{"id":161015,"date":"2024-11-04T02:54:19","date_gmt":"2024-11-03T18:54:19","guid":{"rendered":"https:\/\/server.hk\/cnblog\/161015\/"},"modified":"2024-11-04T02:54:20","modified_gmt":"2024-11-03T18:54:20","slug":"%e6%81%a2%e5%be%a9%e6%95%b8%e6%93%9a%ef%bc%9f-%e6%95%b8%e6%93%9a%e5%ba%ab%e9%87%8d%e5%95%9f%e5%81%9c%e7%94%a8%e5%be%8c%e5%a6%82%e4%bd%95","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/161015\/","title":{"rendered":"\u6062\u5fa9\u6578\u64da\uff1f (\u6578\u64da\u5eab\u91cd\u555f\u505c\u7528\u5f8c\u5982\u4f55)"},"content":{"rendered":"<h1 id=\"%e6%81%a2%e5%be%a9%e6%95%b8%e6%93%9a%ef%bc%9f-%e6%95%b8%e6%93%9a%e5%ba%ab%e9%87%8d%e5%95%9f%e5%81%9c%e7%94%a8%e5%be%8c%e5%a6%82%e4%bd%95-YCLemOaEPT\">\u6062\u5fa9\u6578\u64da\uff1f (\u6578\u64da\u5eab\u91cd\u555f\u505c\u7528\u5f8c\u5982\u4f55)<\/h1>\n<p>\u5728\u7576\u4eca\u6578\u64da\u9a45\u52d5\u7684\u4e16\u754c\u4e2d\uff0c\u6578\u64da\u7684\u5b89\u5168\u6027\u548c\u53ef\u7528\u6027\u81f3\u95dc\u91cd\u8981\u3002\u7121\u8ad6\u662f\u4f01\u696d\u9084\u662f\u500b\u4eba\u7528\u6236\uff0c\u6578\u64da\u4e1f\u5931\u90fd\u53ef\u80fd\u5c0e\u81f4\u91cd\u5927\u7684\u640d\u5931\u3002\u56e0\u6b64\uff0c\u4e86\u89e3\u5982\u4f55\u5728\u6578\u64da\u5eab\u91cd\u555f\u6216\u505c\u7528\u5f8c\u6062\u5fa9\u6578\u64da\u662f\u6bcf\u500b\u7528\u6236\u5fc5\u9808\u638c\u63e1\u7684\u6280\u80fd\u3002<\/p>\n<h2 id=\"%e6%95%b8%e6%93%9a%e5%ba%ab%e9%87%8d%e5%95%9f%e7%9a%84%e5%8e%9f%e5%9b%a0-YCLemOaEPT\">\u6578\u64da\u5eab\u91cd\u555f\u7684\u539f\u56e0<\/h2>\n<p>\u6578\u64da\u5eab\u91cd\u555f\u53ef\u80fd\u7531\u591a\u7a2e\u539f\u56e0\u5f15\u8d77\uff0c\u5305\u62ec\u4f46\u4e0d\u9650\u65bc\uff1a<\/p>\n<ul>\n<li>\u7cfb\u7d71\u66f4\u65b0\u6216\u7dad\u8b77<\/li>\n<li>\u786c\u9ad4\u6545\u969c<\/li>\n<li>\u6578\u64da\u5eab\u914d\u7f6e\u66f4\u6539<\/li>\n<li>\u61c9\u7528\u7a0b\u5e8f\u932f\u8aa4\u6216\u5d29\u6f70<\/li>\n<\/ul>\n<p>\u5728\u9019\u4e9b\u60c5\u6cc1\u4e0b\uff0c\u6578\u64da\u5eab\u53ef\u80fd\u6703\u66ab\u6642\u7121\u6cd5\u8a2a\u554f\uff0c\u9019\u6642\u5019\u7528\u6236\u9700\u8981\u77e5\u9053\u5982\u4f55\u6709\u6548\u5730\u6062\u5fa9\u6578\u64da\u3002<\/p>\n<h2 id=\"%e6%95%b8%e6%93%9a%e5%ba%ab%e6%81%a2%e5%be%a9%e7%9a%84%e5%9f%ba%e6%9c%ac%e6%ad%a5%e9%a9%9f-YCLemOaEPT\">\u6578\u64da\u5eab\u6062\u5fa9\u7684\u57fa\u672c\u6b65\u9a5f<\/h2>\n<p>\u6062\u5fa9\u6578\u64da\u7684\u904e\u7a0b\u901a\u5e38\u5305\u62ec\u4ee5\u4e0b\u5e7e\u500b\u6b65\u9a5f\uff1a<\/p>\n<h3 