{"id":181854,"date":"2024-11-09T19:33:18","date_gmt":"2024-11-09T11:33:18","guid":{"rendered":"https:\/\/server.hk\/cnblog\/181854\/"},"modified":"2024-11-09T19:33:18","modified_gmt":"2024-11-09T11:33:18","slug":"%e6%b7%b1%e5%85%a5%e6%8e%a2%e7%a9%b6%e6%95%b8%e6%93%9a%e5%ba%abcompute%e7%94%a8%e6%b3%95%ef%bc%8c%e8%bc%95%e9%ac%86%e5%af%a6%e7%8f%be%e9%ab%98%e6%95%88%e6%95%b8%e6%93%9a%e8%a8%88%e7%ae%97%ef%bc%88","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/181854\/","title":{"rendered":"\u6df1\u5165\u63a2\u7a76\u6578\u64da\u5eabcompute\u7528\u6cd5\uff0c\u8f15\u9b06\u5be6\u73fe\u9ad8\u6548\u6578\u64da\u8a08\u7b97\uff08\u6578\u64da\u5eabcompute\u7528\u6cd5\uff09"},"content":{"rendered":"<h1 id=\"%e6%b7%b1%e5%85%a5%e6%8e%a2%e7%a9%b6%e6%95%b8%e6%93%9a%e5%ba%abcompute%e7%94%a8%e6%b3%95%ef%bc%8c%e8%bc%95%e9%ac%86%e5%af%a6%e7%8f%be%e9%ab%98%e6%95%88%e6%95%b8%e6%93%9a%e8%a8%88%e7%ae%97-CynHILfZaA\">\u6df1\u5165\u63a2\u7a76\u6578\u64da\u5eabcompute\u7528\u6cd5\uff0c\u8f15\u9b06\u5be6\u73fe\u9ad8\u6548\u6578\u64da\u8a08\u7b97<\/h1>\n<p>\u5728\u7576\u4eca\u6578\u64da\u9a45\u52d5\u7684\u4e16\u754c\u4e2d\uff0c\u6578\u64da\u5eab\u7684\u8a08\u7b97\u80fd\u529b\u5c0d\u65bc\u4f01\u696d\u7684\u904b\u71df\u548c\u6c7a\u7b56\u81f3\u95dc\u91cd\u8981\u3002\u96a8\u8457\u6578\u64da\u91cf\u7684\u6fc0\u589e\uff0c\u50b3\u7d71\u7684\u6578\u64da\u8655\u7406\u65b9\u5f0f\u5df2\u7d93\u7121\u6cd5\u6eff\u8db3\u9700\u6c42\uff0c\u56e0\u6b64\uff0c\u6578\u64da\u5eab\u7684compute\u7528\u6cd5\u9010\u6f38\u6210\u70ba\u4e00\u500b\u91cd\u8981\u7684\u7814\u7a76\u65b9\u5411\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0e\u6578\u64da\u5eabcompute\u7684\u7528\u6cd5\uff0c\u5e6b\u52a9\u8b80\u8005\u8f15\u9b06\u5be6\u73fe\u9ad8\u6548\u7684\u6578\u64da\u8a08\u7b97\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af%e6%95%b8%e6%93%9a%e5%ba%abcompute%ef%bc%9f-CynHILfZaA\">\u4ec0\u9ebc\u662f\u6578\u64da\u5eabcompute\uff1f<\/h2>\n<p>\u6578\u64da\u5eabcompute\u662f\u6307\u5728\u6578\u64da\u5eab\u7cfb\u7d71\u4e2d\u9032\u884c\u8a08\u7b97\u548c\u6578\u64da\u8655\u7406\u7684\u80fd\u529b\u3002\u9019\u7a2e\u8a08\u7b97\u53ef\u4ee5\u5305\u62ec\u6578\u64da\u7684\u805a\u5408\u3001\u904e\u6ffe\u3001\u6392\u5e8f\u3001\u806f\u63a5\u7b49\u64cd\u4f5c\u3002\u96a8\u8457\u96f2\u8a08\u7b97\u548c\u5927\u6578\u64da\u6280\u8853\u7684\u767c\u5c55\uff0c\u8a31\u591a\u73fe\u4ee3\u6578\u64da\u5eab\u7cfb\u7d71\uff08\u5982Amazon Redshift\u3001Google BigQuery\u7b49\uff09\u90fd\u63d0\u4f9b\u4e86\u5f37\u5927\u7684\u8a08\u7b97\u529f\u80fd\uff0c\u80fd\u5920\u8655\u7406\u6d77\u91cf\u6578\u64da\u4e26\u63d0\u4f9b\u5373\u6642\u7684\u67e5\u8a62\u7d50\u679c\u3002<\/p>\n<h2 