{"id":185890,"date":"2024-11-11T01:21:20","date_gmt":"2024-11-10T17:21:20","guid":{"rendered":"https:\/\/server.hk\/cnblog\/185890\/"},"modified":"2024-11-11T01:21:21","modified_gmt":"2024-11-10T17:21:21","slug":"%e6%95%b8%e6%93%9a%e5%ba%ab%ef%bc%9atext%e6%95%b8%e6%93%9a%e9%a1%9e%e5%9e%8b%e9%95%b7%e5%ba%a6%e9%99%90%e5%88%b6%ef%bc%9f%ef%bc%88%e6%95%b8%e6%93%9a%e5%ba%ab%e4%b8%adtext%e6%95%b8%e6%93%9a%e9%a1%9e","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/185890\/","title":{"rendered":"\u6578\u64da\u5eab\uff1atext\u6578\u64da\u985e\u578b\u9577\u5ea6\u9650\u5236\uff1f\uff08\u6578\u64da\u5eab\u4e2dtext\u6578\u64da\u985e\u578b\u591a\u9577\uff09"},"content":{"rendered":"<h1 id=\"%e6%95%b8%e6%93%9a%e5%ba%ab%ef%bc%9atext%e6%95%b8%e6%93%9a%e9%a1%9e%e5%9e%8b%e9%95%b7%e5%ba%a6%e9%99%90%e5%88%b6%ef%bc%9f%ef%bc%88%e6%95%b8%e6%93%9a%e5%ba%ab%e4%b8%adtext%e6%95%b8%e6%93%9a%e9%a1%9e-THiuWudHjx\">\u6578\u64da\u5eab\uff1atext\u6578\u64da\u985e\u578b\u9577\u5ea6\u9650\u5236\uff1f\uff08\u6578\u64da\u5eab\u4e2dtext\u6578\u64da\u985e\u578b\u591a\u9577\uff09<\/h1>\n<p>\u5728\u6578\u64da\u5eab\u8a2d\u8a08\u4e2d\uff0c\u9078\u64c7\u5408\u9069\u7684\u6578\u64da\u985e\u578b\u5c0d\u65bc\u6578\u64da\u7684\u5b58\u5132\u548c\u7ba1\u7406\u81f3\u95dc\u91cd\u8981\u3002\u7279\u5225\u662f\u5728\u8655\u7406\u5927\u91cf\u6587\u672c\u6578\u64da\u6642\uff0c\u4e86\u89e3\u4e0d\u540c\u6578\u64da\u985e\u578b\u7684\u9577\u5ea6\u9650\u5236\u662f\u975e\u5e38\u5fc5\u8981\u7684\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0e\u6578\u64da\u5eab\u4e2dtext\u6578\u64da\u985e\u578b\u7684\u9577\u5ea6\u9650\u5236\uff0c\u4e26\u63d0\u4f9b\u76f8\u95dc\u7684\u793a\u4f8b\u548c\u4ee3\u78bc\u7247\u6bb5\uff0c\u4ee5\u5e6b\u52a9\u8b80\u8005\u66f4\u597d\u5730\u7406\u89e3\u9019\u4e00\u4e3b\u984c\u3002<\/p>\n<h2 id=\"text%e6%95%b8%e6%93%9a%e9%a1%9e%e5%9e%8b%e6%a6%82%e8%bf%b0-THiuWudHjx\">text\u6578\u64da\u985e\u578b\u6982\u8ff0<\/h2>\n<p>\u5728\u95dc\u4fc2\u578b\u6578\u64da\u5eab\u4e2d\uff0ctext\u6578\u64da\u985e\u578b\u901a\u5e38\u7528\u65bc\u5b58\u5132\u9577\u6587\u672c\u6578\u64da\u3002\u9019\u4e9b\u6578\u64da\u53ef\u4ee5\u5305\u62ec\u6587\u7ae0\u3001\u8a55\u8ad6\u3001\u63cf\u8ff0\u7b49\u3002\u4e0d\u540c\u7684\u6578\u64da\u5eab\u7cfb\u7d71\u5c0dtext\u6578\u64da\u985e\u578b\u7684\u5be6\u73fe\u548c\u9577\u5ea6\u9650\u5236\u6709\u6240\u4e0d\u540c\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u898b\u7684\u6578\u64da\u5eab\u7cfb\u7d71\u53ca\u5176\u5c0dtext\u6578\u64da\u985e\u578b\u7684\u652f\u6301\uff1a<\/p>\n<ul>\n<li><strong>MySQL<\/strong>: MySQL\u63d0\u4f9b\u4e86\u591a\u7a2e\u6587\u672c\u6578\u64da\u985e\u578b\uff0c\u5305\u62ecTINYTEXT\u3001TEXT\u3001MEDIUMTEXT\u548cLONGTEXT\u3002\u9019\u4e9b\u985e\u578b\u7684\u9577\u5ea6\u9650\u5236\u5982\u4e0b\uff1a\n<ul>\n<li>TINYTEXT: \u6700\u591a255\u5b57\u5143<\/li>\n<li>TEXT: \u6700\u591a65,535\u5b57\u5143<\/li>\n<li>MEDIUMTEXT: \u6700\u591a16,777,215\u5b57\u5143<\/li>\n<li>LONGTEXT: \u6700\u591a4,294,967,295\u5b57\u5143<\/li>\n<\/ul>\n<\/li>\n<li><strong>PostgreSQL<\/strong>: PostgreSQL\u4f7f\u7528TEXT\u6578\u64da\u985e\u578b\u4f86\u5b58\u5132\u53ef\u8b8a\u9577\u5ea6\u7684\u5b57\u7b26\u4e32\uff0c\u7406\u8ad6\u4e0a\u53ef\u4ee5\u5b58\u5132\u52301GB\u7684\u6578\u64da\u3002\u9019\u4f7f\u5f97PostgreSQL\u5728\u8655\u7406\u5927\u6587\u672c\u6578\u64da\u6642\u975e\u5e38\u9748\u6d3b\u3002<\/li>\n<li><strong>SQL Server<\/strong>: SQL Server\u63d0\u4f9b\u4e86VARCHAR(MAX)\u548cNVARCHAR(MAX)\u4f86\u5b58\u5132\u9577\u6587\u672c\uff0c\u9019\u4e9b\u985e\u578b\u53ef\u4ee5\u5b58\u5132\u6700\u591a2GB\u7684\u6578\u64da\u3002<\/li>\n<\/ul>\n<h2 id=\"text%e6%95%b8%e6%93%9a%e9%a1%9e%e5%9e%8b%e7%9a%84%e9%81%b8%e6%93%87-THiuWudHjx\">text\u6578\u64da\u985e\u578b\u7684\u9078\u64c7<\/h2>\n<p>\u5728\u9078\u64c7text\u6578\u64da\u985e\u578b\u6642\uff0c\u958b\u767c\u8005\u9700\u8981\u8003\u616e\u4ee5\u4e0b\u5e7e\u500b\u56e0\u7d20\uff1a<\/p>\n<ul>\n<li><strong>\u6578\u64da\u5927\u5c0f<\/strong>: \u6839\u64da\u9810\u671f\u5b58\u5132\u7684\u6587\u672c\u5927\u5c0f\u9078\u64c7\u5408\u9069\u7684\u6578\u64da\u985e\u578b\u3002\u4f8b\u5982\uff0c\u5982\u679c\u53ea\u9700\u5b58\u5132\u77ed\u6587\u672c\uff0c\u5247\u53ef\u4ee5\u9078\u64c7TINYTEXT\u6216TEXT\uff1b\u5982\u679c\u9700\u8981\u5b58\u5132\u9577\u6587\u672c\uff0c\u5247\u61c9\u8003\u616eMEDIUMTEXT\u6216LONGTEXT\u3002<\/li>\n<li><strong>\u6027\u80fd\u8003\u91cf<\/strong>: \u4e0d\u540c\u7684\u6578\u64da\u985e\u578b\u5728\u6027\u80fd\u4e0a\u53ef\u80fd\u6703\u6709\u6240\u4e0d\u540c\u3002\u4e00\u822c\u4f86\u8aaa\uff0c\u8f03\u5c0f\u7684\u6578\u64da\u985e\u578b\u5728\u67e5\u8a62\u548c\u5b58\u5132\u4e0a\u6703\u66f4\u9ad8\u6548\u3002<\/li>\n<li><strong>\u517c\u5bb9\u6027<\/strong>: \u78ba\u4fdd\u6240\u9078\u64c7\u7684\u6578\u64da\u985e\u578b\u8207\u61c9\u7528\u7a0b\u5e8f\u7684\u9700\u6c42\u548c\u5176\u4ed6\u7cfb\u7d71\u7684\u517c\u5bb9\u6027\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%a4%ba%e4%be%8b%e4%bb%a3%e7%a2%bc-THiuWudHjx\">\u793a\u4f8b\u4ee3\u78bc<\/h2>\n<p>\u4ee5\u4e0b\u662f\u4f7f\u7528MySQL\u5275\u5efa\u4e00\u500b\u5305\u542b\u4e0d\u540ctext\u6578\u64da\u985e\u578b\u7684\u8868\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>CREATE TABLE articles (\n    id INT AUTO_INCREMENT PRIMARY KEY,\n    title VARCHAR(255) NOT NULL,\n    short_description TINYTEXT,\n    content TEXT,\n    summary MEDIUMTEXT,\n    full_text LONGTEXT\n);<\/code><\/pre>\n<p>\u5728\u9019\u500b\u793a\u4f8b\u4e2d\uff0c\u6211\u5011\u5275\u5efa\u4e86\u4e00\u500b\u540d\u70baarticles\u7684\u8868\uff0c\u4e26\u4f7f\u7528\u4e86\u4e0d\u540c\u7684text\u6578\u64da\u985e\u578b\u4f86\u5b58\u5132\u6587\u7ae0\u7684\u5404\u500b\u90e8\u5206\u3002\u9019\u6a23\u7684\u8a2d\u8a08\u53ef\u4ee5\u6839\u64da\u5be6\u969b\u9700\u6c42\u9748\u6d3b\u9078\u64c7\u5408\u9069\u7684\u6578\u64da\u985e\u578b\u3002<\/p>\n<h2 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