{"id":79990,"date":"2024-10-16T13:48:16","date_gmt":"2024-10-16T05:48:16","guid":{"rendered":"https:\/\/server.hk\/cnblog\/79990\/"},"modified":"2024-10-16T13:48:17","modified_gmt":"2024-10-16T05:48:17","slug":"mysql%e6%8c%87%e4%bb%a4-tinyblob%ef%bc%88%e5%be%ae%e5%9e%8b%e4%ba%8c%e9%80%b2%e5%88%b6%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/79990\/","title":{"rendered":"MySQL\u6307\u4ee4: TINYBLOB\uff08\u5fae\u578b\u4e8c\u9032\u5236\uff09"},"content":{"rendered":"<h1 id=\"mysql%e6%8c%87%e4%bb%a4-tinyblob%ef%bc%88%e5%be%ae%e5%9e%8b%e4%ba%8c%e9%80%b2%e5%88%b6%ef%bc%89-MQQxoPaRdo\">MySQL\u6307\u4ee4: TINYBLOB\uff08\u5fae\u578b\u4e8c\u9032\u5236\uff09<\/h1>\n<p>\u5728MySQL\u8cc7\u6599\u5eab\u4e2d\uff0cTINYBLOB\u662f\u4e00\u7a2e\u7528\u65bc\u5132\u5b58\u4e8c\u9032\u5236\u6578\u64da\u7684\u6578\u64da\u985e\u578b\u3002\u5b83\u7684\u4e3b\u8981\u7279\u9ede\u662f\u80fd\u5920\u5132\u5b58\u6700\u591a255\u5b57\u7bc0\u7684\u6578\u64da\uff0c\u9019\u4f7f\u5f97\u5b83\u975e\u5e38\u9069\u5408\u7528\u65bc\u5132\u5b58\u5c0f\u578b\u7684\u4e8c\u9032\u5236\u6587\u4ef6\uff0c\u5982\u5716\u7247\u3001\u97f3\u983b\u7247\u6bb5\u6216\u5176\u4ed6\u5c0f\u578b\u7684\u4e8c\u9032\u5236\u6578\u64da\u3002<\/p>\n<h2 id=\"tinyblob%e7%9a%84%e7%89%b9%e6%80%a7-MQQxoPaRdo\">TINYBLOB\u7684\u7279\u6027<\/h2>\n<ul>\n<li><strong>\u5132\u5b58\u5bb9\u91cf\uff1a<\/strong>TINYBLOB\u6700\u591a\u53ef\u4ee5\u5132\u5b58255\u5b57\u7bc0\u7684\u6578\u64da\uff0c\u9019\u4f7f\u5f97\u5b83\u5728\u5132\u5b58\u5c0f\u578b\u6578\u64da\u6642\u975e\u5e38\u9ad8\u6548\u3002<\/li>\n<li><strong>\u4e8c\u9032\u5236\u6578\u64da\uff1a<\/strong>TINYBLOB\u5c08\u9580\u7528\u65bc\u5132\u5b58\u4e8c\u9032\u5236\u6578\u64da\uff0c\u9019\u610f\u5473\u8457\u5b83\u4e0d\u6703\u5c0d\u6578\u64da\u9032\u884c\u4efb\u4f55\u7de8\u78bc\u6216\u8f49\u63db\uff0c\u4fdd\u6301\u6578\u64da\u7684\u539f\u59cb\u72c0\u614b\u3002<\/li>\n<li><strong>\u7121\u5b57\u7b26\u96c6\uff1a<\/strong>TINYBLOB\u4e0d\u652f\u6301\u5b57\u7b26\u96c6\uff0c\u9019\u4f7f\u5f97\u5b83\u5728\u8655\u7406\u975e\u6587\u672c\u6578\u64da\u6642\u66f4\u52a0\u9748\u6d3b\u3002<\/li>\n<\/ul>\n<h2 id=\"%e4%bd%bf%e7%94%a8tinyblob%e7%9a%84%e5%a0%b4%e6%99%af-MQQxoPaRdo\">\u4f7f\u7528TINYBLOB\u7684\u5834\u666f<\/h2>\n<p>TINYBLOB\u9069\u5408\u7528\u65bc\u591a\u7a2e\u5834\u666f\uff0c\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u898b\u7684\u61c9\u7528\uff1a<\/p>\n<ul>\n<li><strong>\u5c0f\u578b\u5716\u7247\uff1a<\/strong>\u5982\u679c\u9700\u8981\u5132\u5b58\u5c0f\u578b\u7684\u5716\u7247\u6587\u4ef6\uff0c\u5982\u7528\u6236\u982d\u50cf\u6216