{"id":190686,"date":"2024-11-12T14:39:18","date_gmt":"2024-11-12T06:39:18","guid":{"rendered":"https:\/\/server.hk\/cnblog\/190686\/"},"modified":"2024-11-12T14:39:19","modified_gmt":"2024-11-12T06:39:19","slug":"%e4%ba%94%e6%ad%a5%e6%95%99%e4%bd%a0%e8%bc%95%e9%ac%86%e4%bf%ae%e6%94%b9%e6%95%b8%e6%93%9a%e5%ba%ab%e8%a1%a8-%e6%80%8e%e6%a8%a3%e4%bf%ae%e6%94%b9%e6%95%b8%e6%93%9a%e5%ba%ab%e8%a1%a8","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/190686\/","title":{"rendered":"\u4e94\u6b65\u6559\u4f60\u8f15\u9b06\u4fee\u6539\u6578\u64da\u5eab\u8868 (\u600e\u6a23\u4fee\u6539\u6578\u64da\u5eab\u8868)"},"content":{"rendered":"<h1 id=\"%e4%ba%94%e6%ad%a5%e6%95%99%e4%bd%a0%e8%bc%95%e9%ac%86%e4%bf%ae%e6%94%b9%e6%95%b8%e6%93%9a%e5%ba%ab%e8%a1%a8-%e6%80%8e%e6%a8%a3%e4%bf%ae%e6%94%b9%e6%95%b8%e6%93%9a%e5%ba%ab%e8%a1%a8-yOBMFCurvo\">\u4e94\u6b65\u6559\u4f60\u8f15\u9b06\u4fee\u6539\u6578\u64da\u5eab\u8868 (\u600e\u6a23\u4fee\u6539\u6578\u64da\u5eab\u8868)<\/h1>\n<p>\u5728\u6578\u64da\u5eab\u7ba1\u7406\u4e2d\uff0c\u4fee\u6539\u6578\u64da\u5eab\u8868\u662f\u4e00\u9805\u5e38\u898b\u7684\u4efb\u52d9\u3002\u7121\u8ad6\u662f\u6dfb\u52a0\u65b0\u6b04\u4f4d\u3001\u522a\u9664\u4e0d\u518d\u9700\u8981\u7684\u6b04\u4f4d\uff0c\u9084\u662f\u66f4\u6539\u6b04\u4f4d\u7684\u6578\u64da\u985e\u578b\uff0c\u9019\u4e9b\u64cd\u4f5c\u90fd\u9700\u8981\u8b39\u614e\u9032\u884c\uff0c\u4ee5\u78ba\u4fdd\u6578\u64da\u7684\u5b8c\u6574\u6027\u548c\u4e00\u81f4\u6027\u3002\u672c\u6587\u5c07\u901a\u904e\u4e94\u500b\u7c21\u55ae\u7684\u6b65\u9a5f\uff0c\u6559\u4f60\u5982\u4f55\u8f15\u9b06\u5730\u4fee\u6539\u6578\u64da\u5eab\u8868\u3002<\/p>\n<h2 id=\"%e6%ad%a5%e9%a9%9f%e4%b8%80%ef%bc%9a%e5%82%99%e4%bb%bd%e6%95%b8%e6%93%9a%e5%ba%ab-yOBMFCurvo\">\u6b65\u9a5f\u4e00\uff1a\u5099\u4efd\u6578\u64da\u5eab<\/h2>\n<p>\u5728\u9032\u884c\u4efb\u4f55\u4fee\u6539\u4e4b\u524d\uff0c\u9996\u5148\u8981\u5099\u4efd\u6578\u64da\u5eab\u3002\u9019\u6a23\u53ef\u4ee5\u9632\u6b62\u5728\u4fee\u6539\u904e\u7a0b\u4e2d\u51fa\u73fe\u610f\u5916\u60c5\u6cc1\u5c0e\u81f4\u6578\u64da\u4e1f\u5931\u3002\u4f60\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0bSQL\u547d\u4ee4\u4f86\u5099\u4efd\u6578\u64da\u5eab\uff1a<\/p>\n<pre><code>mysqldump -u username -p database_name &gt; backup_file.sql<\/code><\/pre>\n<p>\u8acb\u5c07<code>username<\/code>\u66ff\u63db\u70ba\u4f60\u7684\u6578\u64da\u5eab\u7528\u6236\u540d\uff0c<code>database_name<\/code>\u66ff\u63db\u70ba\u4f60\u7684\u6578\u64da\u5eab\u540d\u7a31\uff0c<code>backup_file.sql<\/code>\u5247\u662f\u4f60\u5e0c\u671b\u4fdd\u5b58\u7684\u5099\u4efd\u6587\u4ef6\u540d\u3002<\/p>\n<h2 