id=\"1-%e7%a2%ba%e8%aa%8d%e6%95%b8%e6%93%9a%e5%ba%ab%e7%8b%80%e6%85%8b-YCLemOaEPT\">1. \u78ba\u8a8d\u6578\u64da\u5eab\u72c0\u614b<\/h3>\n<p>\u5728\u9032\u884c\u4efb\u4f55\u6062\u5fa9\u64cd\u4f5c\u4e4b\u524d\uff0c\u9996\u5148\u9700\u8981\u78ba\u8a8d\u6578\u64da\u5eab\u7684\u7576\u524d\u72c0\u614b\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b SQL \u547d\u4ee4\u4f86\u6aa2\u67e5\u6578\u64da\u5eab\u7684\u72c0\u614b\uff1a<\/p>\n<pre><code>SHOW DATABASES;<\/code><\/pre>\n<h3 id=\"2-%e6%ba%96%e5%82%99%e5%82%99%e4%bb%bd-YCLemOaEPT\">2. \u6e96\u5099\u5099\u4efd<\/h3>\n<p>\u5982\u679c\u60a8\u6709\u5b9a\u671f\u5099\u4efd\uff0c\u9019\u5c07\u662f\u6062\u5fa9\u6578\u64da\u7684\u6700\u4f73\u9078\u64c7\u3002\u78ba\u4fdd\u60a8\u64c1\u6709\u6700\u65b0\u7684\u5099\u4efd\u6587\u4ef6\uff0c\u4e26\u4e86\u89e3\u5176\u5b58\u5132\u4f4d\u7f6e\u3002\u5099\u4efd\u6587\u4ef6\u901a\u5e38\u4ee5 SQL \u683c\u5f0f\u5b58\u5132\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u4f86\u6062\u5fa9\u6578\u64da\uff1a<\/p>\n<pre><code>mysql -u username -p database_name &lt; backup_file.sql<\/code><\/pre>\n<h3 id=\"3-%e4%bd%bf%e7%94%a8%e6%97%a5%e8%aa%8c%e6%96%87%e4%bb%b6%e6%81%a2%e5%be%a9-YCLemOaEPT\">3. \u4f7f\u7528\u65e5\u8a8c\u6587\u4ef6\u6062\u5fa9<\/h3>\n<p>\u5982\u679c\u60a8\u6c92\u6709\u5099\u4efd\uff0c\u60a8\u53ef\u4ee5\u8003\u616e\u4f7f\u7528\u6578\u64da\u5eab\u7684\u65e5\u8a8c\u6587\u4ef6\u9032\u884c\u6062\u5fa9\u3002\u5927\u591a\u6578\u6578\u64da\u5eab\u7cfb\u7d71\uff08\u5982 MySQL \u548c PostgreSQL\uff09\u90fd\u6703\u751f\u6210\u65e5\u8a8c\u6587\u4ef6\uff0c\u9019\u4e9b\u6587\u4ef6\u8a18\u9304\u4e86\u6240\u6709\u7684\u6578\u64da\u8b8a\u66f4\u3002\u60a8\u53ef\u4ee5\u4f7f\u7528\u9019\u4e9b\u65e5\u8a8c\u6587\u4ef6\u4f86\u6062\u5fa9\u5230\u67d0\u500b\u7279\u5b9a\u7684\u6642\u9593\u9ede\u3002<\/p>\n<h3 id=\"4-%e6%aa%a2%e6%9f%a5%e6%95%b8%e6%93%9a%e5%ae%8c%e6%95%b4%e6%80%a7-YCLemOaEPT\">4. \u6aa2\u67e5\u6578\u64da\u5b8c\u6574\u6027<\/h3>\n<p>\u5728\u6062\u5fa9\u904e\u7a0b\u5b8c\u6210\u5f8c\uff0c\u52d9\u5fc5\u6aa2\u67e5\u6578\u64da\u7684\u5b8c\u6574\u6027\u3002\u9019\u53ef\u4ee5\u901a\u904e\u57f7\u884c\u4e00\u4e9b\u67e5\u8a62\u4f86\u78ba\u4fdd\u6578\u64da\u7684\u6b63\u78ba\u6027\u548c\u4e00\u81f4\u6027\u3002\u4f8b\u5982\uff1a<\/p>\n<pre><code>SELECT COUNT(*) FROM table_name;<\/code><\/pre>\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-YCLemOaEPT\">\u5e38\u898b\u554f\u984c\u53ca\u89e3\u6c7a\u65b9\u6848<\/h2>\n<h3 