id=\"%e6%95%b8%e6%93%9a%e5%ba%abcompute%e7%9a%84%e4%b8%bb%e8%a6%81%e7%94%a8%e6%b3%95-CynHILfZaA\">\u6578\u64da\u5eabcompute\u7684\u4e3b\u8981\u7528\u6cd5<\/h2>\n<h3 id=\"1-%e6%95%b8%e6%93%9a%e8%81%9a%e5%90%88-CynHILfZaA\">1. \u6578\u64da\u805a\u5408<\/h3>\n<p>\u6578\u64da\u805a\u5408\u662f\u6578\u64da\u5eabcompute\u7684\u4e00\u500b\u57fa\u672c\u7528\u6cd5\uff0c\u901a\u5e38\u7528\u65bc\u8a08\u7b97\u7e3d\u548c\u3001\u5e73\u5747\u503c\u3001\u6700\u5927\u503c\u548c\u6700\u5c0f\u503c\u7b49\u7d71\u8a08\u4fe1\u606f\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u4f7f\u7528SQL\u9032\u884c\u6578\u64da\u805a\u5408\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>SELECT department, COUNT(*) AS employee_count\nFROM employees\nGROUP BY department;<\/code><\/pre>\n<p>\u9019\u6bb5\u4ee3\u78bc\u5c07\u8fd4\u56de\u6bcf\u500b\u90e8\u9580\u7684\u54e1\u5de5\u6578\u91cf\uff0c\u5e6b\u52a9\u4f01\u696d\u4e86\u89e3\u5404\u90e8\u9580\u7684\u4eba\u529b\u8cc7\u6e90\u5206\u4f48\u3002<\/p>\n<h3 id=\"2-%e6%95%b8%e6%93%9a%e9%81%8e%e6%bf%be-CynHILfZaA\">2. \u6578\u64da\u904e\u6ffe<\/h3>\n<p>\u6578\u64da\u904e\u6ffe\u662f\u6307\u6839\u64da\u7279\u5b9a\u689d\u4ef6\u7be9\u9078\u6578\u64da\u3002\u9019\u5728\u5206\u6790\u7279\u5b9a\u5b50\u96c6\u7684\u6578\u64da\u6642\u975e\u5e38\u6709\u7528\u3002\u4ee5\u4e0b\u662f\u904e\u6ffe\u6578\u64da\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>SELECT * \nFROM sales\nWHERE sale_date &gt; '2023-01-01';<\/code><\/pre>\n<p>\u9019\u6bb5\u4ee3\u78bc\u5c07\u8fd4\u56de2023\u5e741\u67081\u65e5\u4e4b\u5f8c\u7684\u6240\u6709\u92b7\u552e\u8a18\u9304\uff0c\u5e6b\u52a9\u4f01\u696d\u5206\u6790\u8fd1\u671f\u7684\u92b7\u552e\u8da8\u52e2\u3002<\/p>\n<h3 id=\"3-%e6%95%b8%e6%93%9a%e8%81%af%e6%8e%a5-CynHILfZaA\">3. \u6578\u64da\u806f\u63a5<\/h3>\n<p>\u6578\u64da\u806f\u63a5\u662f\u5c07\u4f86\u81ea\u4e0d\u540c\u8868\u7684\u6578\u64da\u7d50\u5408\u5728\u4e00\u8d77\u7684\u904e\u7a0b\u3002\u9019\u5c0d\u65bc\u9700\u8981\u5f9e\u591a\u500b\u6578\u64da\u6e90\u7372\u53d6\u4fe1\u606f\u7684\u60c5\u6cc1\u975e\u5e38\u91cd\u8981\u3002\u4ee5\u4e0b\u662f\u806f\u63a5\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>SELECT employees.name, departments.department_name\nFROM employees\nJOIN departments ON employees.department_id = departments.id;<\/code><\/pre>\n<p>\u9019\u6bb5\u4ee3\u78bc\u5c07\u8fd4\u56de\u54e1\u5de5\u59d3\u540d\u53ca\u5176\u6240\u5c6c\u90e8\u9580\uff0c\u5e6b\u52a9\u4f01\u696d\u4e86\u89e3\u54e1\u5de5\u7684\u90e8\u9580\u5206\u4f48\u60c5\u6cc1\u3002<\/p>\n<h2 