{"id":160247,"date":"2024-11-03T21:30:30","date_gmt":"2024-11-03T13:30:30","guid":{"rendered":"https:\/\/server.hk\/cnblog\/160247\/"},"modified":"2024-11-03T21:30:32","modified_gmt":"2024-11-03T13:30:32","slug":"oceanbase-%e6%95%99%e7%a8%8b%ef%bc%9aoceanbase-sql-%e6%a6%82%e8%bf%b0","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/160247\/","title":{"rendered":"OceanBase \u6559\u7a0b\uff1aOceanBase SQL \u6982\u8ff0"},"content":{"rendered":"<h1 id=\"oceanbase-%e6%95%99%e7%a8%8b%ef%bc%9aoceanbase-sql-%e6%a6%82%e8%bf%b0-gYUCEndpFm\">OceanBase \u6559\u7a0b\uff1aOceanBase SQL \u6982\u8ff0<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u6578\u64da\u9a45\u52d5\u6642\u4ee3\uff0c\u9078\u64c7\u5408\u9069\u7684\u6578\u64da\u5eab\u7cfb\u7d71\u5c0d\u65bc\u4f01\u696d\u7684\u6210\u529f\u81f3\u95dc\u91cd\u8981\u3002OceanBase \u4f5c\u70ba\u4e00\u6b3e\u9ad8\u6027\u80fd\u7684\u5206\u4f48\u5f0f\u6578\u64da\u5eab\uff0c\u5df2\u7d93\u5728\u591a\u500b\u884c\u696d\u4e2d\u5f97\u5230\u4e86\u5ee3\u6cdb\u61c9\u7528\u3002\u672c\u6587\u5c07\u5c0d OceanBase \u7684 SQL \u8a9e\u8a00\u9032\u884c\u6982\u8ff0\uff0c\u5e6b\u52a9\u8b80\u8005\u66f4\u597d\u5730\u7406\u89e3\u5176\u7279\u6027\u548c\u4f7f\u7528\u65b9\u6cd5\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af-oceanbase%ef%bc%9f-gYUCEndpFm\">\u4ec0\u9ebc\u662f OceanBase\uff1f<\/h2>\n<p>OceanBase \u662f\u7531\u963f\u91cc\u5df4\u5df4\u96c6\u5718\u958b\u767c\u7684\u4e00\u6b3e\u5206\u4f48\u5f0f\u95dc\u4fc2\u578b\u6578\u64da\u5eab\uff0c\u65e8\u5728\u652f\u6301\u9ad8\u53ef\u7528\u6027\u548c\u9ad8\u64f4\u5c55\u6027\u3002\u5b83\u7684\u8a2d\u8a08\u521d\u8877\u662f\u70ba\u4e86\u6eff\u8db3\u5927\u898f\u6a21\u4ea4\u6613\u7cfb\u7d71\u7684\u9700\u6c42\uff0c\u7279\u5225\u662f\u5728\u91d1\u878d\u548c\u96fb\u5546\u9818\u57df\u3002OceanBase \u652f\u6301 SQL \u8a9e\u8a00\uff0c\u4e26\u4e14\u517c\u5bb9 MySQL \u548c Oracle \u7684\u90e8\u5206\u7279\u6027\uff0c\u4f7f\u5f97\u958b\u767c\u8005\u53ef\u4ee5\u8f15\u9b06\u4e0a\u624b\u3002<\/p>\n<h2 id=\"oceanbase-%e7%9a%84%e6%9e%b6%e6%a7%8b-gYUCEndpFm\">OceanBase \u7684\u67b6\u69cb<\/h2>\n<p>OceanBase \u7684\u67b6\u69cb\u4e3b\u8981\u7531\u4ee5\u4e0b\u5e7e\u500b\u90e8\u5206\u7d44\u6210\uff1a<\/p>\n<ul>\n<li><strong>\u5b58\u5132\u5c64\uff1a<\/strong>\u8ca0\u8cac\u6578\u64da\u7684\u6301\u4e45\u5316\u5b58\u5132\uff0c\u652f\u6301\u591a\u526f\u672c\u548c\u5206\u7247\u6280\u8853\u3002<\/li>\n<li><strong>\u8a08\u7b97\u5c64\uff1a<\/strong>\u8ca0\u8cac\u6578\u64da\u7684\u67e5\u8a62\u548c\u8655\u7406\uff0c\u652f\u6301\u4e26\u884c\u8a08\u7b97\u4ee5\u63d0\u9ad8\u6027\u80fd\u3002<\/li>\n<li><strong>\u7ba1\u7406\u5c64\uff1a<\/strong>\u8ca0\u8cac\u7cfb\u7d71\u7684\u76e3\u63a7\u548c\u7ba1\u7406\uff0c\u5305\u62ec\u6578\u64da\u7684\u5099\u4efd\u548c\u6062\u5fa9\u3002<\/li>\n<\/ul>\n<h2 