id=\"%e6%ad%a5%e9%a9%9f%e4%ba%8c%ef%bc%9a%e9%80%a3%e6%8e%a5%e5%88%b0%e6%95%b8%e6%93%9a%e5%ba%ab-yOBMFCurvo\">\u6b65\u9a5f\u4e8c\uff1a\u9023\u63a5\u5230\u6578\u64da\u5eab<\/h2>\n<p>\u4f7f\u7528\u5408\u9069\u7684\u6578\u64da\u5eab\u7ba1\u7406\u5de5\u5177\uff08\u5982phpMyAdmin\u3001MySQL Workbench\u6216\u547d\u4ee4\u884c\u5de5\u5177\uff09\u9023\u63a5\u5230\u4f60\u7684\u6578\u64da\u5eab\u3002\u78ba\u4fdd\u4f60\u64c1\u6709\u8db3\u5920\u7684\u6b0a\u9650\u4f86\u9032\u884c\u4fee\u6539\u64cd\u4f5c\u3002<\/p>\n<h2 id=\"%e6%ad%a5%e9%a9%9f%e4%b8%89%ef%bc%9a%e6%9f%a5%e7%9c%8b%e7%95%b6%e5%89%8d%e8%a1%a8%e7%b5%90%e6%a7%8b-yOBMFCurvo\">\u6b65\u9a5f\u4e09\uff1a\u67e5\u770b\u7576\u524d\u8868\u7d50\u69cb<\/h2>\n<p>\u5728\u9032\u884c\u4fee\u6539\u4e4b\u524d\uff0c\u4e86\u89e3\u7576\u524d\u8868\u7684\u7d50\u69cb\u662f\u975e\u5e38\u91cd\u8981\u7684\u3002\u4f60\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0bSQL\u547d\u4ee4\u4f86\u67e5\u770b\u8868\u7684\u7d50\u69cb\uff1a<\/p>\n<pre><code>DESCRIBE table_name;<\/code><\/pre>\n<p>\u5c07<code>table_name<\/code>\u66ff\u63db\u70ba\u4f60\u8981\u4fee\u6539\u7684\u8868\u540d\u3002\u9019\u5c07\u986f\u793a\u8a72\u8868\u7684\u6240\u6709\u6b04\u4f4d\u53ca\u5176\u6578\u64da\u985e\u578b\u3002<\/p>\n<h2 id=\"%e6%ad%a5%e9%a9%9f%e5%9b%9b%ef%bc%9a%e4%bf%ae%e6%94%b9%e8%a1%a8%e7%b5%90%e6%a7%8b-yOBMFCurvo\">\u6b65\u9a5f\u56db\uff1a\u4fee\u6539\u8868\u7d50\u69cb<\/h2>\n<p>\u6839\u64da\u4f60\u7684\u9700\u6c42\uff0c\u4f7f\u7528<code>ALTER TABLE<\/code>\u8a9e\u53e5\u4f86\u4fee\u6539\u8868\u7d50\u69cb\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u898b\u7684\u4fee\u6539\u64cd\u4f5c\uff1a<\/p>\n<ul>\n<li><strong>\u6dfb\u52a0\u65b0\u6b04\u4f4d\uff1a<\/strong><\/li>\n<pre><code>ALTER TABLE table_name ADD column_name datatype;<\/code><\/pre>\n<li><strong>\u522a\u9664\u6b04\u4f4d\uff1a<\/strong><\/li>\n<pre><code>ALTER TABLE table_name DROP COLUMN column_name;<\/code><\/pre>\n<li><strong>\u4fee\u6539\u6b04\u4f4d\u6578\u64da\u985e\u578b\uff1a<\/strong><\/li>\n<pre><code>ALTER TABLE table_name MODIFY column_name new_datatype;<\/code><\/pre>\n<\/ul>\n<p>\u8acb\u6839\u64da\u5be6\u969b\u60c5\u6cc1\u66ff\u63db<code>table_name<\/code>\u3001<code>column_name<\/code>\u548c<code>datatype<\/code>\u3002<\/p>\n<h2 