{"id":160571,"date":"2024-11-03T23:12:21","date_gmt":"2024-11-03T15:12:21","guid":{"rendered":"https:\/\/server.hk\/cnblog\/160571\/"},"modified":"2024-11-03T23:12:21","modified_gmt":"2024-11-03T15:12:21","slug":"oceanbase-%e6%95%99%e7%a8%8b%ef%bc%9aoceanbase-%e6%95%b8%e6%93%9a%e9%a1%9e%e5%9e%8b%e6%a6%82%e8%bf%b0","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/160571\/","title":{"rendered":"OceanBase \u6559\u7a0b\uff1aOceanBase \u6578\u64da\u985e\u578b\u6982\u8ff0"},"content":{"rendered":"<h1 id=\"oceanbase-%e6%95%99%e7%a8%8b%ef%bc%9aoceanbase-%e6%95%b8%e6%93%9a%e9%a1%9e%e5%9e%8b%e6%a6%82%e8%bf%b0-wSZJbZQNbX\">OceanBase \u6559\u7a0b\uff1aOceanBase \u6578\u64da\u985e\u578b\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\u6df1\u5165\u63a2\u8a0e OceanBase \u7684\u6578\u64da\u985e\u578b\uff0c\u5e6b\u52a9\u958b\u767c\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%ef%bc%9f-wSZJbZQNbX\">\u4ec0\u9ebc\u662f OceanBase\uff1f<\/h2>\n<p>OceanBase \u662f\u7531\u963f\u91cc\u5df4\u5df4\u958b\u767c\u7684\u4e00\u6b3e\u5206\u4f48\u5f0f\u95dc\u4fc2\u578b\u6578\u64da\u5eab\uff0c\u65e8\u5728\u652f\u6301\u9ad8\u4e26\u767c\u3001\u9ad8\u53ef\u7528\u6027\u548c\u9ad8\u64f4\u5c55\u6027\u7684\u9700\u6c42\u3002\u5b83\u7684\u8a2d\u8a08\u7406\u5ff5\u662f\u70ba\u4e86\u6eff\u8db3\u91d1\u878d\u3001\u96fb\u5546\u7b49\u884c\u696d\u5c0d\u6578\u64da\u5eab\u7684\u9ad8\u8981\u6c42\uff0c\u4e26\u4e14\u80fd\u5920\u5728\u5927\u898f\u6a21\u6578\u64da\u74b0\u5883\u4e2d\u4fdd\u6301\u7a69\u5b9a\u7684\u6027\u80fd\u3002<\/p>\n<h2 id=\"oceanbase-%e7%9a%84%e6%95%b8%e6%93%9a%e9%a1%9e%e5%9e%8b%e6%a6%82%e8%bf%b0-wSZJbZQNbX\">OceanBase \u7684\u6578\u64da\u985e\u578b\u6982\u8ff0<\/h2>\n<p>\u5728 OceanBase \u4e2d\uff0c\u6578\u64da\u985e\u578b\u662f\u5b9a\u7fa9\u8868\u4e2d\u5217\u7684\u57fa\u672c\u5c6c\u6027\u3002\u6b63\u78ba\u9078\u64c7\u6578\u64da\u985e\u578b\u4e0d\u50c5\u80fd\u63d0\u9ad8\u6578\u64da\u5b58\u5132\u7684\u6548\u7387\uff0c\u9084\u80fd\u63d0\u5347\u67e5\u8a62\u6027\u80fd\u3002OceanBase \u652f\u6301\u591a\u7a2e\u6578\u64da\u985e\u578b\uff0c\u4e3b\u8981\u53ef\u4ee5\u5206\u70ba\u4ee5\u4e0b\u5e7e\u985e\uff1a<\/p>\n<h3 id=\"1-%e6%95%b4%e6%95%b8%e9%a1%9e%e5%9e%8b-wSZJbZQNbX\">1. \u6574\u6578\u985e\u578b<\/h3>\n<ul>\n<li><code>TINYINT<\/code>\uff1a\u4f54\u7528 1 \u5b57\u7bc0\uff0c\u7bc4\u570d\u70ba -128 \u5230 127 \u6216 0 \u5230 255\u3002<\/li>\n<li><code>SMALLINT<\/code>\uff1a\u4f54\u7528 