{"id":160519,"date":"2024-11-03T22:46:20","date_gmt":"2024-11-03T14:46:20","guid":{"rendered":"https:\/\/server.hk\/cnblog\/160519\/"},"modified":"2024-11-03T22:46:21","modified_gmt":"2024-11-03T14:46:21","slug":"oceanbase-%e6%95%99%e7%a8%8b%ef%bc%9aoceanbase-%e7%b5%90%e6%9e%9c%e9%9b%86%e6%80%a7%e8%83%bd","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/160519\/","title":{"rendered":"OceanBase \u6559\u7a0b\uff1aOceanBase \u7d50\u679c\u96c6\u6027\u80fd"},"content":{"rendered":"<h1 id=\"oceanbase-%e6%95%99%e7%a8%8b%ef%bc%9aoceanbase-%e7%b5%90%e6%9e%9c%e9%9b%86%e6%80%a7%e8%83%bd-qkWtbUEXuT\">OceanBase \u6559\u7a0b\uff1aOceanBase \u7d50\u679c\u96c6\u6027\u80fd<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u6578\u64da\u9a45\u52d5\u4e16\u754c\u4e2d\uff0c\u6578\u64da\u5eab\u7684\u6027\u80fd\u5c0d\u65bc\u61c9\u7528\u7a0b\u5e8f\u7684\u6574\u9ad4\u6548\u7387\u81f3\u95dc\u91cd\u8981\u3002OceanBase \u4f5c\u70ba\u4e00\u6b3e\u9ad8\u6027\u80fd\u7684\u5206\u4f48\u5f0f\u6578\u64da\u5eab\uff0c\u56e0\u5176\u512a\u8d8a\u7684\u6027\u80fd\u548c\u53ef\u64f4\u5c55\u6027\u800c\u53d7\u5230\u5ee3\u6cdb\u95dc\u6ce8\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0e OceanBase \u7684\u7d50\u679c\u96c6\u6027\u80fd\uff0c\u4e26\u63d0\u4f9b\u4e00\u4e9b\u6700\u4f73\u5be6\u8e10\u548c\u793a\u4f8b\uff0c\u4ee5\u5e6b\u52a9\u958b\u767c\u8005\u66f4\u597d\u5730\u5229\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%ef%bc%9f-qkWtbUEXuT\">\u4ec0\u9ebc\u662f OceanBase\uff1f<\/h2>\n<p>OceanBase \u662f\u7531\u963f\u91cc\u5df4\u5df4\u958b\u767c\u7684\u4e00\u6b3e\u5206\u4f48\u5f0f\u6578\u64da\u5eab\uff0c\u65e8\u5728\u652f\u6301\u5927\u898f\u6a21\u7684\u5728\u7dda\u4ea4\u6613\u8655\u7406\uff08OLTP\uff09\u548c\u5728\u7dda\u5206\u6790\u8655\u7406\uff08OLAP\uff09\u3002\u5b83\u7684\u8a2d\u8a08\u7406\u5ff5\u662f\u70ba\u4e86\u6eff\u8db3\u9ad8\u53ef\u7528\u6027\u3001\u9ad8\u6027\u80fd\u548c\u9ad8\u64f4\u5c55\u6027\u7684\u9700\u6c42\uff0c\u7279\u5225\u9069\u5408\u65bc\u91d1\u878d\u3001\u96fb\u5546\u7b49\u884c\u696d\u7684\u61c9\u7528\u3002<\/p>\n<h2 id=\"%e7%b5%90%e6%9e%9c%e9%9b%86%e6%80%a7%e8%83%bd%e7%9a%84%e9%97%9c%e9%8d%b5%e5%9b%a0%e7%b4%a0-qkWtbUEXuT\">\u7d50\u679c\u96c6\u6027\u80fd\u7684\u95dc\u9375\u56e0\u7d20<\/h2>\n<p>\u5728 OceanBase \u4e2d\uff0c\u7d50\u679c\u96c6\u6027\u80fd\u4e3b\u8981\u53d7\u5230\u4ee5\u4e0b\u5e7e\u500b\u56e0\u7d20\u7684\u5f71\u97ff\uff1a<\/p>\n<ul>\n<li><strong>\u67e5\u8a62\u512a\u5316\uff1a<\/strong>OceanBase \u5167\u5efa\u7684\u67e5\u8a62\u512a\u5316\u5668\u80fd\u5920\u81ea\u52d5\u9078\u64c7\u6700\u4f73\u7684\u57f7\u884c\u8a08\u5283\uff0c\u9019\u5c0d\u65bc\u63d0\u9ad8\u67e5\u8a62\u6027\u80fd\u81f3\u95dc\u91cd\u8981\u3002<\/li>\n<li><strong>\u7d22\u5f15\u4f7f\u7528\uff1a<\/strong>\u5408\u7406\u7684\u7d22\u5f15\u8a2d\u8a08\u53ef\u4ee5\u986f\u8457\u63d0\u9ad8\u67e5\u8a62\u901f\u5ea6\u3002OceanBase \u652f\u6301\u591a\u7a2e\u7d22\u5f15\u985e\u578b\uff0c\u5305\u62ec B \u6a39\u7d22\u5f15\u548c\u54c8\u5e0c\u7d22\u5f15\u3002<\/li>\n<li><strong>\u6578\u64da\u5206\u7247\uff1a<\/strong>OceanBase \u7684\u6578\u64da\u5206\u7247\u6280\u8853\u80fd\u5920\u5c07\u6578\u64da\u5206\u4f48\u5230\u591a\u500b\u7bc0\u9ede\u4e0a\uff0c\u5f9e\u800c\u63d0\u9ad8\u4e26\u884c\u8655\u7406\u80fd\u529b\u3002<\/li>\n<li><strong>\u7de9\u5b58\u6a5f\u5236\uff1a<\/strong>OceanBase \u4f7f\u7528\u7de9\u5b58\u4f86\u5b58\u5132\u71b1\u6578\u64da\uff0c\u6e1b\u5c11\u78c1\u789f I\/O \u64cd\u4f5c\uff0c\u5f9e\u800c\u63d0\u9ad8\u67e5\u8a62\u6027\u80fd\u3002<\/li>\n<\/ul>\n<h2 id=\"%e6%9f%a5%e8%a9%a2%e6%80%a7%e8%83%bd%e7%9a%84%e6%b8%ac%e8%a9%a6%e8%88%87%e5%84%aa%e5%8c%96-qkWtbUEXuT\">\u67e5\u8a62\u6027\u80fd\u7684\u6e2c\u8a66\u8207\u512a\u5316<\/h2>\n<p>\u70ba\u4e86\u8a55\u4f30 OceanBase \u7684\u7d50\u679c\u96c6\u6027\u80fd\uff0c\u53ef\u4ee5\u901a\u904e\u4ee5\u4e0b\u6b65\u9a5f\u9032\u884c\u6e2c\u8a66\u8207\u512a\u5316\uff1a<\/p>\n<h3 id=\"1-%e5%9f%ba%e6%ba%96%e6%b8%ac%e8%a9%a6-qkWtbUEXuT\">1. \u57fa\u6e96\u6e2c\u8a66<\/h3>\n<p>\u9996\u5148\uff0c\u9032\u884c\u57fa\u6e96\u6e2c\u8a66\u4ee5\u8a55\u4f30\u67e5\u8a62\u6027\u80fd\u3002\u53ef\u4ee5\u4f7f\u7528 SQL \u8a9e\u53e5\u4f86\u6e2c\u8a66\u4e0d\u540c\u67e5\u8a62\u7684\u57f7\u884c\u6642\u9593\u3002\u4f8b\u5982\uff1a<\/p>\n<pre><code>SELECT * FROM orders WHERE order_date &gt; '2023-01-01';<\/code><\/pre>\n<p>\u8a18\u9304\u57f7\u884c\u6642\u9593\u4e26\u5206\u6790\u7d50\u679c\uff0c\u4ee5\u78ba\u5b9a\u67e5\u8a62\u7684\u6027\u80fd\u74f6\u9838\u3002<\/p>\n<h3 id=\"2-%e4%bd%bf%e7%94%a8-explain-%e5%88%86%e6%9e%90%e6%9f%a5%e8%a9%a2%e8%a8%88%e5%8a%83-qkWtbUEXuT\">2. \u4f7f\u7528 EXPLAIN \u5206\u6790\u67e5\u8a62\u8a08\u5283<\/h3>\n<p>\u4f7f\u7528 <code>EXPLAIN<\/code> \u8a9e\u53e5\u4f86\u67e5\u770b\u67e5\u8a62\u7684\u57f7\u884c\u8a08\u5283\uff0c\u9019\u6709\u52a9\u65bc\u4e86\u89e3\u67e5\u8a62\u7684\u904b\u884c\u65b9\u5f0f\u3002\u4f8b\u5982\uff1a<\/p>\n<pre><code>EXPLAIN SELECT * FROM orders WHERE order_date &gt; '2023-01-01';<\/code><\/pre>\n<p>\u6839\u64da\u57f7\u884c\u8a08\u5283\u7684\u7d50\u679c\uff0c\u8abf\u6574\u7d22\u5f15\u6216\u67e5\u8a62\u7d50\u69cb\u4ee5\u63d0\u9ad8\u6027\u80fd\u3002<\/p>\n<h3 