{"id":160845,"date":"2024-11-04T01:29:20","date_gmt":"2024-11-03T17:29:20","guid":{"rendered":"https:\/\/server.hk\/cnblog\/160845\/"},"modified":"2024-11-04T01:29:21","modified_gmt":"2024-11-03T17:29:21","slug":"%e4%ba%92%e8%81%af%e7%b6%b2%e5%a4%a7%e5%bb%a0%e9%9d%a2%e8%a9%a6%ef%bc%9amysql-%e4%b8%ad-int11-%e5%92%8c-int10-%e6%9c%89%e4%bb%80%e9%ba%bc%e5%8d%80%e5%88%a5%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/160845\/","title":{"rendered":"\u4e92\u806f\u7db2\u5927\u5ee0\u9762\u8a66\uff1aMySQL \u4e2d int(11) \u548c int(10) \u6709\u4ec0\u9ebc\u5340\u5225\uff1f"},"content":{"rendered":"<h1 id=\"%e4%ba%92%e8%81%af%e7%b6%b2%e5%a4%a7%e5%bb%a0%e9%9d%a2%e8%a9%a6%ef%bc%9amysql-%e4%b8%ad-int11-%e5%92%8c-int10-%e6%9c%89%e4%bb%80%e9%ba%bc%e5%8d%80%e5%88%a5%ef%bc%9f-RqJubiHAaf\">\u4e92\u806f\u7db2\u5927\u5ee0\u9762\u8a66\uff1aMySQL \u4e2d int(11) \u548c int(10) \u6709\u4ec0\u9ebc\u5340\u5225\uff1f<\/h1>\n<p>\u5728\u9762\u8a66\u904e\u7a0b\u4e2d\uff0c\u5c24\u5176\u662f\u91dd\u5c0d\u6578\u64da\u5eab\u76f8\u95dc\u7684\u8077\u4f4d\uff0c\u9762\u8a66\u5b98\u7d93\u5e38\u6703\u554f\u5230\u4e00\u4e9b\u95dc\u65bc MySQL \u7684\u554f\u984c\u3002\u5176\u4e2d\u4e00\u500b\u5e38\u898b\u7684\u554f\u984c\u662f\uff1aMySQL \u4e2d\u7684 <code>int(11)<\/code> \u548c <code>int(10)<\/code> \u4e4b\u9593\u6709\u4ec0\u9ebc\u5340\u5225\uff1f\u9019\u500b\u554f\u984c\u770b\u4f3c\u7c21\u55ae\uff0c\u4f46\u5176\u5be6\u6d89\u53ca\u5230 MySQL \u6578\u64da\u985e\u578b\u7684\u6df1\u5c64\u6b21\u7406\u89e3\u3002<\/p>\n<h2 id=\"mysql-%e6%95%b8%e6%93%9a%e9%a1%9e%e5%9e%8b%e6%a6%82%e8%bf%b0-RqJubiHAaf\">MySQL \u6578\u64da\u985e\u578b\u6982\u8ff0<\/h2>\n<p>MySQL \u63d0\u4f9b\u4e86\u591a\u7a2e\u6578\u64da\u985e\u578b\uff0c\u5176\u4e2d\u6574\u6578\u985e\u578b\uff08\u5982 <code>INT<\/code>\uff09\u662f\u6700\u5e38\u7528\u7684\u4e4b\u4e00\u3002\u6574\u6578\u985e\u578b\u53ef\u4ee5\u5b58\u5132\u6574\u6578\u503c\uff0c\u4e26\u4e14\u6839\u64da\u9700\u8981\u7684\u7bc4\u570d\u548c\u5927\u5c0f\uff0cMySQL \u63d0\u4f9b\u4e86\u591a\u7a2e\u6574\u6578\u985e\u578b\uff0c\u5305\u62ec <code>TINYINT<\/code>\u3001<code>SMALLINT<\/code>\u3001<code>MEDIUMINT<\/code>\u3001<code>INT<\/code> \u548c <code>BIGINT<\/code>\u3002<\/p>\n<h2 id=\"int11-%e5%92%8c-int10-%e7%9a%84%e5%90%ab%e7%be%a9-RqJubiHAaf\">int(11) \u548c int(10) \u7684\u542b\u7fa9<\/h2>\n<p>\u5728 MySQL \u4e2d\uff0c<code>int(11)<\/code> \u548c <code>int(10)<\/code> \u7684\u4e3b\u8981\u5340\u5225\u5728\u65bc\u986f\u793a\u5bec\u5ea6\uff0c\u800c\u4e0d\u662f\u5b58\u5132\u7684\u6578\u64da\u7bc4\u570d\u3002\u9019\u88e1\u7684\u6578\u5b57\uff0811 \u548c 10\uff09\u8868\u793a\u7684\u662f\u986f\u793a\u7684\u4f4d\u6578\uff0c\u800c\u4e0d\u662f\u6578\u64da\u7684\u5927\u5c0f\u6216\u7bc4\u570d\u3002\u5be6\u969b\u4e0a\uff0c<code>INT<\/code> \u985e\u578b\u7684\u7bc4\u570d\u662f\u5f9e -2,147,483,648 \u5230 2,147,483,647\uff0c\u7121\u8ad6\u662f <code>int(11)<\/code> \u9084\u662f <code>int(10)<\/code>\u3002<\/p>\n<h3 id=\"%e9%a1%af%e7%a4%ba%e5%af%ac%e5%ba%a6%e7%9a%84%e4%bd%9c%e7%94%a8-RqJubiHAaf\">\u986f\u793a\u5bec\u5ea6\u7684\u4f5c\u7528<\/h3>\n<p>\u986f\u793a\u5bec\u5ea6\u7684\u4e3b\u8981\u4f5c\u7528\u662f\u5728\u4f7f\u7528 <code>ZEROFILL<\/code> \u5c6c\u6027\u6642\uff0c\u586b\u5145\u6578\u5b57\u7684\u986f\u793a\u683c\u5f0f\u3002\u4f8b\u5982\uff0c\u5982\u679c\u4f60\u5b9a\u7fa9\u4e86\u4e00\u500b <code>int(5)<\/code> \u7684\u6b04\u4f4d\uff0c\u4e26\u4e14\u63d2\u5165\u4e86\u6578\u5b57 <code>42<\/code>\uff0c\u90a3\u9ebc\u5728\u67e5\u8a62\u6642\uff0c\u9019\u500b\u6578\u5b57\u6703\u986f\u793a\u70ba <code>00042<\/code>\u3002\u4f46\u662f\uff0c\u5982\u679c\u6c92\u6709\u4f7f\u7528 <code>ZEROFILL<\/code>\uff0c\u5247\u986f\u793a\u7684\u7d50\u679c\u4ecd\u7136\u662f <code>42<\/code>\u3002<\/p>\n<h3 id=\"%e7%af%84%e4%be%8b%e4%bb%a3%e7%a2%bc-RqJubiHAaf\">\u7bc4\u4f8b\u4ee3\u78bc<\/h3>\n<pre><code>CREATE TABLE example (\n    id INT(11) ZEROFILL,\n    value INT(10)\n);\n\nINSERT INTO example (id, value) VALUES (1, 42);\nINSERT INTO example (id, value) VALUES (12, 7);\n<\/code><\/pre>\n<p>\u5728\u9019\u500b\u4f8b\u5b50\u4e2d\uff0c\u7576\u67e5\u8a62 <code>id<\/code> \u6b04\u4f4d\u6642\uff0c\u7d50\u679c\u5c07\u986f\u793a\u70ba <code>00001<\/code> \u548c <code>00012<\/code>\uff0c\u800c <code>value<\/code> \u6b04\u4f4d\u5247\u986f\u793a\u70ba <code>42<\/code> \u548c <code>7<\/code>\u3002<\/p>\n<h2 id=\"%e7%b5%90%e8%ab%96-RqJubiHAaf\">\u7d50\u8ad6<\/h2>\n<p>\u7e3d\u7d50\u4f86\u8aaa\uff0c<code>int(11)<\/code> \u548c <code>int(10)<\/code> \u4e4b\u9593\u7684\u5340\u5225\u4e3b\u8981\u5728\u65bc\u986f\u793a\u5bec\u5ea6\uff0c\u800c\u4e0d\u662f\u6578\u64da\u7684\u5b58\u5132\u7bc4\u570d\u3002\u5728\u5be6\u969b\u61c9\u7528\u4e2d\uff0c\u9078\u64c7\u54ea\u4e00\u7a2e\u986f\u793a\u5bec\u5ea6\u53d6\u6c7a\u65bc\u958b\u767c\u8005\u7684\u9700\u6c42\u548c\u6578\u64da\u7684\u7279\u6027\u3002\u4e86\u89e3\u9019\u4e9b\u7d30\u7bc0\u4e0d\u50c5\u80fd\u5e6b\u52a9\u4f60\u5728\u9762\u8a66\u4e2d\u8868\u73fe\u51fa\u8272\uff0c\u9084\u80fd\u5728\u65e5\u5e38\u958b\u767c\u4e2d\u907f\u514d\u4e0d\u5fc5\u8981\u7684\u56f0\u60d1\u3002<\/p>\n<h2 id=\"%e9%97%9c%e6%96%bc-server-hk-RqJubiHAaf\">\u95dc\u65bc Server.HK<\/h2>\n<p>\u5982\u679c\u4f60\u5c0d\u65bc\u6578\u64da\u5eab\u7ba1\u7406\u6216\u5176\u4ed6\u6280\u8853\u554f\u984c\u6709\u9032\u4e00\u6b65\u7684\u8208\u8da3\uff0c\u6b61\u8fce\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u4e86\u89e3\u66f4\u591a\u8cc7\u8a0a\u3002\u6211\u5011\u63d0\u4f9b\u5404\u7a2e <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\uff0c\u5e6b\u52a9\u4f60\u5728\u9999\u6e2f\u7684\u696d\u52d9\u904b\u884c\u4e2d\u7372\u5f97\u6700\u4f73\u6027\u80fd\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e86\u89e3 MySQL \u4e2d int(11) \u548c int(10) \u7684\u5340\u5225\uff0c\u63a2\u8a0e\u5176\u5728\u6578\u64da\u5b58\u5132\u548c\u986f\u793a\u4e0a\u7684\u5f71\u97ff\uff0c\u52a9\u529b\u4e92\u806f\u7db2\u5927\u5ee0\u9762\u8a66\u6e96\u5099\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-160845","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/160845","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=160845"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/160845\/revisions"}],"predecessor-version":[{"id":160846,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/160845\/revisions\/160846"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=160845"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=160845"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=160845"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}