2 \u5b57\u7bc0\uff0c\u7bc4\u570d\u70ba -32,768 \u5230 32,767 \u6216 0 \u5230 65,535\u3002<\/li>\n<li><code>MEDIUMINT<\/code>\uff1a\u4f54\u7528 3 \u5b57\u7bc0\uff0c\u7bc4\u570d\u70ba -8,388,608 \u5230 8,388,607 \u6216 0 \u5230 16,777,215\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 \u6216 0 \u5230 4,294,967,295\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 \u6216 0 \u5230 18,446,744,073,709,551,615\u3002<\/li>\n<\/ul>\n<h3 id=\"2-%e6%b5%ae%e9%bb%9e%e6%95%b8%e9%a1%9e%e5%9e%8b-wSZJbZQNbX\">2. \u6d6e\u9ede\u6578\u985e\u578b<\/h3>\n<ul>\n<li><code>FLOAT<\/code>\uff1a\u4f54\u7528 4 \u5b57\u7bc0\uff0c\u9069\u5408\u5b58\u5132\u5c0f\u6578\u3002<\/li>\n<li><code>DOUBLE<\/code>\uff1a\u4f54\u7528 8 \u5b57\u7bc0\uff0c\u9069\u5408\u5b58\u5132\u66f4\u5927\u7bc4\u570d\u7684\u5c0f\u6578\u3002<\/li>\n<\/ul>\n<h3 id=\"3-%e5%ad%97%e7%ac%a6%e4%b8%b2%e9%a1%9e%e5%9e%8b-wSZJbZQNbX\">3. \u5b57\u7b26\u4e32\u985e\u578b<\/h3>\n<ul>\n<li><code>CHAR<\/code>\uff1a\u56fa\u5b9a\u9577\u5ea6\u5b57\u7b26\u4e32\uff0c\u6700\u5927\u9577\u5ea6\u70ba 255 \u5b57\u7b26\u3002<\/li>\n<li><code>VARCHAR<\/code>\uff1a\u53ef\u8b8a\u9577\u5ea6\u5b57\u7b26\u4e32\uff0c\u6700\u5927\u9577\u5ea6\u70ba 65,535 \u5b57\u7b26\u3002<\/li>\n<li><code>TEXT<\/code>\uff1a\u9577\u6587\u672c\u6578\u64da\uff0c\u6700\u5927\u9577\u5ea6\u70ba 65,535 \u5b57\u7b26\u3002<\/li>\n<li><code>BLOB<\/code>\uff1a\u4e8c\u9032\u5236\u5927\u5c0d\u8c61\uff0c\u9069\u5408\u5b58\u5132\u5716\u7247\u3001\u97f3\u983b\u7b49\u4e8c\u9032\u5236\u6578\u64da\u3002<\/li>\n<\/ul>\n<h3 id=\"4-%e6%97%a5%e6%9c%9f%e5%92%8c%e6%99%82%e9%96%93%e9%a1%9e%e5%9e%8b-wSZJbZQNbX\">4. \u65e5\u671f\u548c\u6642\u9593\u985e\u578b<\/h3>\n<ul>\n<li><code>DATE<\/code>\uff1a\u5b58\u5132\u65e5\u671f\uff0c\u683c\u5f0f\u70ba &#8216;YYYY-MM-DD&#8217;\u3002<\/li>\n<li><code>TIME<\/code>\uff1a\u5b58\u5132\u6642\u9593\uff0c\u683c\u5f0f\u70ba &#8216;HH:MM:SS&#8217;\u3002<\/li>\n<li><code>DATETIME<\/code>\uff1a\u5b58\u5132\u65e5\u671f\u548c\u6642\u9593\uff0c\u683c\u5f0f\u70ba &#8216;YYYY-MM-DD HH:MM:SS&#8217;\u3002<\/li>\n<li><code>TIMESTAMP<\/code>\uff1a\u5b58\u5132\u6642\u9593\u6233\uff0c\u901a\u5e38\u7528\u65bc\u8a18\u9304\u4e8b\u4ef6\u767c\u751f\u7684\u6642\u9593\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%a6%82%e4%bd%95%e9%81%b8%e6%93%87%e5%90%88%e9%81%a9%e7%9a%84%e6%95%b8%e6%93%9a%e9%a1%9e%e5%9e%8b-wSZJbZQNbX\">\u5982\u4f55\u9078\u64c7\u