id=\"3-%e5%84%aa%e5%8c%96%e7%b4%a2%e5%bc%95-qkWtbUEXuT\">3. \u512a\u5316\u7d22\u5f15<\/h3>\n<p>\u6839\u64da\u67e5\u8a62\u7684\u7279\u9ede\uff0c\u8a2d\u8a08\u5408\u9069\u7684\u7d22\u5f15\u3002\u4f8b\u5982\uff0c\u5c0d\u65bc\u7d93\u5e38\u7528\u65bc\u7be9\u9078\u7684\u5217\uff0c\u53ef\u4ee5\u8003\u616e\u5275\u5efa B \u6a39\u7d22\u5f15\uff1a<\/p>\n<pre><code>CREATE INDEX idx_order_date ON orders(order_date);<\/code><\/pre>\n<h3 id=\"4-%e8%aa%bf%e6%95%b4%e6%95%b8%e6%93%9a%e5%88%86%e7%89%87%e7%ad%96%e7%95%a5-qkWtbUEXuT\">4. \u8abf\u6574\u6578\u64da\u5206\u7247\u7b56\u7565<\/h3>\n<p>\u6839\u64da\u6578\u64da\u7684\u8a2a\u554f\u6a21\u5f0f\uff0c\u8abf\u6574\u6578\u64da\u7684\u5206\u7247\u7b56\u7565\uff0c\u4ee5\u63d0\u9ad8\u67e5\u8a62\u7684\u4e26\u884c\u6027\u548c\u6027\u80fd\u3002<\/p>\n<h2 id=\"%e7%b5%90%e8%ab%96-qkWtbUEXuT\">\u7d50\u8ad6<\/h2>\n<p>OceanBase \u4f5c\u70ba\u4e00\u6b3e\u9ad8\u6027\u80fd\u7684\u5206\u4f48\u5f0f\u6578\u64da\u5eab\uff0c\u5176\u7d50\u679c\u96c6\u6027\u80fd\u53d7\u5230\u591a\u7a2e\u56e0\u7d20\u7684\u5f71\u97ff\u3002\u901a\u904e\u5408\u7406\u7684\u67e5\u8a62\u512a\u5316\u3001\u7d22\u5f15\u8a2d\u8a08\u548c\u6578\u64da\u5206\u7247\u7b56\u7565\uff0c\u53ef\u4ee5\u986f\u8457\u63d0\u9ad8\u67e5\u8a62\u6027\u80fd\u3002\u5c0d\u65bc\u9700\u8981\u8655\u7406\u5927\u91cf\u6578\u64da\u7684\u61c9\u7528\uff0cOceanBase \u63d0\u4f9b\u4e86\u4e00\u500b\u5f37\u5927\u7684\u89e3\u6c7a\u65b9\u6848\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\u4f86\u652f\u6301\u60a8\u7684 OceanBase \u90e8\u7f72\uff0cServer.HK \u63d0\u4f9b\u4e86\u591a\u7a2e\u9078\u64c7\uff0c\u6eff\u8db3\u4e0d\u540c\u9700\u6c42\u7684\u5ba2\u6236\u3002\u7121\u8ad6\u662f <a href=\"https:\/\/server.hk\">\u9999\u6e2f\u4f3a\u670d\u5668<\/a> \u9084\u662f\u5176\u4ed6\u5730\u5340\u7684\u670d\u52d9\uff0c\u6211\u5011\u90fd\u80fd\u70ba\u60a8\u63d0\u4f9b\u7a69\u5b9a\u53ef\u9760\u7684\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22 OceanBase \u6559\u7a0b\uff0c\u6df1\u5165\u4e86\u89e3\u5982\u4f55\u63d0\u5347\u7d50\u679c\u96c6\u6027\u80fd\uff0c\u512a\u5316\u67e5\u8a62\u6548\u7387\uff0c\u5be6\u73fe\u9ad8\u6548\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-160519","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/160519","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=160519"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/160519\/revisions"}],"predecessor-version":[{"id":160520,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/160519\/revisions\/160520"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=160519"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=160519"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=160519"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}