{"id":160433,"date":"2024-11-03T22:33:58","date_gmt":"2024-11-03T14:33:58","guid":{"rendered":"https:\/\/server.hk\/cnblog\/160433\/"},"modified":"2024-11-03T22:33:59","modified_gmt":"2024-11-03T14:33:59","slug":"oceanbase-%e6%95%99%e7%a8%8b%ef%bc%9aoceanbase-%e5%be%a9%e5%90%88%e6%a2%9d%e4%bb%b6","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/160433\/","title":{"rendered":"OceanBase \u6559\u7a0b\uff1aOceanBase \u5fa9\u5408\u689d\u4ef6"},"content":{"rendered":"<h1 id=\"oceanbase-%e6%95%99%e7%a8%8b%ef%bc%9aoceanbase-%e5%be%a9%e5%90%88%e6%a2%9d%e4%bb%b6-rgBoKDwfJD\">OceanBase \u6559\u7a0b\uff1aOceanBase \u5fa9\u5408\u689d\u4ef6<\/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\u5fa9\u5408\u689d\u4ef6\u67e5\u8a62\uff0c\u5e6b\u52a9\u8b80\u8005\u66f4\u597d\u5730\u7406\u89e3\u5982\u4f55\u5728 OceanBase \u4e2d\u4f7f\u7528\u9019\u4e00\u529f\u80fd\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af%e5%be%a9%e5%90%88%e6%a2%9d%e4%bb%b6%e6%9f%a5%e8%a9%a2%ef%bc%9f-rgBoKDwfJD\">\u4ec0\u9ebc\u662f\u5fa9\u5408\u689d\u4ef6\u67e5\u8a62\uff1f<\/h2>\n<p>\u5fa9\u5408\u689d\u4ef6\u67e5\u8a62\u662f\u6307\u5728 SQL \u67e5\u8a62\u4e2d\u4f7f\u7528\u591a\u500b\u689d\u4ef6\u4f86\u904e\u6ffe\u6578\u64da\u3002\u9019\u4e9b\u689d\u4ef6\u53ef\u4ee5\u901a\u904e\u908f\u8f2f\u904b\u7b97\u7b26\uff08\u5982 AND\u3001OR\uff09\u4f86\u7d44\u5408\uff0c\u5f9e\u800c\u5be6\u73fe\u66f4\u7cbe\u78ba\u7684\u6578\u64da\u6aa2\u7d22\u3002\u5728 OceanBase \u4e2d\uff0c\u5fa9\u5408\u689d\u4ef6\u67e5\u8a62\u7684\u4f7f\u7528\u65b9\u5f0f\u8207\u5176\u4ed6\u95dc\u4fc2\u578b\u6578\u64da\u5eab\u76f8\u4f3c\uff0c\u4f46\u7531\u65bc\u5176\u5206\u4f48\u5f0f\u67b6\u69cb\uff0c\u67e5\u8a62\u7684\u6027\u80fd\u548c\u6548\u7387\u53ef\u80fd\u6703\u6709\u6240\u4e0d\u540c\u3002<\/p>\n<h2 id=\"oceanbase-%e4%b8%ad%e7%9a%84%e5%be%a9%e5%90%88%e6%a2%9d%e4%bb%b6%e6%9f%a5%e8%a9%a2%e7%a4%ba%e4%be%8b-rgBoKDwfJD\">OceanBase \u4e2d\u7684\u5fa9\u5408\u689d\u4ef6\u67e5\u8a62\u793a\u4f8b<\/h2>\n<p>\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684\u793a\u4f8b\uff0c\u5c55\u793a\u5982\u4f55\u5728 OceanBase \u4e2d\u4f7f\u7528\u5fa9\u5408\u689d\u4ef6\u67e5\u8a62\u3002\u5047\u8a2d\u6211\u5011\u6709\u4e00\u500b\u540d\u70ba <code>employees<\/code> \u7684\u8868\uff0c\u8a72\u8868\u5305\u542b\u54e1\u5de5\u7684\u59d3\u540d\u3001\u5e74\u9f61\u548c\u90e8\u9580\u7b49\u4fe1\u606f\u3002<\/p>\n<pre><code>SELECT * FROM employees \nWHERE age &gt; 30 \nAND department = 'Sales';<\/code><\/pre>\n<p>\u5728\u9019\u500b\u67e5\u8a62\u4e2d\uff0c\u6211\u5011\u9078\u64c7\u4e86\u6240\u6709\u5e74\u9f61\u5927\u65bc 30 \u4e14\u90e8\u9580\u70ba\u300cSales\u300d\u7684\u54e1\u5de5\u3002\u9019\u662f\u4e00\u500b\u5178\u578b\u7684\u5fa9\u5408\u689d\u4ef6\u67e5\u8a62\uff0c\u901a\u904e\u4f7f\u7528 AND \u904b\u7b97\u7b26\u4f86\u7d50\u5408\u591a\u500b\u689d\u4ef6\u3002<\/p>\n<h2 id=\"%e4%bd%bf%e7%94%a8-or-%e9%81%8b%e7%ae%97%e7%ac%a6%e7%9a%84%e5%be%a9%e5%90%88%e6%a2%9d%e4%bb%b6%e6%9f%a5%e8%a9%a2-rgBoKDwfJD\">\u4f7f\u7528 OR \u904b\u7b97\u7b26\u7684\u5fa9\u5408\u689d\u4ef6\u67e5\u8a62<\/h2>\n<p>\u9664\u4e86 AND \u904b\u7b97\u7b26\uff0cOR \u904b\u7b97\u7b26\u4e5f\u53ef\u4ee5\u7528\u65bc\u5fa9\u5408\u689d\u4ef6\u67e5\u8a62\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u4f7f\u7528 OR \u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>SELECT * FROM employees \nWHERE department = 'Sales' \nOR department = 'Marketing';<\/code><\/pre>\n<p>\u9019\u500b\u67e5\u8a62\u5c07\u8fd4\u56de\u6240\u6709\u5728\u300cSales\u300d\u6216\u300cMarketing\u300d\u90e8\u9580\u5de5\u4f5c\u7684\u54e1\u5de5\u3002\u4f7f\u7528 