{"id":187674,"date":"2024-11-11T16:14:22","date_gmt":"2024-11-11T08:14:22","guid":{"rendered":"https:\/\/server.hk\/cnblog\/187674\/"},"modified":"2024-11-11T16:14:23","modified_gmt":"2024-11-11T08:14:23","slug":"%e6%95%b8%e6%93%9a%e5%ba%ab%e6%95%b4%e5%9e%8b%e6%95%b8%e6%93%9a%e9%a1%9e%e5%9e%8b%e7%9a%84%e6%9b%b4%e5%a4%a7%e5%80%bc%e7%b0%a1%e8%bf%b0-%e6%95%b8%e6%93%9a%e5%ba%ab%e6%95%b4%e5%9e%8b%e6%9b%b4%e5%a4%a7","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/187674\/","title":{"rendered":"\u6578\u64da\u5eab\u6574\u578b\u6578\u64da\u985e\u578b\u7684\u66f4\u5927\u503c\u7c21\u8ff0 (\u6578\u64da\u5eab\u6574\u578b\u66f4\u5927\u503c)"},"content":{"rendered":"<h1 id=\"%e6%95%b8%e6%93%9a%e5%ba%ab%e6%95%b4%e5%9e%8b%e6%95%b8%e6%93%9a%e9%a1%9e%e5%9e%8b%e7%9a%84%e6%9b%b4%e5%a4%a7%e5%80%bc%e7%b0%a1%e8%bf%b0-%e6%95%b8%e6%93%9a%e5%ba%ab%e6%95%b4%e5%9e%8b%e6%9b%b4%e5%a4%a7-vuOgrWKoKO\">\u6578\u64da\u5eab\u6574\u578b\u6578\u64da\u985e\u578b\u7684\u66f4\u5927\u503c\u7c21\u8ff0 (\u6578\u64da\u5eab\u6574\u578b\u66f4\u5927\u503c)<\/h1>\n<p>\u5728\u6578\u64da\u5eab\u8a2d\u8a08\u4e2d\uff0c\u6574\u578b\u6578\u64da\u985e\u578b\u662f\u6700\u5e38\u7528\u7684\u6578\u64da\u985e\u578b\u4e4b\u4e00\u3002\u6574\u578b\u6578\u64da\u985e\u578b\u7684\u4e3b\u8981\u7279\u9ede\u662f\u80fd\u5920\u5b58\u5132\u6574\u6578\u503c\uff0c\u9019\u4e9b\u503c\u53ef\u4ee5\u662f\u6b63\u6578\u3001\u8ca0\u6578\u6216\u96f6\u3002\u6839\u64da\u4e0d\u540c\u7684\u6578\u64da\u5eab\u7cfb\u7d71\uff0c\u6574\u578b\u6578\u64da\u985e\u578b\u7684\u5927\u5c0f\u548c\u7bc4\u570d\u53ef\u80fd\u6703\u6709\u6240\u4e0d\u540c\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u6574\u578b\u6578\u64da\u985e\u578b\u7684\u66f4\u5927\u503c\uff0c\u4e26\u63d0\u4f9b\u4e00\u4e9b\u5be6\u969b\u7684\u4f8b\u5b50\u548c\u4ee3\u78bc\u793a\u4f8b\u3002<\/p>\n<h2 id=\"%e6%95%b4%e5%9e%8b%e6%95%b8%e6%93%9a%e9%a1%9e%e5%9e%8b%e7%9a%84%e5%9f%ba%e6%9c%ac%e6%a6%82%e5%bf%b5-vuOgrWKoKO\">\u6574\u578b\u6578\u64da\u985e\u578b\u7684\u57fa\u672c\u6982\u5ff5<\/h2>\n<p>\u6574\u578b\u6578\u64da\u985e\u578b\u901a\u5e38\u5206\u70ba\u5e7e\u500b\u4e0d\u540c\u7684\u985e\u578b\uff0c\u5305\u62ec\uff1a<\/p>\n<ul>\n<li><strong>TINYINT<\/strong>\uff1a\u901a\u5e38\u4f54\u75281\u500b\u5b57\u7bc0\uff0c\u7bc4\u570d\u70ba-128\u5230127\uff08\u6709\u7b26\u865f\uff09\u62160\u5230255\uff08\u7121\u7b26\u865f\uff09\u3002<\/li>\n<li><strong>SMALLINT<\/strong>\uff1a\u901a\u5e38\u4f54\u75282\u500b\u5b57\u7bc0\uff0c\u7bc4\u570d\u70ba-32,768\u523032,767\uff08\u6709\u7b26\u865f\uff09\u62160\u523065,535\uff08\u7121\u7b26\u865f\uff09\u3002<\/li>\n<li><strong>MEDIUMINT<\/strong>\uff1a\u901a\u5e38\u4f54\u75283\u500b\u5b57\u7bc0\uff0c\u7bc4\u570d\u70ba-8,388,608\u52308,388,607\uff08\u6709\u7b26\u865f\uff09\u62160\u523