{"id":80958,"date":"2024-10-16T14:51:15","date_gmt":"2024-10-16T06:51:15","guid":{"rendered":"https:\/\/server.hk\/cnblog\/80958\/"},"modified":"2024-10-16T14:51:15","modified_gmt":"2024-10-16T06:51:15","slug":"mysql%e5%ad%97%e7%ac%a6%e9%9b%86%e5%b8%b8%e8%a6%8b%e5%95%8f%e9%a1%8c%e7%9a%84%e8%a7%a3%e6%b1%ba","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/80958\/","title":{"rendered":"MySQL\u5b57\u7b26\u96c6\u5e38\u898b\u554f\u984c\u7684\u89e3\u6c7a"},"content":{"rendered":"<h1 id=\"mysql%e5%ad%97%e7%ac%a6%e9%9b%86%e5%b8%b8%e8%a6%8b%e5%95%8f%e9%a1%8c%e7%9a%84%e8%a7%a3%e6%b1%ba-cXPEfJJTQZ\">MySQL\u5b57\u7b26\u96c6\u5e38\u898b\u554f\u984c\u7684\u89e3\u6c7a<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u6578\u64da\u5eab\u7ba1\u7406\u4e2d\uff0c\u5b57\u7b26\u96c6\u7684\u9078\u64c7\u5c0d\u65bc\u6578\u64da\u7684\u6b63\u78ba\u5b58\u5132\u548c\u6aa2\u7d22\u81f3\u95dc\u91cd\u8981\u3002MySQL\u4f5c\u70ba\u4e00\u500b\u6d41\u884c\u7684\u958b\u6e90\u6578\u64da\u5eab\u7cfb\u7d71\uff0c\u63d0\u4f9b\u4e86\u591a\u7a2e\u5b57\u7b26\u96c6\u9078\u64c7\uff0c\u4f46\u9019\u4e5f\u53ef\u80fd\u5c0e\u81f4\u4e00\u4e9b\u5e38\u898b\u554f\u984c\u3002\u672c\u6587\u5c07\u63a2\u8a0eMySQL\u5b57\u7b26\u96c6\u7684\u5e38\u898b\u554f\u984c\u53ca\u5176\u89e3\u6c7a\u65b9\u6848\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af%e5%ad%97%e7%ac%a6%e9%9b%86%ef%bc%9f-cXPEfJJTQZ\">\u4ec0\u9ebc\u662f\u5b57\u7b26\u96c6\uff1f<\/h2>\n<p>\u5b57\u7b26\u96c6\u662f\u7528\u4f86\u5b9a\u7fa9\u5982\u4f55\u5728\u6578\u64da\u5eab\u4e2d\u5b58\u5132\u548c\u8868\u793a\u5b57\u7b26\u7684\u96c6\u5408\u3002MySQL\u652f\u6301\u591a\u7a2e\u5b57\u7b26\u96c6\uff0c\u5982utf8\u3001utf8mb4\u3001latin1\u7b49\u3002\u9078\u64c7\u5408\u9069\u7684\u5b57\u7b26\u96c6\u53ef\u4ee5\u78ba\u4fdd\u6578\u64da\u7684\u6b63\u78ba\u6027\u548c\u5b8c\u6574\u6027\u3002<\/p>\n<h2 id=\"%e5%b8%b8%e8%a6%8b%e5%95%8f%e9%a1%8c%e5%8f%8a%e8%a7%a3%e6%b1%ba%e6%96%b9%e6%a1%88-cXPEfJJTQZ\">\u5e38\u898b\u554f\u984c\u53ca\u89e3\u6c7a\u65b9\u6848<\/h2>\n<h3 id=\"1-%e5%ad%97%e7%ac%a6%e9%9b%86%e4%b8%8d%e5%8c%b9%e9%85%8d-cXPEfJJTQZ\">1. \u5b57\u7b26\u96c6\u4e0d\u5339\u914d<\/h3>\n<p>\u7576\u6578\u64da\u5eab\u7684\u5b57\u7b26\u96c6\u8207\u61c9\u7528\u7a0b\u5e8f\u7684\u5b57\u7b26\u96c6\u4e0d\u5339\u914d\u6642\uff0c\u53ef\u80fd\u6703\u5c0e\u81f4\u6578\u64da\u986f\u793a\u4e0d\u6b63\u78ba\u3002\u4f8b\u5982\uff0c\u82e5\u6578\u64da\u5eab\u4f7f\u7528utf8mb4\u5b57\u7b26\u96c6\uff0c\u800c\u61c9\u7528\u7a0b\u5e8f\u4f7f\u7528latin1\u5b57\u7b26\u96c6\uff0c\u5247\u5728\u5b58\u5132\u548c\u6aa2\u7d22\u6578\u64da\u6642\u53ef\u80fd\u6703\u51fa\u73fe\u4e82\u78bc\u3002<\/p>\n<pre><code>-- \u6aa2\u67e5\u6578\u64da\u5eab\u5b57\u7b26\u96c6\nSHOW