{"id":160577,"date":"2024-11-03T23:15:23","date_gmt":"2024-11-03T15:15:23","guid":{"rendered":"https:\/\/server.hk\/cnblog\/160577\/"},"modified":"2024-11-03T23:15:23","modified_gmt":"2024-11-03T15:15:23","slug":"oceanbase-%e6%95%99%e7%a8%8b%ef%bc%9aoceanbase-%e6%95%b8%e5%80%bc%e9%a1%9e%e5%9e%8b","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/160577\/","title":{"rendered":"OceanBase \u6559\u7a0b\uff1aOceanBase \u6578\u503c\u985e\u578b"},"content":{"rendered":"<h1 id=\"oceanbase-%e6%95%99%e7%a8%8b%ef%bc%9aoceanbase-%e6%95%b8%e5%80%bc%e9%a1%9e%e5%9e%8b-Kzhnqtlwnq\">OceanBase \u6559\u7a0b\uff1aOceanBase \u6578\u503c\u985e\u578b<\/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\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\u6578\u503c\u985e\u578b\uff0c\u5e6b\u52a9\u958b\u767c\u8005\u66f4\u597d\u5730\u7406\u89e3\u548c\u4f7f\u7528\u9019\u4e00\u6578\u64da\u5eab\u7cfb\u7d71\u3002<\/p>\n<h2 id=\"oceanbase-%e6%95%b8%e5%80%bc%e9%a1%9e%e5%9e%8b%e6%a6%82%e8%bf%b0-Kzhnqtlwnq\">OceanBase \u6578\u503c\u985e\u578b\u6982\u8ff0<\/h2>\n<p>\u5728 OceanBase \u4e2d\uff0c\u6578\u503c\u985e\u578b\u4e3b\u8981\u7528\u65bc\u5b58\u5132\u6578\u5b57\u6578\u64da\u3002\u9019\u4e9b\u6578\u64da\u985e\u578b\u53ef\u4ee5\u5206\u70ba\u6574\u6578\u985e\u578b\u548c\u6d6e\u9ede\u6578\u985e\u578b\u3002\u6839\u64da\u4e0d\u540c\u7684\u9700\u6c42\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u9078\u64c7\u5408\u9069\u7684\u6578\u503c\u985e\u578b\u4f86\u512a\u5316\u5b58\u5132\u548c\u67e5\u8a62\u6027\u80fd\u3002<\/p>\n<h3 id=\"%e6%95%b4%e6%95%b8%e9%a1%9e%e5%9e%8b-Kzhnqtlwnq\">\u6574\u6578\u985e\u578b<\/h3>\n<p>\u6574\u6578\u985e\u578b\u7528\u65bc\u5b58\u5132\u4e0d\u5e36\u5c0f\u6578\u7684\u6578\u5b57\u3002OceanBase \u652f\u6301\u591a\u7a2e\u6574\u6578\u985e\u578b\uff0c\u5305\u62ec\uff1a<\/p>\n<ul>\n<li><code>TINYINT<\/code>\uff1a\u4f54\u7528 1 \u5b57\u7bc0\uff0c\u7bc4\u570d\u70ba -128 \u5230 127\uff08\u6709\u7b26\u865f\uff09\u6216 0 \u5230 255\uff08\u7121\u7b26\u865f\uff09\u3002<\/li>\n<li><code>SMALLINT<\/code>\uff1a\u4f54\u7528 2 \u5b57\u7bc0\uff0c\u7bc4\u570d\u70ba -32,768 \u5230 32,767\uff08\u6709\u7b26\u865f\uff09\u6216 0 \u5230 65,535\uff08\u7121\u7b26\u865f\uff09\u3002<\/li>\n<li><code>MEDIUMINT<\/code>\uff1a\u4f54\u7528 3 \u5b57\u7bc0\uff0c\u7bc4\u570d\u70ba -8,388,608 \u5230 8,388,607\uff08\u6709\u7b26\u865f\uff09\u6216 0 \u5230 