016,777,215\uff08\u7121\u7b26\u865f\uff09\u3002<\/li>\n<li><strong>INT<\/strong>\uff1a\u901a\u5e38\u4f54\u75284\u500b\u5b57\u7bc0\uff0c\u7bc4\u570d\u70ba-2,147,483,648\u52302,147,483,647\uff08\u6709\u7b26\u865f\uff09\u62160\u52304,294,967,295\uff08\u7121\u7b26\u865f\uff09\u3002<\/li>\n<li><strong>BIGINT<\/strong>\uff1a\u901a\u5e38\u4f54\u75288\u500b\u5b57\u7bc0\uff0c\u7bc4\u570d\u70ba-9,223,372,036,854,775,808\u52309,223,372,036,854,775,807\uff08\u6709\u7b26\u865f\uff09\u62160\u523018,446,744,073,709,551,615\uff08\u7121\u7b26\u865f\uff09\u3002<\/li>\n<\/ul>\n<h2 id=\"%e6%95%b4%e5%9e%8b%e6%95%b8%e6%93%9a%e9%a1%9e%e5%9e%8b%e7%9a%84%e6%9b%b4%e5%a4%a7%e5%80%bc-vuOgrWKoKO\">\u6574\u578b\u6578\u64da\u985e\u578b\u7684\u66f4\u5927\u503c<\/h2>\n<p>\u5728\u9078\u64c7\u6574\u578b\u6578\u64da\u985e\u578b\u6642\uff0c\u958b\u767c\u8005\u9700\u8981\u8003\u616e\u6578\u64da\u7684\u7bc4\u570d\u548c\u9810\u671f\u7684\u6578\u64da\u91cf\u3002\u5c0d\u65bc\u9700\u8981\u5b58\u5132\u5927\u91cf\u6578\u64da\u7684\u61c9\u7528\uff0c\u9078\u64c7\u5408\u9069\u7684\u6574\u578b\u985e\u578b\u81f3\u95dc\u91cd\u8981\u3002\u4f8b\u5982\uff0c\u5c0d\u65bc\u7528\u6236ID\u6216\u8a02\u55ae\u865f\u7b49\u552f\u4e00\u6a19\u8b58\u7b26\uff0c\u4f7f\u7528BIGINT\u53ef\u80fd\u662f\u66f4\u597d\u7684\u9078\u64c7\uff0c\u56e0\u70ba\u5b83\u80fd\u5920\u652f\u6301\u66f4\u5927\u7684\u6578\u503c\u7bc4\u570d\u3002<\/p>\n<h3 id=\"%e6%95%b4%e5%9e%8b%e6%95%b8%e6%93%9a%e9%a1%9e%e5%9e%8b%e7%9a%84%e9%81%b8%e6%93%87%e7%a4%ba%e4%be%8b-vuOgrWKoKO\">\u6574\u578b\u6578\u64da\u985e\u578b\u7684\u9078\u64c7\u793a\u4f8b<\/h3>\n<p>\u4ee5\u4e0b\u662f\u4e00\u4e9b\u9078\u64c7\u6574\u578b\u6578\u64da\u985e\u578b\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>CREATE TABLE users (\n    id BIGINT AUTO_INCREMENT PRIMARY KEY,\n    username VARCHAR(50) NOT NULL,\n    age TINYINT,\n    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP\n);<\/code><\/pre>\n<p>\u5728\u9019\u500b\u793a\u4f8b\u4e2d\uff0c\u4f7f\u7528BIGINT\u4f5c\u70ba\u7528\u6236ID\u7684\u6578\u64da\u985e\u578b\uff0c\u4ee5\u78ba\u4fdd\u80fd\u5920\u652f\u6301\u5927\u91cf\u7528\u6236\u7684\u60c5\u6cc1\u3002TINYINT\u5247\u7528\u65bc\u5e74\u9f61\uff0c\u56e0\u70ba\u5e74\u9f61\u7684\u7bc4\u570d\u76f8\u5c0d\u8f03\u5c0f\u3002<\/p>\n<h2 id=\"%e6%95%b4%e5%9e%8b%e6%95%b8%e6%93%9a%e9%a1%9e%e5%9e%8b%e7%9a%84%e6%80%a7%e8%83%bd%e8%80%83%e9%87%8f-vuOgrWKoKO\">\u6574\u578b\u6578\u64da\u985e\u578b\u7684\u6027\u80fd\u8003\u91cf<\/h2>\n<p>\u9078\u64c7\u6574\u578b\u6578\u64da\u985e\u578b\u6642\uff0c\u6027\u80fd\u4e5f\u662f\u4e00\u500b\u91cd\u8981\u7684\u8003\u91cf\u56e0\u7d20\u3002\u8f03\u5c0f\u7684\u6574\u578b\u6578\u64da\u985e\u578b\uff08\u5982TINYINT\u548cSMALLINT\uff09\u5728\u5b58\u5132\u548c\u8655\u7406\u4e0a\u901a\u5e38\u6bd4\u8f03\u5927\u7684\u6574\u578b\u6578\u64da\u985e\u578b\uff08\u5982BIGINT\uff09\u66f4\u9ad8\u6548\u3002\u9019\u662f\u56e0\u70ba\u8f03\u5c0f\u7684\u6578\u64da\u985e\u578b\u4f54\u7528\u7684\u5167\u5b58\u66f4\u5c11\uff0c\u5f9e\u800c\u63d0\u9ad8\u4e86\u67e5\u8a62\u548c\u64cd\u4f5c\u7684\u901f\u5ea6\u3002<\/p>\n<h3 