OR \u904b\u7b97\u7b26\u53ef\u4ee5\u64f4\u5927\u67e5\u8a62\u7684\u7bc4\u570d\uff0c\u7372\u53d6\u66f4\u591a\u7b26\u5408\u689d\u4ef6\u7684\u6578\u64da\u3002<\/p>\n<h2 id=\"%e5%be%a9%e5%90%88%e6%a2%9d%e4%bb%b6%e6%9f%a5%e8%a9%a2%e7%9a%84%e6%80%a7%e8%83%bd%e8%80%83%e9%87%8f-rgBoKDwfJD\">\u5fa9\u5408\u689d\u4ef6\u67e5\u8a62\u7684\u6027\u80fd\u8003\u91cf<\/h2>\n<p>\u5728 OceanBase \u4e2d\u9032\u884c\u5fa9\u5408\u689d\u4ef6\u67e5\u8a62\u6642\uff0c\u6027\u80fd\u662f\u9700\u8981\u8003\u616e\u7684\u91cd\u8981\u56e0\u7d20\u3002\u7531\u65bc OceanBase \u662f\u4e00\u500b\u5206\u4f48\u5f0f\u6578\u64da\u5eab\uff0c\u67e5\u8a62\u7684\u6027\u80fd\u53ef\u80fd\u6703\u53d7\u5230\u6578\u64da\u5206\u4f48\u3001\u7d22\u5f15\u8a2d\u7f6e\u548c\u67e5\u8a62\u8a08\u5283\u7684\u5f71\u97ff\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u512a\u5316\u5fa9\u5408\u689d\u4ef6\u67e5\u8a62\u6027\u80fd\u7684\u5efa\u8b70\uff1a<\/p>\n<ul>\n<li><strong>\u4f7f\u7528\u7d22\u5f15\uff1a<\/strong>\u70ba\u5e38\u7528\u7684\u67e5\u8a62\u689d\u4ef6\u5275\u5efa\u7d22\u5f15\uff0c\u53ef\u4ee5\u986f\u8457\u63d0\u9ad8\u67e5\u8a62\u6027\u80fd\u3002<\/li>\n<li><strong>\u907f\u514d\u4e0d\u5fc5\u8981\u7684\u67e5\u8a62\uff1a<\/strong>\u5728\u67e5\u8a62\u4e2d\u76e1\u91cf\u907f\u514d\u4f7f\u7528\u904e\u591a\u7684 OR \u689d\u4ef6\uff0c\u9019\u53ef\u80fd\u6703\u5c0e\u81f4\u6027\u80fd\u4e0b\u964d\u3002<\/li>\n<li><strong>\u5206\u6790\u67e5\u8a62\u8a08\u5283\uff1a<\/strong>\u4f7f\u7528 <code>EXPLAIN<\/code> \u8a9e\u53e5\u4f86\u5206\u6790\u67e5\u8a62\u8a08\u5283\uff0c\u627e\u51fa\u6f5b\u5728\u7684\u6027\u80fd\u74f6\u9838\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b5%90%e8%ab%96-rgBoKDwfJD\">\u7d50\u8ad6<\/h2>\n<p>\u5fa9\u5408\u689d\u4ef6\u67e5\u8a62\u662f OceanBase \u4e2d\u4e00\u500b\u91cd\u8981\u7684\u529f\u80fd\uff0c\u80fd\u5920\u5e6b\u52a9\u7528\u6236\u66f4\u7cbe\u78ba\u5730\u6aa2\u7d22\u6578\u64da\u3002\u901a\u904e\u5408\u7406\u4f7f\u7528 AND \u548c OR \u904b\u7b97\u7b26\uff0c\u4e26\u6ce8\u610f\u6027\u80fd\u512a\u5316\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u5145\u5206\u767c\u63ee OceanBase \u7684\u6f5b\u529b\u3002\u96a8\u8457\u5c0d OceanBase \u7684\u6df1\u5165\u4e86\u89e3\uff0c\u958b\u767c\u8005\u5c07\u80fd\u5920\u66f4\u6709\u6548\u5730\u5229\u7528\u9019\u4e00\u5f37\u5927\u7684\u6578\u64da\u5eab\u7cfb\u7d71\u3002<\/p>\n<p>\u5982\u9700\u4e86\u89e3\u66f4\u591a\u95dc\u65bc <a href=\"https:\/\/server.hk\">VPS<\/a> \u548c <a href=\"https:\/\/server.hk\">\u9999\u6e2f\u4f3a\u670d\u5668<\/a> \u7684\u8cc7\u8a0a\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5b78\u7fd2 OceanBase \u5fa9\u5408\u689d\u4ef6\u7684\u4f7f\u7528\u65b9\u6cd5\uff0c\u638c\u63e1\u9ad8\u6548\u67e5\u8a62\u6280\u5de7\uff0c\u63d0\u5347\u6578\u64da\u5eab\u64cd\u4f5c\u80fd\u529b\uff0c\u5be6\u73fe\u66f4\u9748\u6d3b\u7684\u6578\u64da\u7ba1\u7406\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-160433","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/160433","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=160433"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/160433\/revisions"}],"predecessor-version":[{"id":160434,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/160433\/revisions\/160434"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=160433"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=160433"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=160433"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}