id=\"%e6%ad%a5%e9%a9%9f%e4%ba%94%ef%bc%9a%e9%a9%97%e8%ad%89%e4%bf%ae%e6%94%b9%e7%b5%90%e6%9e%9c-yOBMFCurvo\">\u6b65\u9a5f\u4e94\uff1a\u9a57\u8b49\u4fee\u6539\u7d50\u679c<\/h2>\n<p>\u5b8c\u6210\u4fee\u6539\u5f8c\uff0c\u4f7f\u7528<code>DESCRIBE<\/code>\u547d\u4ee4\u518d\u6b21\u67e5\u770b\u8868\u7d50\u69cb\uff0c\u4ee5\u78ba\u4fdd\u6240\u6709\u4fee\u6539\u90fd\u5df2\u6b63\u78ba\u61c9\u7528\uff1a<\/p>\n<pre><code>DESCRIBE table_name;<\/code><\/pre>\n<p>\u6b64\u5916\uff0c\u9032\u884c\u4e00\u4e9b\u67e5\u8a62\u4ee5\u78ba\u8a8d\u6578\u64da\u7684\u5b8c\u6574\u6027\u548c\u6b63\u78ba\u6027\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-yOBMFCurvo\">\u7e3d\u7d50<\/h2>\n<p>\u901a\u904e\u4ee5\u4e0a\u4e94\u500b\u6b65\u9a5f\uff0c\u4f60\u53ef\u4ee5\u8f15\u9b06\u5730\u4fee\u6539\u6578\u64da\u5eab\u8868\u3002\u8a18\u5f97\u5728\u9032\u884c\u4efb\u4f55\u4fee\u6539\u4e4b\u524d\u5099\u4efd\u6578\u64da\u5eab\uff0c\u4ee5\u9632\u6b62\u6578\u64da\u4e1f\u5931\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u6548\u7ba1\u7406\u6578\u64da\u5eab\u7684\u7528\u6236\uff0c\u9078\u64c7\u5408\u9069\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u65b9\u6848\u53ef\u4ee5\u63d0\u4f9b\u66f4\u597d\u7684\u6027\u80fd\u548c\u9748\u6d3b\u6027\u3002\u7121\u8ad6\u662f\u4f7f\u7528 <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u9084\u662f\u5176\u4ed6\u670d\u52d9\uff0c\u78ba\u4fdd\u4f60\u7684\u6578\u64da\u5eab\u904b\u884c\u5728\u7a69\u5b9a\u7684\u74b0\u5883\u4e2d\u662f\u81f3\u95dc\u91cd\u8981\u7684\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5b78\u7fd2\u4e94\u500b\u7c21\u55ae\u6b65\u9a5f\uff0c\u8f15\u9b06\u4fee\u6539\u6578\u64da\u5eab\u8868\uff0c\u63d0\u5347\u6578\u64da\u7ba1\u7406\u6548\u7387\uff0c\u8b93\u4f60\u7684\u6578\u64da\u5eab\u64cd\u4f5c\u66f4\u5f97\u5fc3\u61c9\u624b\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-190686","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/190686","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=190686"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/190686\/revisions"}],"predecessor-version":[{"id":190687,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/190686\/revisions\/190687"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=190686"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=190686"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=190686"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}