{"id":160305,"date":"2024-11-03T21:59:19","date_gmt":"2024-11-03T13:59:19","guid":{"rendered":"https:\/\/server.hk\/cnblog\/160305\/"},"modified":"2024-11-03T21:59:20","modified_gmt":"2024-11-03T13:59:20","slug":"oceanbase-%e6%95%99%e7%a8%8b%ef%bc%9aoceanbase-%e8%a1%a8%e9%81%94%e5%bc%8f%e5%88%97%e8%a1%a8","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/160305\/","title":{"rendered":"OceanBase \u6559\u7a0b\uff1aOceanBase \u8868\u9054\u5f0f\u5217\u8868"},"content":{"rendered":"<h1 id=\"oceanbase-%e6%95%99%e7%a8%8b%ef%bc%9aoceanbase-%e8%a1%a8%e9%81%94%e5%bc%8f%e5%88%97%e8%a1%a8-aECELRpCMY\">OceanBase \u6559\u7a0b\uff1aOceanBase \u8868\u9054\u5f0f\u5217\u8868<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u6578\u64da\u5eab\u6280\u8853\u4e2d\uff0cOceanBase \u4f5c\u70ba\u4e00\u6b3e\u9ad8\u6027\u80fd\u7684\u5206\u4f48\u5f0f\u6578\u64da\u5eab\uff0c\u8d8a\u4f86\u8d8a\u53d7\u5230\u958b\u767c\u8005\u548c\u4f01\u696d\u7684\u9752\u775e\u3002\u5b83\u4e0d\u50c5\u652f\u6301\u9ad8\u4e26\u767c\u7684\u8b80\u5beb\u64cd\u4f5c\uff0c\u9084\u5177\u5099\u826f\u597d\u7684\u64f4\u5c55\u6027\u548c\u5bb9\u932f\u80fd\u529b\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0e OceanBase \u7684\u8868\u9054\u5f0f\u5217\u8868\uff0c\u5e6b\u52a9\u8b80\u8005\u66f4\u597d\u5730\u7406\u89e3\u548c\u4f7f\u7528\u9019\u4e00\u5f37\u5927\u7684\u6578\u64da\u5eab\u7cfb\u7d71\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af-oceanbase-%e8%a1%a8%e9%81%94%e5%bc%8f%e5%88%97%e8%a1%a8%ef%bc%9f-aECELRpCMY\">\u4ec0\u9ebc\u662f OceanBase \u8868\u9054\u5f0f\u5217\u8868\uff1f<\/h2>\n<p>\u5728 OceanBase \u4e2d\uff0c\u8868\u9054\u5f0f\u5217\u8868\u662f\u7528\u65bc\u67e5\u8a62\u548c\u6578\u64da\u64cd\u4f5c\u7684\u91cd\u8981\u7d44\u6210\u90e8\u5206\u3002\u5b83\u5011\u53ef\u4ee5\u7528\u4f86\u5b9a\u7fa9\u67e5\u8a62\u7684\u689d\u4ef6\u3001\u8a08\u7b97\u5b57\u6bb5\u7684\u503c\uff0c\u6216\u662f\u9032\u884c\u6578\u64da\u7684\u8f49\u63db\u3002\u8868\u9054\u5f0f\u5217\u8868\u901a\u5e38\u7531\u591a\u500b\u8868\u9054\u5f0f\u7d44\u6210\uff0c\u9019\u4e9b\u8868\u9054\u5f0f\u53ef\u4ee5\u662f\u5e38\u91cf\u3001\u8b8a\u91cf\u3001\u51fd\u6578\u6216\u5176\u4ed6\u8868\u9054\u5f0f\u7684\u7d44\u5408\u3002<\/p>\n<h2 id=\"%e8%a1%a8%e9%81%94%e5%bc%8f%e7%9a%84%e9%a1%9e%e5%9e%8b-aECELRpCMY\">\u8868\u9054\u5f0f\u7684\u985e\u578b<\/h2>\n<p>OceanBase \u652f\u6301\u591a\u7a2e\u4e0d\u540c\u985e\u578b\u7684\u8868\u9054\u5f0f\uff0c\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u898b\u7684\u985e\u578b\uff1a<\/p>\n<ul>\n<li><strong>\u7b97\u8853\u8868\u9054\u5f0f\uff1a<\/strong>\u7528\u65bc\u9032\u884c\u6578\u5b78\u8a08\u7b97\uff0c\u4f8b\u5982\u52a0\u6cd5\u3001\u6e1b\u6cd5\u3001\u4e58\u6cd5\u548c\u9664\u6cd5\u3002<\/li>\n<li><strong>\u908f\u8f2f\u8868\u9054\u5f0f\uff1a<\/strong>\u7528\u65bc\u9032\u884c\u908f\u8f2f\u904b\u7b97\uff0c\u5982 AND\u3001OR \u548c NOT\u3002<\/li>\n<li><strong>\u6bd4\u8f03\u8868\u9054\u5f0f\uff1a<\/strong>\u7528\u65bc\u6bd4\u8f03\u5169\u500b\u503c\uff0c\u4f8b\u5982 =\u3001!