id=\"%e6%95%b4%e5%9e%8b%e6%95%b8%e6%93%9a%e9%a1%9e%e5%9e%8b%e7%9a%84%e4%bd%bf%e7%94%a8%e5%bb%ba%e8%ad%b0-vuOgrWKoKO\">\u6574\u578b\u6578\u64da\u985e\u578b\u7684\u4f7f\u7528\u5efa\u8b70<\/h3>\n<ul>\n<li>\u5728\u8a2d\u8a08\u6578\u64da\u5eab\u6642\uff0c\u61c9\u6839\u64da\u5be6\u969b\u9700\u6c42\u9078\u64c7\u5408\u9069\u7684\u6574\u578b\u6578\u64da\u985e\u578b\u3002<\/li>\n<li>\u5c0d\u65bc\u9700\u8981\u5b58\u5132\u5927\u91cf\u6578\u64da\u7684\u5b57\u6bb5\uff0c\u5efa\u8b70\u4f7f\u7528BIGINT\u3002<\/li>\n<li>\u5c0d\u65bc\u7bc4\u570d\u8f03\u5c0f\u7684\u6578\u64da\uff0c\u4f7f\u7528TINYINT\u6216SMALLINT\u53ef\u4ee5\u63d0\u9ad8\u6027\u80fd\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-vuOgrWKoKO\">\u7e3d\u7d50<\/h2>\n<p>\u6574\u578b\u6578\u64da\u985e\u578b\u5728\u6578\u64da\u5eab\u8a2d\u8a08\u4e2d\u626e\u6f14\u8457\u91cd\u8981\u89d2\u8272\uff0c\u9078\u64c7\u5408\u9069\u7684\u6574\u578b\u985e\u578b\u53ef\u4ee5\u5f71\u97ff\u6578\u64da\u7684\u5b58\u5132\u6548\u7387\u548c\u67e5\u8a62\u6027\u80fd\u3002\u4e86\u89e3\u4e0d\u540c\u6574\u578b\u6578\u64da\u985e\u578b\u7684\u7bc4\u570d\u548c\u7279\u9ede\uff0c\u6709\u52a9\u65bc\u958b\u767c\u8005\u5728\u8a2d\u8a08\u6578\u64da\u5eab\u6642\u505a\u51fa\u660e\u667a\u7684\u9078\u64c7\u3002\u82e5\u60a8\u9700\u8981\u9032\u4e00\u6b65\u4e86\u89e3\u5982\u4f55\u9078\u64c7\u5408\u9069\u7684\u6578\u64da\u5eab\u89e3\u6c7a\u65b9\u6848\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u670d\u52d9\u9801\u9762\uff0c\u7372\u53d6\u66f4\u591a\u8cc7\u8a0a\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e86\u89e3\u6578\u64da\u5eab\u6574\u578b\u6578\u64da\u985e\u578b\u7684\u66f4\u5927\u503c\uff0c\u5305\u62ec\u4e0d\u540c\u6574\u578b\u7684\u7bc4\u570d\u53ca\u5176\u61c9\u7528\uff0c\u52a9\u60a8\u9078\u64c7\u5408\u9069\u7684\u6578\u64da\u985e\u578b\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-187674","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/187674","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=187674"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/187674\/revisions"}],"predecessor-version":[{"id":187675,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/187674\/revisions\/187675"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=187674"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=187674"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=187674"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}