u7684\u6578\u64da\u5009\u5eab\u5efa\u6a21\u65b9\u6cd5\u5c0d\u65bc\u6578\u64da\u5206\u6790\u7684\u6548\u7387\u548c\u6e96\u78ba\u6027\u81f3\u95dc\u91cd\u8981\u3002\u661f\u578b\u6a21\u578b\u3001\u96ea\u82b1\u6a21\u578b\u3001\u9280\u884c\u6a21\u578b\u548c\u4e8b\u52d9\u6a21\u578b\u5404\u6709\u5176\u7279\u9ede\u548c\u9069\u7528\u5834\u666f\uff0c\u4f01\u696d\u61c9\u6839\u64da\u81ea\u8eab\u9700\u6c42\u9078\u64c7\u5408\u9069\u7684\u5efa\u6a21\u65b9\u6cd5\u3002\u7121\u8ad6\u662f\u9700\u8981\u9ad8\u6548\u67e5\u8a62\u7684\u661f\u578b\u6a21\u578b\uff0c\u9084\u662f\u9069\u5408\u8907\u96dc\u696d\u52d9\u7684\u9280\u884c\u6a21\u578b\uff0c\u4e86\u89e3\u9019\u4e9b\u5efa\u6a21\u65b9\u6cd5\u5c07\u6709\u52a9\u65bc\u4f01\u696d\u66f4\u597d\u5730\u7ba1\u7406\u548c\u5206\u6790\u6578\u64da\u3002<\/p>\n<p>\u5982\u679c\u60a8\u5c0d\u65bc\u6578\u64da\u5009\u5eab\u7684\u5efa\u6a21\u65b9\u6cd5\u6709\u9032\u4e00\u6b65\u7684\u9700\u6c42\uff0c\u6216\u662f\u9700\u8981\u9ad8\u6548\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> 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