=\u3001&gt;\u3001&lt; \u7b49\u3002<\/li>\n<li><strong>\u5b57\u7b26\u4e32\u8868\u9054\u5f0f\uff1a<\/strong>\u7528\u65bc\u8655\u7406\u5b57\u7b26\u4e32\u6578\u64da\uff0c\u5305\u62ec\u9023\u63a5\u3001\u622a\u53d6\u548c\u67e5\u627e\u7b49\u64cd\u4f5c\u3002<\/li>\n<li><strong>\u65e5\u671f\u548c\u6642\u9593\u8868\u9054\u5f0f\uff1a<\/strong>\u7528\u65bc\u8655\u7406\u65e5\u671f\u548c\u6642\u9593\u6578\u64da\uff0c\u4f8b\u5982\u8a08\u7b97\u65e5\u671f\u5dee\u3001\u683c\u5f0f\u5316\u65e5\u671f\u7b49\u3002<\/li>\n<\/ul>\n<h2 id=\"%e4%bd%bf%e7%94%a8%e8%a1%a8%e9%81%94%e5%bc%8f%e7%9a%84%e7%a4%ba%e4%be%8b-aECELRpCMY\">\u4f7f\u7528\u8868\u9054\u5f0f\u7684\u793a\u4f8b<\/h2>\n<p>\u4ee5\u4e0b\u662f\u4e00\u4e9b\u4f7f\u7528 OceanBase \u8868\u9054\u5f0f\u7684\u793a\u4f8b\uff0c\u5e6b\u52a9\u8b80\u8005\u66f4\u597d\u5730\u7406\u89e3\u5176\u7528\u6cd5\uff1a<\/p>\n<h3 id=\"1-%e7%ae%97%e8%a1%93%e8%a1%a8%e9%81%94%e5%bc%8f%e7%a4%ba%e4%be%8b-aECELRpCMY\">1. \u7b97\u8853\u8868\u9054\u5f0f\u793a\u4f8b<\/h3>\n<pre><code>\nSELECT price, quantity, price * quantity AS total\nFROM orders;\n<\/code><\/pre>\n<p>\u5728\u9019\u500b\u67e5\u8a62\u4e2d\uff0c\u6211\u5011\u8a08\u7b97\u4e86\u6bcf\u500b\u8a02\u55ae\u7684\u7e3d\u50f9\uff0c\u4f7f\u7528\u4e86\u7b97\u8853\u8868\u9054\u5f0f\u4f86\u4e58\u4ee5\u50f9\u683c\u548c\u6578\u91cf\u3002<\/p>\n<h3 id=\"2-%e9%82%8f%e8%bc%af%e8%a1%a8%e9%81%94%e5%bc%8f%e7%a4%ba%e4%be%8b-aECELRpCMY\">2. \u908f\u8f2f\u8868\u9054\u5f0f\u793a\u4f8b<\/h3>\n<pre><code>\nSELECT *\nFROM users\nWHERE age &gt; 18 AND status = 'active';\n<\/code><\/pre>\n<p>\u9019\u500b\u67e5\u8a62\u9078\u64c7\u4e86\u6240\u6709\u5e74\u9f61\u5927\u65bc 18 \u4e14\u72c0\u614b\u70ba\u201c\u6d3b\u8e8d\u201d\u7684\u7528\u6236\uff0c\u4f7f\u7528\u4e86\u908f\u8f2f\u8868\u9054\u5f0f\u4f86\u7d44\u5408\u689d\u4ef6\u3002<\/p>\n<h3 id=\"3-%e5%ad%97%e7%ac%a6%e4%b8%b2%e8%a1%a8%e9%81%94%e5%bc%8f%e7%a4%ba%e4%be%8b-aECELRpCMY\">3. \u5b57\u7b26\u4e32\u8868\u9054\u5f0f\u793a\u4f8b<\/h3>\n<pre><code>\nSELECT CONCAT(first_name, ' ', last_name) AS full_name\nFROM employees;\n<\/code><\/pre>\n<p>\u5728\u9019\u500b\u67e5\u8a62\u4e2d\uff0c\u6211\u5011\u4f7f\u7528\u4e86\u5b57\u7b26\u4e32\u8868\u9054\u5f0f\u4f86\u9023\u63a5\u54e1\u5de5\u7684\u540d\u5b57\u548c\u59d3\u6c0f\uff0c\u751f\u6210\u5168\u540d\u3002<\/p>\n<h2 