id=\"oceanbase-sql-%e8%aa%9e%e8%a8%80%e6%a6%82%e8%bf%b0-gYUCEndpFm\">OceanBase SQL \u8a9e\u8a00\u6982\u8ff0<\/h2>\n<p>OceanBase \u7684 SQL \u8a9e\u8a00\u8207\u50b3\u7d71\u7684 SQL \u8a9e\u8a00\u76f8\u4f3c\uff0c\u4f46\u4e5f\u6709\u5176\u7368\u7279\u4e4b\u8655\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b OceanBase SQL \u7684\u57fa\u672c\u7279\u6027\uff1a<\/p>\n<h3 id=\"1-%e6%95%b8%e6%93%9a%e9%a1%9e%e5%9e%8b-gYUCEndpFm\">1. \u6578\u64da\u985e\u578b<\/h3>\n<p>OceanBase \u652f\u6301\u591a\u7a2e\u6578\u64da\u985e\u578b\uff0c\u5305\u62ec\u6574\u6578\u3001\u6d6e\u9ede\u6578\u3001\u5b57\u7b26\u4e32\u3001\u65e5\u671f\u7b49\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u7528\u7684\u6578\u64da\u985e\u578b\uff1a<\/p>\n<ul>\n<li><code>INT<\/code>\uff1a\u6574\u6578\u985e\u578b\u3002<\/li>\n<li><code>VARCHAR(n)<\/code>\uff1a\u53ef\u8b8a\u9577\u5ea6\u5b57\u7b26\u4e32\uff0c\u6700\u5927\u9577\u5ea6\u70ba n\u3002<\/li>\n<li><code>DATETIME<\/code>\uff1a\u65e5\u671f\u548c\u6642\u9593\u985e\u578b\u3002<\/li>\n<\/ul>\n<h3 id=\"2-%e5%9f%ba%e6%9c%ac%e6%93%8d%e4%bd%9c-gYUCEndpFm\">2. \u57fa\u672c\u64cd\u4f5c<\/h3>\n<p>OceanBase \u652f\u6301\u6a19\u6e96\u7684 SQL \u64cd\u4f5c\uff0c\u5305\u62ec\u67e5\u8a62\u3001\u63d2\u5165\u3001\u66f4\u65b0\u548c\u522a\u9664\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u57fa\u672c\u7684 SQL \u8a9e\u53e5\u793a\u4f8b\uff1a<\/p>\n<pre><code>-- \u67e5\u8a62\u6578\u64da\nSELECT * FROM users WHERE age &gt; 18;\n\n-- \u63d2\u5165\u6578\u64da\nINSERT INTO users (name, age) VALUES ('Alice', 25);\n\n-- \u66f4\u65b0\u6578\u64da\nUPDATE users SET age = 26 WHERE name = 'Alice';\n\n-- \u522a\u9664\u6578\u64da\nDELETE FROM users WHERE name = 'Alice';\n<\/code><\/pre>\n<h3 id=\"3-%e4%ba%8b%e5%8b%99%e8%99%95%e7%90%86-gYUCEndpFm\">3. \u4e8b\u52d9\u8655\u7406<\/h3>\n<p>OceanBase \u652f\u6301 ACID \u4e8b\u52d9\uff0c\u78ba\u4fdd\u6578\u64da\u7684\u4e00\u81f4\u6027\u548c\u53ef\u9760\u6027\u3002\u958b\u767c\u8005\u53ef\u4ee5\u4f7f\u7528 <code>BEGIN<\/code>\u3001<code>COMMIT<\/code> \u548c <code>ROLLBACK<\/code> \u4f86\u7ba1\u7406\u4e8b\u52d9\u3002\u4f8b\u5982\uff1a<\/p>\n<pre><code>BEGIN;\nUPDATE accounts SET balance = balance - 100 WHERE user_id = 1;\nUPDATE accounts SET balance = balance + 100 WHERE user_id = 2;\nCOMMIT;\n<\/code><\/pre>\n<h3 