5408\u9069\u7684\u6578\u64da\u985e\u578b<\/h2>\n<p>\u9078\u64c7\u5408\u9069\u7684\u6578\u64da\u985e\u578b\u5c0d\u65bc\u6578\u64da\u5eab\u7684\u6027\u80fd\u548c\u5b58\u5132\u6548\u7387\u81f3\u95dc\u91cd\u8981\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u9078\u64c7\u6578\u64da\u985e\u578b\u7684\u5efa\u8b70\uff1a<\/p>\n<ul>\n<li>\u6839\u64da\u6578\u64da\u7684\u5be6\u969b\u7bc4\u570d\u9078\u64c7\u5408\u9069\u7684\u6574\u6578\u985e\u578b\uff0c\u907f\u514d\u4f7f\u7528\u904e\u5927\u7684\u6578\u64da\u985e\u578b\u3002<\/li>\n<li>\u5c0d\u65bc\u9700\u8981\u5b58\u5132\u5c0f\u6578\u7684\u60c5\u6cc1\uff0c\u6839\u64da\u7cbe\u5ea6\u8981\u6c42\u9078\u64c7 <code>FLOAT<\/code> \u6216 <code>DOUBLE<\/code>\u3002<\/li>\n<li>\u5c0d\u65bc\u5b57\u7b26\u4e32\u6578\u64da\uff0c\u6839\u64da\u5be6\u969b\u9700\u6c42\u9078\u64c7 <code>CHAR<\/code> \u6216 <code>VARCHAR<\/code>\u3002<\/li>\n<li>\u65e5\u671f\u548c\u6642\u9593\u985e\u578b\u7684\u9078\u64c7\u61c9\u6839\u64da\u696d\u52d9\u9700\u6c42\u9032\u884c\uff0c\u78ba\u4fdd\u80fd\u5920\u6e96\u78ba\u8a18\u9304\u6642\u9593\u4fe1\u606f\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-wSZJbZQNbX\">\u7e3d\u7d50<\/h2>\n<p>OceanBase \u63d0\u4f9b\u4e86\u591a\u7a2e\u6578\u64da\u985e\u578b\uff0c\u6eff\u8db3\u4e0d\u540c\u61c9\u7528\u5834\u666f\u7684\u9700\u6c42\u3002\u4e86\u89e3\u9019\u4e9b\u6578\u64da\u985e\u578b\u7684\u7279\u6027\u548c\u4f7f\u7528\u5834\u666f\uff0c\u80fd\u5920\u5e6b\u52a9\u958b\u767c\u8005\u5728\u8a2d\u8a08\u6578\u64da\u5eab\u6642\u505a\u51fa\u66f4\u660e\u667a\u7684\u9078\u64c7\u3002\u82e5\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 \u6578\u64da\u985e\u578b\u7684\u5168\u9762\u6982\u8ff0\uff0c\u4e86\u89e3\u5176\u7279\u6027\u548c\u61c9\u7528\uff0c\u52a9\u60a8\u9ad8\u6548\u7ba1\u7406\u6578\u64da\u5eab\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-160571","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/160571","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=160571"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/160571\/revisions"}],"predecessor-version":[{"id":160572,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/160571\/revisions\/160572"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=160571"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=160571"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=160571"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}