{"id":183402,"date":"2024-11-10T04:31:19","date_gmt":"2024-11-09T20:31:19","guid":{"rendered":"https:\/\/server.hk\/cnblog\/183402\/"},"modified":"2024-11-10T04:31:20","modified_gmt":"2024-11-09T20:31:20","slug":"%e5%af%a6%e7%8f%be%e7%b6%b2%e9%a0%81%e6%95%b8%e6%93%9a%e5%bf%ab%e9%80%9f%e5%b0%8e%e5%85%a5%e6%95%b8%e6%93%9a%e5%ba%ab%e7%9a%84%e6%8a%80%e5%b7%a7%e8%88%87%e5%af%a6%e8%b8%90-%e7%b6%b2%e9%a0%81%e5%b0%8e","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/183402\/","title":{"rendered":"\u5be6\u73fe\u7db2\u9801\u6578\u64da\u5feb\u901f\u5c0e\u5165\u6578\u64da\u5eab\u7684\u6280\u5de7\u8207\u5be6\u8e10 (\u7db2\u9801\u5c0e\u5165\u6578\u64da\u5eab)"},"content":{"rendered":"

\u5be6\u73fe\u7db2\u9801\u6578\u64da\u5feb\u901f\u5c0e\u5165\u6578\u64da\u5eab\u7684\u6280\u5de7\u8207\u5be6\u8e10<\/h1>\n

\u5728\u7576\u4eca\u6578\u64da\u9a45\u52d5\u7684\u4e16\u754c\u4e2d\uff0c\u7db2\u7ad9\u7684\u6578\u64da\u7ba1\u7406\u8b8a\u5f97\u8d8a\u4f86\u8d8a\u91cd\u8981\u3002\u7121\u8ad6\u662f\u96fb\u5b50\u5546\u52d9\u5e73\u53f0\u3001\u793e\u4ea4\u5a92\u9ad4\u9084\u662f\u5167\u5bb9\u7ba1\u7406\u7cfb\u7d71\uff0c\u6578\u64da\u7684\u5feb\u901f\u5c0e\u5165\u548c\u7ba1\u7406\u90fd\u662f\u78ba\u4fdd\u7db2\u7ad9\u904b\u884c\u6d41\u66a2\u7684\u95dc\u9375\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u4e00\u4e9b\u5be6\u73fe\u7db2\u9801\u6578\u64da\u5feb\u901f\u5c0e\u5165\u6578\u64da\u5eab\u7684\u6280\u5de7\u8207\u5be6\u8e10\uff0c\u5e6b\u52a9\u958b\u767c\u8005\u63d0\u9ad8\u6548\u7387\u3002<\/p>\n

1. \u9078\u64c7\u5408\u9069\u7684\u6578\u64da\u5eab<\/h2>\n

\u5728\u958b\u59cb\u6578\u64da\u5c0e\u5165\u4e4b\u524d\uff0c\u9078\u64c7\u5408\u9069\u7684\u6578\u64da\u5eab\u662f\u81f3\u95dc\u91cd\u8981\u7684\u3002\u5e38\u898b\u7684\u6578\u64da\u5eab\u9078\u64c7\u5305\u62ec MySQL\u3001PostgreSQL \u548c MongoDB\u3002\u6bcf\u7a2e\u6578\u64da\u5eab\u90fd\u6709\u5176\u7279\u9ede\u548c\u512a\u52e2\u3002\u4f8b\u5982\uff0cMySQL \u5728\u8655\u7406\u7d50\u69cb\u5316\u6578\u64da\u65b9\u9762\u8868\u73fe\u512a\u7570\uff0c\u800c MongoDB \u5247\u9069\u5408\u8655\u7406\u975e\u7d50\u69cb\u5316\u6578\u64da\u3002\u6839\u64da\u9805\u76ee\u7684\u9700\u6c42\u9078\u64c7\u5408\u9069\u7684\u6578\u64da\u5eab\uff0c\u53ef\u4ee5\u986f\u8457\u63d0\u9ad8\u6578\u64da\u5c0e\u5165\u7684\u6548\u7387\u3002<\/p>\n