VARIABLES LIKE 'character_set_database';\n<\/code><\/pre>\n<p>\u89e3\u6c7a\u65b9\u6848\u662f\u78ba\u4fdd\u6578\u64da\u5eab\u3001\u8868\u548c\u5217\u7684\u5b57\u7b26\u96c6\u4e00\u81f4\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0bSQL\u8a9e\u53e5\u4f86\u4fee\u6539\u5b57\u7b26\u96c6\uff1a<\/p>\n<pre><code>ALTER DATABASE your_database_name CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;\n<\/code><\/pre>\n<h3 id=\"2-%e6%8f%92%e5%85%a5%e6%95%b8%e6%93%9a%e6%99%82%e5%87%ba%e7%8f%be%e4%ba%82%e7%a2%bc-cXPEfJJTQZ\">2. \u63d2\u5165\u6578\u64da\u6642\u51fa\u73fe\u4e82\u78bc<\/h3>\n<p>\u5728\u63d2\u5165\u6578\u64da\u6642\uff0c\u5982\u679c\u5b57\u7b26\u96c6\u8a2d\u7f6e\u4e0d\u6b63\u78ba\uff0c\u53ef\u80fd\u6703\u5c0e\u81f4\u6578\u64da\u4e82\u78bc\u3002\u9019\u901a\u5e38\u767c\u751f\u5728\u5f9e\u5916\u90e8\u4f86\u6e90\u5c0e\u5165\u6578\u64da\u6642\u3002<\/p>\n<p>\u70ba\u4e86\u89e3\u6c7a\u9019\u500b\u554f\u984c\uff0c\u9996\u5148\u8981\u78ba\u4fdd\u9023\u63a5\u7684\u5b57\u7b26\u96c6\u6b63\u78ba\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u8a2d\u7f6e\u9023\u63a5\u5b57\u7b26\u96c6\uff1a<\/p>\n<pre><code>SET NAMES 'utf8mb4';\n<\/code><\/pre>\n<p>\u6b64\u5916\uff0c\u78ba\u4fdd\u5728\u5c0e\u5165\u6578\u64da\u6642\u4f7f\u7528\u6b63\u78ba\u7684\u5b57\u7b26\u96c6\u9078\u9805\u3002\u4f8b\u5982\uff0c\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u5c0e\u5165CSV\u6587\u4ef6\uff1a<\/p>\n<pre><code>LOAD DATA INFILE 'file.csv' \nINTO TABLE your_table \nCHARACTER SET utf8mb4 \nFIELDS TERMINATED BY ',' \nLINES TERMINATED BY 'n';\n<\/code><\/pre>\n<h3 id=\"3-%e6%9f%a5%e8%a9%a2%e7%b5%90%e6%9e%9c%e9%a1%af%e7%a4%ba%e4%b8%8d%e6%ad%a3%e7%a2%ba-cXPEfJJTQZ\">3. \u67e5\u8a62\u7d50\u679c\u986f\u793a\u4e0d\u6b63\u78ba<\/h3>\n<p>\u5982\u679c\u67e5\u8a62\u7d50\u679c\u4e2d\u7684\u5b57\u7b26\u986f\u793a\u4e0d\u6b63\u78ba\uff0c\u53ef\u80fd\u662f\u56e0\u70ba\u5ba2\u6236\u7aef\u7684\u5b57\u7b26\u96c6\u8a2d\u7f6e\u4e0d\u7576\u3002\u53ef\u4ee5\u901a\u904e\u4ee5\u4e0b\u547d\u4ee4\u6aa2\u67e5\u5ba2\u6236\u7aef\u7684\u5b57\u7b26\u96c6\uff1a<\/p>\n<pre><code>SHOW VARIABLES LIKE 'character_set_client';\n<\/code><\/pre>\n<p>\u5982\u679c\u9700\u8981\u66f4\u6539\u5ba2\u6236\u7aef\u5b57\u7b26\u96c6\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\uff1a<\/p>\n<pre><code>SET NAMES 'utf8mb4';\n<\/code><\/pre>\n<h3 