id=\"4-%e6%9f%a5%e8%a9%a2%e5%84%aa%e5%8c%96-gYUCEndpFm\">4. \u67e5\u8a62\u512a\u5316<\/h3>\n<p>OceanBase \u63d0\u4f9b\u4e86\u591a\u7a2e\u67e5\u8a62\u512a\u5316\u529f\u80fd\uff0c\u5305\u62ec\u7d22\u5f15\u3001\u67e5\u8a62\u8a08\u5283\u548c\u57f7\u884c\u8a08\u5283\u7684\u512a\u5316\u3002\u958b\u767c\u8005\u53ef\u4ee5\u4f7f\u7528 <code>EXPLAIN<\/code> \u8a9e\u53e5\u4f86\u67e5\u770b\u67e5\u8a62\u7684\u57f7\u884c\u8a08\u5283\uff0c\u5f9e\u800c\u9032\u884c\u6027\u80fd\u8abf\u512a\u3002<\/p>\n<pre><code>EXPLAIN SELECT * FROM users WHERE age &gt; 18;\n<\/code><\/pre>\n<h2 id=\"%e7%b8%bd%e7%b5%90-gYUCEndpFm\">\u7e3d\u7d50<\/h2>\n<p>OceanBase \u4f5c\u70ba\u4e00\u6b3e\u9ad8\u6027\u80fd\u7684\u5206\u4f48\u5f0f\u6578\u64da\u5eab\uff0c\u63d0\u4f9b\u4e86\u5f37\u5927\u7684 SQL \u652f\u6301\u548c\u9748\u6d3b\u7684\u6578\u64da\u8655\u7406\u80fd\u529b\u3002\u7121\u8ad6\u662f\u5c0d\u65bc\u521d\u5b78\u8005\u9084\u662f\u5c08\u696d\u958b\u767c\u8005\uff0c\u4e86\u89e3 OceanBase \u7684 SQL \u8a9e\u8a00\u90fd\u662f\u975e\u5e38\u91cd\u8981\u7684\u3002\u900f\u904e\u672c\u6587\u7684\u4ecb\u7d39\uff0c\u5e0c\u671b\u80fd\u5e6b\u52a9\u8b80\u8005\u66f4\u597d\u5730\u638c\u63e1 OceanBase \u7684\u4f7f\u7528\u65b9\u6cd5\u3002<\/p>\n<p>\u5982\u679c\u60a8\u5c0d\u65bc <a href=\"https:\/\/server.hk\">\u9999\u6e2f VPS<\/a> \u670d\u52d9\u611f\u8208\u8da3\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u89e3\u6c7a\u65b9\u6848\uff0c\u6eff\u8db3\u4e0d\u540c\u7528\u6236\u7684\u9700\u6c42\u3002\u7121\u8ad6\u662f\u4f01\u696d\u7d1a\u61c9\u7528\u9084\u662f\u500b\u4eba\u9805\u76ee\uff0c\u6211\u5011\u7684 <a href=\"https:\/\/server.hk\">\u96f2\u4f3a\u670d\u5668<\/a> \u90fd\u80fd\u70ba\u60a8\u63d0\u4f9b\u7a69\u5b9a\u7684\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22 OceanBase SQL \u7684\u57fa\u672c\u6982\u5ff5\u4e0e\u529f\u80fd\uff0c\u638c\u63e1\u9ad8\u6548\u6570\u636e\u5e93\u7ba1\u7406\u4e0e\u67e5\u8be2\u6280\u5de7\uff0c\u63d0\u5347\u6570\u636e\u5904\u7406\u80fd\u529b\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-160247","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/160247","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=160247"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/160247\/revisions"}],"predecessor-version":[{"id":160248,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/160247\/revisions\/160248"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=160247"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=160247"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=160247"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}