2. \u4f7f\u7528\u6279\u91cf\u5c0e\u5165\u6280\u8853<\/h2>\n

\u6279\u91cf\u5c0e\u5165\u662f\u63d0\u9ad8\u6578\u64da\u5c0e\u5165\u901f\u5ea6\u7684\u4e00\u7a2e\u6709\u6548\u65b9\u6cd5\u3002\u8207\u9010\u689d\u63d2\u5165\u6578\u64da\u76f8\u6bd4\uff0c\u6279\u91cf\u63d2\u5165\u53ef\u4ee5\u6e1b\u5c11\u8207\u6578\u64da\u5eab\u7684\u4ea4\u4e92\u6b21\u6578\uff0c\u5f9e\u800c\u63d0\u9ad8\u6027\u80fd\u3002\u4ee5\u4e0b\u662f MySQL \u4e2d\u6279\u91cf\u63d2\u5165\u7684\u793a\u4f8b\uff1a<\/p>\n

INSERT INTO users (name, email) VALUES \n('Alice', 'alice@example.com'),\n('Bob', 'bob@example.com'),\n('Charlie', 'charlie@example.com');<\/code><\/pre>\n
\u9019\u6a23\u7684\u6279\u91cf\u63d2\u5165\u53ef\u4ee5\u986f\u8457\u6e1b\u5c11\u57f7\u884c\u6642\u9593\uff0c\u7279\u5225\u662f\u5728\u8655\u7406\u5927\u91cf\u6578\u64da\u6642\u3002<\/p>\n
3. \u4f7f\u7528\u6578\u64da\u7de9\u5b58<\/h2>\n
\u6578\u64da\u7de9\u5b58\u6280\u8853\u53ef\u4ee5\u986f\u8457\u63d0\u9ad8\u6578\u64da\u5c0e\u5165\u7684\u901f\u5ea6\u3002\u901a\u904e\u5c07\u983b\u7e41\u8a2a\u554f\u7684\u6578\u64da\u5b58\u5132\u5728\u5167\u5b58\u4e2d\uff0c\u53ef\u4ee5\u6e1b\u5c11\u5c0d\u6578\u64da\u5eab\u7684\u67e5\u8a62\u6b21\u6578\u3002\u5e38\u898b\u7684\u7de9\u5b58\u6280\u8853\u5305\u62ec Redis \u548c Memcached\u3002\u9019\u4e9b\u5de5\u5177\u53ef\u4ee5\u5e6b\u52a9\u958b\u767c\u8005\u5728\u5c0e\u5165\u6578\u64da\u6642\u5feb\u901f\u6aa2\u7d22\u6240\u9700\u7684\u4fe1\u606f\uff0c\u5f9e\u800c\u63d0\u9ad8\u6574\u9ad4\u6548\u7387\u3002<\/p>\n
4. \u6578\u64da\u6e05\u6d17\u8207\u9810\u8655\u7406<\/h2>\n
\u5728\u5c07\u6578\u64da\u5c0e\u5165\u6578\u64da\u5eab\u4e4b\u524d\uff0c\u9032\u884c\u6578\u64da\u6e05\u6d17\u548c\u9810\u8655\u7406\u662f\u975e\u5e38\u91cd\u8981\u7684\u3002\u9019\u5305\u62ec\u53bb\u9664\u91cd\u8907\u6578\u64da\u3001\u586b\u88dc\u7f3a\u5931\u503c\u4ee5\u53ca\u683c\u5f0f\u5316\u6578\u64da\u3002\u4f7f\u7528 Python \u7684 Pandas \u5eab\u53ef\u4ee5\u8f15\u9b06\u5be6\u73fe\u6578\u64da\u6e05\u6d17\uff1a<\/p>\n
import pandas as pd\n\n# \u8b80\u53d6\u6578\u64da\ndata = pd.read_csv('data.csv')\n\n# \u53bb\u9664\u91cd\u8907\u884c\ndata = data.drop_duplicates()\n\n# \u586b\u88dc\u7f3a\u5931\u503c\ndata.fillna(method='ffill', inplace=True)<\/code><\/pre>\n
\u901a\u904e\u9019\u4e9b\u6b65\u9a5f\uff0c\u53ef\u4ee5\u78ba\u4fdd\u5c0e\u5165\u5230\u6578\u64da\u5eab\u4e2d\u7684\u6578\u64da\u8cea\u91cf\u66f4\u9ad8\uff0c\u5f9e\u800c\u63d0\u9ad8\u5f8c\u7e8c\u7684\u67e5\u8a62\u6548\u7387\u3002<\/p>\n
5. \u4f7f\u7528\u5408\u9069\u7684\u6578\u64da\u5c0e\u5165\u5de5\u5177<\/h2>\n