16,777,215\uff08\u7121\u7b26\u865f\uff09\u3002<\/li>\n<li><code>INT<\/code>\uff1a\u4f54\u7528 4 \u5b57\u7bc0\uff0c\u7bc4\u570d\u70ba -2,147,483,648 \u5230 2,147,483,647\uff08\u6709\u7b26\u865f\uff09\u6216 0 \u5230 4,294,967,295\uff08\u7121\u7b26\u865f\uff09\u3002<\/li>\n<li><code>BIGINT<\/code>\uff1a\u4f54\u7528 8 \u5b57\u7bc0\uff0c\u7bc4\u570d\u70ba -9,223,372,036,854,775,808 \u5230 9,223,372,036,854,775,807\uff08\u6709\u7b26\u865f\uff09\u6216 0 \u5230 18,446,744,073,709,551,615\uff08\u7121\u7b26\u865f\uff09\u3002<\/li>\n<\/ul>\n<p>\u9078\u64c7\u5408\u9069\u7684\u6574\u6578\u985e\u578b\u53ef\u4ee5\u6709\u6548\u5730\u7bc0\u7701\u5b58\u5132\u7a7a\u9593\uff0c\u4e26\u63d0\u9ad8\u67e5\u8a62\u6027\u80fd\u3002\u4f8b\u5982\uff0c\u5982\u679c\u53ea\u9700\u8981\u5b58\u5132 0 \u5230 100 \u7684\u6578\u5b57\uff0c\u4f7f\u7528 <code>TINYINT<\/code> \u6703\u6bd4\u4f7f\u7528 <code>INT<\/code> \u66f4\u52a0\u9ad8\u6548\u3002<\/p>\n<h3 id=\"%e6%b5%ae%e9%bb%9e%e6%95%b8%e9%a1%9e%e5%9e%8b-Kzhnqtlwnq\">\u6d6e\u9ede\u6578\u985e\u578b<\/h3>\n<p>\u6d6e\u9ede\u6578\u985e\u578b\u7528\u65bc\u5b58\u5132\u5e36\u5c0f\u6578\u7684\u6578\u5b57\u3002OceanBase \u63d0\u4f9b\u4e86\u4ee5\u4e0b\u6d6e\u9ede\u6578\u985e\u578b\uff1a<\/p>\n<ul>\n<li><code>FLOAT<\/code>\uff1a\u4f54\u7528 4 \u5b57\u7bc0\uff0c\u9069\u5408\u5b58\u5132\u5c0f\u6578\u9ede\u5f8c 7 \u4f4d\u7684\u6578\u5b57\u3002<\/li>\n<li><code>DOUBLE<\/code>\uff1a\u4f54\u7528 8 \u5b57\u7bc0\uff0c\u9069\u5408\u5b58\u5132\u5c0f\u6578\u9ede\u5f8c 15 \u4f4d\u7684\u6578\u5b57\u3002<\/li>\n<li><code>DECIMAL<\/code>\uff1a\u53ef\u8b8a\u9577\u5ea6\uff0c\u9069\u5408\u5b58\u5132\u9ad8\u7cbe\u5ea6\u7684\u6578\u5b57\uff0c\u7279\u5225\u662f\u5728\u91d1\u878d\u8a08\u7b97\u4e2d\u3002<\/li>\n<\/ul>\n<p>\u5728\u9078\u64c7\u6d6e\u9ede\u6578\u985e\u578b\u6642\uff0c\u958b\u767c\u8005\u61c9\u6839\u64da\u6578\u64da\u7684\u7cbe\u5ea6\u9700\u6c42\u4f86\u9078\u64c7\u5408\u9069\u7684\u985e\u578b\u3002\u4f8b\u5982\uff0c\u5c0d\u65bc\u9700\u8981\u9ad8\u7cbe\u5ea6\u7684\u8ca1\u52d9\u8a08\u7b97\uff0c\u4f7f\u7528 <code>DECIMAL<\/code> \u985e\u578b\u6703\u66f4\u70ba\u5408\u9069\u3002<\/p>\n<h2 id=\"%e6%95%b8%e5%80%bc%e9%a1%9e%e5%9e%8b%e7%9a%84%e4%bd%bf%e7%94%a8%e7%a4%ba%e4%be%8b-Kzhnqtlwnq\">\u6578\u503c\u985e\u578b\u7684\u4f7f\u7528\u793a\u4f8b<\/h2>\n<p>\u4ee5\u4e0b\u662f\u4e00\u4e9b\u4f7f\u7528 OceanBase \u6578\u503c\u985e\u578b\u7684 SQL \u793a\u4f8b\uff1a<\/p>\n<pre><code>CREATE TABLE products (\n    id BIGINT UNSIGNED