id=\"%e6%b3%a8%e6%84%8f%e4%ba%8b%e9%a0%85-aECELRpCMY\">\u6ce8\u610f\u4e8b\u9805<\/h2>\n<p>\u5728\u4f7f\u7528 OceanBase \u7684\u8868\u9054\u5f0f\u6642\uff0c\u6709\u5e7e\u9ede\u9700\u8981\u6ce8\u610f\uff1a<\/p>\n<ul>\n<li>\u78ba\u4fdd\u6578\u64da\u985e\u578b\u5339\u914d\uff1a\u5728\u9032\u884c\u904b\u7b97\u6216\u6bd4\u8f03\u6642\uff0c\u78ba\u4fdd\u53c3\u8207\u904b\u7b97\u7684\u6578\u64da\u985e\u578b\u76f8\u5bb9\u3002<\/li>\n<li>\u6027\u80fd\u8003\u91cf\uff1a\u8907\u96dc\u7684\u8868\u9054\u5f0f\u53ef\u80fd\u6703\u5f71\u97ff\u67e5\u8a62\u6027\u80fd\uff0c\u5efa\u8b70\u5728\u5fc5\u8981\u6642\u9032\u884c\u512a\u5316\u3002<\/li>\n<li>\u4f7f\u7528\u5167\u5efa\u51fd\u6578\uff1aOceanBase \u63d0\u4f9b\u4e86\u591a\u7a2e\u5167\u5efa\u51fd\u6578\uff0c\u53ef\u4ee5\u7c21\u5316\u8868\u9054\u5f0f\u7684\u7de8\u5beb\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-aECELRpCMY\">\u7e3d\u7d50<\/h2>\n<p>OceanBase \u7684\u8868\u9054\u5f0f\u5217\u8868\u70ba\u958b\u767c\u8005\u63d0\u4f9b\u4e86\u9748\u6d3b\u7684\u6578\u64da\u64cd\u4f5c\u65b9\u5f0f\uff0c\u7121\u8ad6\u662f\u9032\u884c\u7c21\u55ae\u7684\u8a08\u7b97\u9084\u662f\u8907\u96dc\u7684\u6578\u64da\u8655\u7406\uff0c\u90fd\u80fd\u5920\u8f15\u9b06\u61c9\u5c0d\u3002\u900f\u904e\u672c\u6587\u7684\u4ecb\u7d39\uff0c\u5e0c\u671b\u8b80\u8005\u80fd\u5920\u66f4\u6df1\u5165\u5730\u7406\u89e3 OceanBase \u7684\u8868\u9054\u5f0f\u4f7f\u7528\uff0c\u4e26\u5728\u5be6\u969b\u958b\u767c\u4e2d\u9748\u6d3b\u904b\u7528\u3002\u5982\u679c\u60a8\u5c0d\u65bc <a href=\"https:\/\/server.hk\">\u9999\u6e2f VPS<\/a> \u670d\u52d9\u6216\u5176\u4ed6\u76f8\u95dc\u6280\u8853\u6709\u8208\u8da3\uff0c\u6b61\u8fce\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u4ee5\u7372\u53d6\u66f4\u591a\u8cc7\u8a0a\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22 OceanBase \u6559\u7a0b\uff0c\u6df1\u5165\u4e86\u89e3 OceanBase \u8868\u8fbe\u5f0f\u5217\u8868\u7684\u4f7f\u7528\u4e0e\u6280\u5de7\uff0c\u63d0\u5347\u6570\u636e\u5e93\u64cd\u4f5c\u6548\u7387\u4e0e\u6027\u80fd\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-160305","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/160305","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=160305"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/160305\/revisions"}],"predecessor-version":[{"id":160306,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/160305\/revisions\/160306"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=160305"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=160305"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=160305"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}