\u5e02\u5834\u4e0a\u6709\u8a31\u591a\u6578\u64da\u5c0e\u5165\u5de5\u5177\u53ef\u4ee5\u5e6b\u52a9\u958b\u767c\u8005\u66f4\u9ad8\u6548\u5730\u5c07\u6578\u64da\u5c0e\u5165\u6578\u64da\u5eab\u3002\u4f8b\u5982\uff0c\u4f7f\u7528 ETL\uff08\u63d0\u53d6\u3001\u8f49\u63db\u3001\u52a0\u8f09\uff09\u5de5\u5177\u5982 Apache NiFi \u6216 Talend\uff0c\u53ef\u4ee5\u81ea\u52d5\u5316\u6578\u64da\u5c0e\u5165\u904e\u7a0b\uff0c\u6e1b\u5c11\u624b\u52d5\u64cd\u4f5c\u7684\u932f\u8aa4\u548c\u6642\u9593\u6210\u672c\u3002<\/p>\n
6. \u76e3\u63a7\u8207\u512a\u5316<\/h2>\n
\u6700\u5f8c\uff0c\u6301\u7e8c\u76e3\u63a7\u6578\u64da\u5c0e\u5165\u904e\u7a0b\u4e26\u9032\u884c\u512a\u5316\u662f\u975e\u5e38\u91cd\u8981\u7684\u3002\u4f7f\u7528\u6578\u64da\u5eab\u7684\u6027\u80fd\u76e3\u63a7\u5de5\u5177\uff0c\u53ef\u4ee5\u53ca\u6642\u767c\u73fe\u74f6\u9838\u4e26\u9032\u884c\u8abf\u6574\u3002\u4f8b\u5982\uff0c\u5c0d\u65bc MySQL\uff0c\u53ef\u4ee5\u4f7f\u7528\u6162\u67e5\u8a62\u65e5\u8a8c\u4f86\u8b58\u5225\u6027\u80fd\u554f\u984c\uff0c\u4e26\u9032\u884c\u76f8\u61c9\u7684\u7d22\u5f15\u512a\u5316\u3002<\/p>\n
\u7e3d\u7d50<\/h2>\n
\u5be6\u73fe\u7db2\u9801\u6578\u64da\u5feb\u901f\u5c0e\u5165\u6578\u64da\u5eab\u7684\u6280\u5de7\u8207\u5be6\u8e10\u6d89\u53ca\u591a\u500b\u65b9\u9762\uff0c\u5305\u62ec\u9078\u64c7\u5408\u9069\u7684\u6578\u64da\u5eab\u3001\u4f7f\u7528\u6279\u91cf\u5c0e\u5165\u6280\u8853\u3001\u6578\u64da\u7de9\u5b58\u3001\u6578\u64da\u6e05\u6d17\u8207\u9810\u8655\u7406\u3001\u4f7f\u7528\u5408\u9069\u7684\u6578\u64da\u5c0e\u5165\u5de5\u5177\u4ee5\u53ca\u6301\u7e8c\u76e3\u63a7\u8207\u512a\u5316\u3002\u9019\u4e9b\u65b9\u6cd5\u4e0d\u50c5\u80fd\u63d0\u9ad8\u6578\u64da\u5c0e\u5165\u7684\u6548\u7387\uff0c\u9084\u80fd\u78ba\u4fdd\u6578\u64da\u7684\u8cea\u91cf\u548c\u53ef\u9760\u6027\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u6548\u6578\u64da\u7ba1\u7406\u7684\u7db2\u7ad9\uff0c\u9078\u64c7\u5408\u9069\u7684 VPS<\/a> \u89e3\u6c7a\u65b9\u6848\u4e5f\u662f\u4e00\u500b\u91cd\u8981\u8003\u91cf\uff0c\u9019\u6a23\u53ef\u4ee5\u78ba\u4fdd\u7db2\u7ad9\u5728\u6578\u64da\u8655\u7406\u904e\u7a0b\u4e2d\u7684\u7a69\u5b9a\u6027\u548c\u6027\u80fd\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u63a2\u7d22\u5be6\u73fe\u7db2\u9801\u6578\u64da\u5feb\u901f\u5c0e\u5165\u6578\u64da\u5eab\u7684\u6280\u5de7\u8207\u5be6\u8e10\uff0c\u63d0\u5347\u6578\u64da\u8655\u7406\u6548\u7387\uff0c\u7c21\u5316\u5de5\u4f5c\u6d41\u7a0b\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-183402","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/183402","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=183402"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/183402\/revisions"}],"predecessor-version":[{"id":183403,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/183402\/revisions\/183403"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=183402"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=183402"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=183402"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}