AUTO_INCREMENT PRIMARY KEY,\n    name VARCHAR(100) NOT NULL,\n    price DECIMAL(10, 2) NOT NULL,\n    stock INT UNSIGNED NOT NULL\n);\n<\/code><\/pre>\n<p>\u5728\u9019\u500b\u793a\u4f8b\u4e2d\uff0c\u6211\u5011\u5275\u5efa\u4e86\u4e00\u500b\u540d\u70ba <code>products<\/code> \u7684\u8868\uff0c\u5176\u4e2d\u5305\u542b\u4e86 <code>BIGINT<\/code>\u3001<code>DECIMAL<\/code> \u548c <code>INT<\/code> \u6578\u503c\u985e\u578b\u3002\u9019\u6a23\u7684\u8a2d\u8a08\u53ef\u4ee5\u6709\u6548\u5730\u7ba1\u7406\u7522\u54c1\u7684\u50f9\u683c\u548c\u5eab\u5b58\u3002<\/p>\n<h2 id=\"%e7%b5%90%e8%ab%96-Kzhnqtlwnq\">\u7d50\u8ad6<\/h2>\n<p>OceanBase \u7684\u6578\u503c\u985e\u578b\u70ba\u958b\u767c\u8005\u63d0\u4f9b\u4e86\u9748\u6d3b\u7684\u9078\u64c7\uff0c\u80fd\u5920\u6839\u64da\u4e0d\u540c\u7684\u9700\u6c42\u4f86\u512a\u5316\u6578\u64da\u5b58\u5132\u548c\u67e5\u8a62\u6027\u80fd\u3002\u4e86\u89e3\u5404\u7a2e\u6578\u503c\u985e\u578b\u7684\u7279\u6027\u53ca\u5176\u9069\u7528\u5834\u666f\uff0c\u5c07\u6709\u52a9\u65bc\u958b\u767c\u8005\u5728\u8a2d\u8a08\u6578\u64da\u5eab\u6642\u505a\u51fa\u66f4\u660e\u667a\u7684\u6c7a\u7b56\u3002<\/p>\n<p>\u5982\u9700\u9032\u4e00\u6b65\u4e86\u89e3 OceanBase \u6216\u5176\u4ed6\u76f8\u95dc\u6280\u8853\uff0c\u60a8\u53ef\u4ee5\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\uff0c\u7372\u53d6\u66f4\u591a\u8cc7\u8a0a\u3002\u7121\u8ad6\u662f <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\u9084\u662f\u5176\u4ed6\u670d\u52d9\uff0c\u6211\u5011\u90fd\u80fd\u70ba\u60a8\u63d0\u4f9b\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22 OceanBase \u6578\u503c\u985e\u578b\u7684\u8a73\u7d30\u6559\u7a0b\uff0c\u5b78\u7fd2\u5982\u4f55\u6709\u6548\u4f7f\u7528\u548c\u7ba1\u7406\u6578\u64da\uff0c\u63d0\u5347\u6578\u64da\u5eab\u6027\u80fd\u8207\u6548\u7387\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-160577","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/160577","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=160577"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/160577\/revisions"}],"predecessor-version":[{"id":160578,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/160577\/revisions\/160578"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=160577"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=160577"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=160577"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}