\u5c0f\u5716\u6a19\uff0cTINYBLOB\u662f\u4e00\u500b\u7406\u60f3\u7684\u9078\u64c7\u3002<\/li>\n<li><strong>\u97f3\u983b\u7247\u6bb5\uff1a<\/strong>\u5c0d\u65bc\u77ed\u5c0f\u7684\u97f3\u983b\u7247\u6bb5\uff0cTINYBLOB\u53ef\u4ee5\u6709\u6548\u5730\u5132\u5b58\u9019\u4e9b\u6578\u64da\u3002<\/li>\n<li><strong>\u5176\u4ed6\u5c0f\u578b\u4e8c\u9032\u5236\u6578\u64da\uff1a<\/strong>\u4efb\u4f55\u9700\u8981\u5132\u5b58\u5c0f\u578b\u4e8c\u9032\u5236\u6578\u64da\u7684\u61c9\u7528\u90fd\u53ef\u4ee5\u8003\u616e\u4f7f\u7528TINYBLOB\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%a6%82%e4%bd%95%e4%bd%bf%e7%94%a8tinyblob-MQQxoPaRdo\">\u5982\u4f55\u4f7f\u7528TINYBLOB<\/h2>\n<p>\u5728MySQL\u4e2d\u5275\u5efa\u4e00\u500b\u5305\u542bTINYBLOB\u5b57\u6bb5\u7684\u8868\u683c\u975e\u5e38\u7c21\u55ae\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u793a\u4f8b\uff1a<\/p>\n<pre><code>CREATE TABLE example_table (\n    id INT AUTO_INCREMENT PRIMARY KEY,\n    data TINYBLOB\n);<\/code><\/pre>\n<p>\u5728\u9019\u500b\u793a\u4f8b\u4e2d\uff0c\u6211\u5011\u5275\u5efa\u4e86\u4e00\u500b\u540d\u70baexample_table\u7684\u8868\u683c\uff0c\u5176\u4e2d\u5305\u542b\u4e00\u500b\u540d\u70badata\u7684TINYBLOB\u5b57\u6bb5\u3002\u63a5\u4e0b\u4f86\uff0c\u6211\u5011\u53ef\u4ee5\u4f7f\u7528INSERT\u8a9e\u53e5\u5c07\u4e8c\u9032\u5236\u6578\u64da\u63d2\u5165\u5230\u9019\u500b\u8868\u4e2d\uff1a<\/p>\n<pre><code>INSERT INTO example_table (data) VALUES (UNHEX('4D795351'));<\/code><\/pre>\n<p>\u5728\u9019\u500b\u4f8b\u5b50\u4e2d\uff0c\u6211\u5011\u4f7f\u7528UNHEX\u51fd\u6578\u5c07\u5341\u516d\u9032\u5236\u5b57\u7b26\u4e32\u8f49\u63db\u70ba\u4e8c\u9032\u5236\u6578\u64da\u4e26\u63d2\u5165\u5230\u8868\u4e2d\u3002<\/p>\n<h2 id=\"%e6%aa%a2%e7%b4%a2tinyblob%e6%95%b8%e6%93%9a-MQQxoPaRdo\">\u6aa2\u7d22TINYBLOB\u6578\u64da<\/h2>\n<p>\u8981\u6aa2\u7d22TINYBLOB\u6578\u64da\uff0c\u53ef\u4ee5\u4f7f\u7528SELECT\u8a9e\u53e5\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u793a\u4f8b\uff1a<\/p>\n<pre><code>SELECT data FROM example_table WHERE id = 1;<\/code><\/pre>\n<p>\u9019\u689d\u8a9e\u53e5\u5c07\u8fd4\u56deid\u70ba1\u7684\u884c\u4e2d\u7684\u4e8c\u9032\u5236\u6578\u64da\u3002\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c\u7576\u6aa2\u7d22\u4e8c\u9032\u5236\u6578\u64da\u6642\uff0c\u53ef\u80fd\u9700\u8981\u6839\u64da\u61c9\u7528\u7a0b\u5e8f\u7684\u9700\u6c42\u9032\u884c\u9069\u7576\u7684\u8655\u7406\u3002<\/p>\n<h2 