id=\"4-%e6%95%b8%e6%93%9a%e5%ba%ab%e5%82%99%e4%bb%bd%e5%92%8c%e6%81%a2%e5%be%a9%e4%b8%ad%e7%9a%84%e5%ad%97%e7%ac%a6%e9%9b%86%e5%95%8f%e9%a1%8c-cXPEfJJTQZ\">4. \u6578\u64da\u5eab\u5099\u4efd\u548c\u6062\u5fa9\u4e2d\u7684\u5b57\u7b26\u96c6\u554f\u984c<\/h3>\n<p>\u5728\u9032\u884c\u6578\u64da\u5eab\u5099\u4efd\u548c\u6062\u5fa9\u6642\uff0c\u5b57\u7b26\u96c6\u554f\u984c\u4e5f\u53ef\u80fd\u5c0e\u81f4\u6578\u64da\u640d\u58de\u3002\u5efa\u8b70\u5728\u5099\u4efd\u6642\u6307\u5b9a\u5b57\u7b26\u96c6\uff1a<\/p>\n<pre><code>mysqldump --default-character-set=utf8mb4 -u username -p database_name &gt; backup.sql\n<\/code><\/pre>\n<p>\u5728\u6062\u5fa9\u6578\u64da\u6642\uff0c\u540c\u6a23\u9700\u8981\u6307\u5b9a\u5b57\u7b26\u96c6\uff1a<\/p>\n<pre><code>mysql --default-character-set=utf8mb4 -u username -p database_name &lt; backup.sql\n<\/code><\/pre>\n<h2 id=\"%e7%b8%bd%e7%b5%90-cXPEfJJTQZ\">\u7e3d\u7d50<\/h2>\n<p>MySQL\u5b57\u7b26\u96c6\u7684\u9078\u64c7\u548c\u8a2d\u7f6e\u5c0d\u65bc\u6578\u64da\u7684\u6b63\u78ba\u5b58\u5132\u548c\u6aa2\u7d22\u81f3\u95dc\u91cd\u8981\u3002\u901a\u904e\u4e86\u89e3\u5e38\u898b\u7684\u5b57\u7b26\u96c6\u554f\u984c\u53ca\u5176\u89e3\u6c7a\u65b9\u6848\uff0c\u60a8\u53ef\u4ee5\u6709\u6548\u5730\u7ba1\u7406\u6578\u64da\u5eab\u4e2d\u7684\u5b57\u7b26\u96c6\uff0c\u907f\u514d\u6578\u64da\u4e82\u78bc\u548c\u986f\u793a\u4e0d\u6b63\u78ba\u7684\u60c5\u6cc1\u3002\u5982\u679c\u60a8\u9700\u8981\u9032\u4e00\u6b65\u7684\u652f\u6301\u6216\u5c0b\u627e\u5408\u9069\u7684 <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u89e3\u6c7a\u65b9\u6848\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u4ee5\u7372\u53d6\u66f4\u591a\u4fe1\u606f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u89e3\u51b3MySQL\u5b57\u7b26\u96c6\u5e38\u89c1\u95ee\u9898\uff0c\u63d0\u4f9b\u5b9e\u7528\u6280\u5de7\u4e0e\u6700\u4f73\u5b9e\u8df5\uff0c\u786e\u4fdd\u6570\u636e\u5b58\u50a8\u4e0e\u67e5\u8be2\u7684\u51c6\u786e\u6027\u4e0e\u4e00\u81f4\u6027\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-80958","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/80958","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=80958"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/80958\/revisions"}],"predecessor-version":[{"id":80959,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/80958\/revisions\/80959"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=80958"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=80958"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=80958"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}