id=\"1-%e6%95%b8%e6%93%9a%e5%ba%ab%e7%84%a1%e6%b3%95%e5%95%9f%e5%8b%95-YCLemOaEPT\">1. \u6578\u64da\u5eab\u7121\u6cd5\u555f\u52d5<\/h3>\n<p>\u5982\u679c\u6578\u64da\u5eab\u5728\u91cd\u555f\u5f8c\u7121\u6cd5\u555f\u52d5\uff0c\u60a8\u53ef\u4ee5\u6aa2\u67e5\u932f\u8aa4\u65e5\u8a8c\u4ee5\u7372\u53d6\u66f4\u591a\u4fe1\u606f\u3002\u901a\u5e38\uff0c\u932f\u8aa4\u65e5\u8a8c\u6703\u63d0\u4f9b\u6709\u95dc\u554f\u984c\u7684\u5177\u9ad4\u7d30\u7bc0\uff0c\u5e6b\u52a9\u60a8\u9032\u884c\u6545\u969c\u6392\u9664\u3002<\/p>\n<h3 id=\"2-%e6%95%b8%e6%93%9a%e4%b8%9f%e5%a4%b1-YCLemOaEPT\">2. \u6578\u64da\u4e1f\u5931<\/h3>\n<p>\u5982\u679c\u5728\u91cd\u555f\u5f8c\u767c\u73fe\u6578\u64da\u4e1f\u5931\uff0c\u9996\u5148\u6aa2\u67e5\u662f\u5426\u6709\u53ef\u7528\u7684\u5099\u4efd\u3002\u5982\u679c\u6c92\u6709\uff0c\u60a8\u53ef\u80fd\u9700\u8981\u8003\u616e\u4f7f\u7528\u6578\u64da\u6062\u5fa9\u5de5\u5177\uff0c\u9019\u4e9b\u5de5\u5177\u53ef\u4ee5\u5e6b\u52a9\u60a8\u5f9e\u640d\u58de\u7684\u6578\u64da\u5eab\u4e2d\u63d0\u53d6\u6578\u64da\u3002<\/p>\n<h2 id=\"%e7%b5%90%e8%ab%96-YCLemOaEPT\">\u7d50\u8ad6<\/h2>\n<p>\u6578\u64da\u5eab\u7684\u91cd\u555f\u548c\u505c\u7528\u53ef\u80fd\u6703\u5c0d\u6578\u64da\u7684\u53ef\u7528\u6027\u9020\u6210\u5f71\u97ff\uff0c\u4f46\u901a\u904e\u6b63\u78ba\u7684\u6062\u5fa9\u6b65\u9a5f\u548c\u5de5\u5177\uff0c\u60a8\u53ef\u4ee5\u6709\u6548\u5730\u6062\u5fa9\u4e1f\u5931\u7684\u6578\u64da\u3002\u5b9a\u671f\u5099\u4efd\u548c\u76e3\u63a7\u6578\u64da\u5eab\u72c0\u614b\u662f\u9632\u6b62\u6578\u64da\u4e1f\u5931\u7684\u6700\u4f73\u7b56\u7565\u3002<\/p>\n<p>\u5982\u9700\u4e86\u89e3\u66f4\u591a\u6709\u95dc <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u548c\u6578\u64da\u5eab\u7ba1\u7406\u7684\u8cc7\u8a0a\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e86\u89e3\u5982\u4f55\u5728\u6578\u64da\u5eab\u91cd\u555f\u505c\u7528\u5f8c\u6709\u6548\u6062\u5fa9\u6578\u64da\uff0c\u78ba\u4fdd\u6578\u64da\u5b89\u5168\u8207\u5b8c\u6574\u6027\uff0c\u907f\u514d\u640d\u5931\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-161015","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/161015","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=161015"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/161015\/revisions"}],"predecessor-version":[{"id":161016,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/161015\/revisions\/161016"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=161015"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=161015"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=161015"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}