id=\"%e6%95%b8%e6%93%9a%e5%ba%abcompute%e7%9a%84%e5%84%aa%e5%8b%a2-CynHILfZaA\">\u6578\u64da\u5eabcompute\u7684\u512a\u52e2<\/h2>\n<ul>\n<li><strong>\u9ad8\u6548\u6027\uff1a<\/strong>\u6578\u64da\u5eabcompute\u80fd\u5920\u5feb\u901f\u8655\u7406\u5927\u91cf\u6578\u64da\uff0c\u63d0\u4f9b\u5373\u6642\u67e5\u8a62\u7d50\u679c\u3002<\/li>\n<li><strong>\u9748\u6d3b\u6027\uff1a<\/strong>\u7528\u6236\u53ef\u4ee5\u6839\u64da\u9700\u6c42\u81ea\u5b9a\u7fa9\u67e5\u8a62\uff0c\u9748\u6d3b\u61c9\u5c0d\u5404\u7a2e\u6578\u64da\u5206\u6790\u9700\u6c42\u3002<\/li>\n<li><strong>\u53ef\u64f4\u5c55\u6027\uff1a<\/strong>\u96a8\u8457\u6578\u64da\u91cf\u7684\u589e\u9577\uff0c\u6578\u64da\u5eabcompute\u53ef\u4ee5\u8f15\u9b06\u64f4\u5c55\uff0c\u6eff\u8db3\u4e0d\u65b7\u589e\u9577\u7684\u8a08\u7b97\u9700\u6c42\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b5%90%e8%ab%96-CynHILfZaA\">\u7d50\u8ad6<\/h2>\n<p>\u6578\u64da\u5eabcompute\u7684\u7528\u6cd5\u70ba\u4f01\u696d\u63d0\u4f9b\u4e86\u5f37\u5927\u7684\u6578\u64da\u8655\u7406\u80fd\u529b\uff0c\u5e6b\u52a9\u4ed6\u5011\u5728\u7af6\u722d\u6fc0\u70c8\u7684\u5e02\u5834\u4e2d\u4fdd\u6301\u512a\u52e2\u3002\u901a\u904e\u6709\u6548\u5730\u5229\u7528\u6578\u64da\u805a\u5408\u3001\u904e\u6ffe\u548c\u806f\u63a5\u7b49\u6280\u8853\uff0c\u4f01\u696d\u80fd\u5920\u66f4\u597d\u5730\u5206\u6790\u6578\u64da\uff0c\u505a\u51fa\u660e\u667a\u7684\u6c7a\u7b56\u3002\u5c0d\u65bc\u5e0c\u671b\u63d0\u5347\u6578\u64da\u8655\u7406\u80fd\u529b\u7684\u4f01\u696d\u4f86\u8aaa\uff0c\u9078\u64c7\u5408\u9069\u7684\u6578\u64da\u5eab\u89e3\u6c7a\u65b9\u6848\u81f3\u95dc\u91cd\u8981\u3002\u82e5\u60a8\u5c0d\u65bc\u5982\u4f55\u9078\u64c7\u5408\u9069\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u6216 <a href=\"https:\/\/server.hk\">\u9999\u6e2f\u4f3a\u670d\u5668<\/a> \u6709\u8208\u8da3\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u4ee5\u7372\u53d6\u66f4\u591a\u4fe1\u606f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6df1\u5165\u63a2\u7a76\u6578\u64da\u5eabcompute\u7528\u6cd5\uff0c\u8f15\u9b06\u5be6\u73fe\u9ad8\u6548\u6578\u64da\u8a08\u7b97\uff0c\u63d0\u5347\u6578\u64da\u8655\u7406\u6548\u7387\uff0c\u52a9\u529b\u696d\u52d9\u6c7a\u7b56\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-181854","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/181854","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=181854"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/181854\/revisions"}],"predecessor-version":[{"id":181855,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/181854\/revisions\/181855"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=181854"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=181854"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=181854"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}