id=\"%e6%b3%a8%e6%84%8f%e4%ba%8b%e9%a0%85-MQQxoPaRdo\">\u6ce8\u610f\u4e8b\u9805<\/h2>\n<p>\u5118\u7ba1TINYBLOB\u5728\u5132\u5b58\u5c0f\u578b\u4e8c\u9032\u5236\u6578\u64da\u65b9\u9762\u975e\u5e38\u6709\u6548\uff0c\u4f46\u5728\u4f7f\u7528\u6642\u4ecd\u9700\u8003\u616e\u4ee5\u4e0b\u5e7e\u9ede\uff1a<\/p>\n<ul>\n<li><strong>\u6578\u64da\u5927\u5c0f\uff1a<\/strong>\u7531\u65bcTINYBLOB\u7684\u5927\u5c0f\u9650\u5236\uff0c\u5c0d\u65bc\u8f03\u5927\u7684\u4e8c\u9032\u5236\u6578\u64da\uff0c\u61c9\u8003\u616e\u4f7f\u7528BLOB\u6216MEDIUMBLOB\u7b49\u5176\u4ed6\u6578\u64da\u985e\u578b\u3002<\/li>\n<li><strong>\u6027\u80fd\u8003\u91cf\uff1a<\/strong>\u5728\u9ad8\u983b\u7387\u7684\u8b80\u5beb\u64cd\u4f5c\u4e2d\uff0c\u5132\u5b58\u4e8c\u9032\u5236\u6578\u64da\u53ef\u80fd\u6703\u5f71\u97ff\u6027\u80fd\uff0c\u56e0\u6b64\u9700\u8981\u6839\u64da\u5177\u9ad4\u60c5\u6cc1\u9032\u884c\u512a\u5316\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-MQQxoPaRdo\">\u7e3d\u7d50<\/h2>\n<p>TINYBLOB\u662f\u4e00\u7a2e\u975e\u5e38\u5be6\u7528\u7684MySQL\u6578\u64da\u985e\u578b\uff0c\u9069\u5408\u7528\u65bc\u5132\u5b58\u5c0f\u578b\u7684\u4e8c\u9032\u5236\u6578\u64da\u3002\u7121\u8ad6\u662f\u7528\u65bc\u5132\u5b58\u5716\u7247\u3001\u97f3\u983b\u9084\u662f\u5176\u4ed6\u5c0f\u578b\u4e8c\u9032\u5236\u6578\u64da\uff0cTINYBLOB\u90fd\u80fd\u63d0\u4f9b\u9ad8\u6548\u7684\u89e3\u6c7a\u65b9\u6848\u3002\u5c0d\u65bc\u9700\u8981\u66f4\u5927\u5bb9\u91cf\u7684\u6578\u64da\uff0c\u5247\u53ef\u4ee5\u8003\u616e\u4f7f\u7528\u5176\u4ed6\u985e\u578b\u7684BLOB\u3002\u82e5\u60a8\u5c0d\u65bcVPS\u6216\u5176\u4ed6\u4f3a\u670d\u5668\u89e3\u6c7a\u65b9\u6848\u6709\u8208\u8da3\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u4e86\u89e3\u66f4\u591a\u8cc7\u8a0a\uff0c\u63a2\u7d22\u6211\u5011\u7684<a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a>\u670d\u52d9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e86\u89e3MySQL\u4e2d\u7684TINYBLOB\u6307\u4ee4\uff0c\u63a2\u7d22\u5176\u7528\u6cd5\u3001\u7279\u6027\u53ca\u5728\u6578\u64da\u5eab\u4e2d\u5b58\u5132\u5fae\u578b\u4e8c\u9032\u5236\u6578\u64da\u7684\u61c9\u7528\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-79990","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/79990","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=79990"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/79990\/revisions"}],"predecessor-version":[{"id":79991,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/79990\/revisions\/79991"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=79990"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=79990"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=79990"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}