{"id":195265,"date":"2024-11-13T13:35:21","date_gmt":"2024-11-13T05:35:21","guid":{"rendered":"https:\/\/server.hk\/cnblog\/195265\/"},"modified":"2024-11-13T13:35:22","modified_gmt":"2024-11-13T05:35:22","slug":"%e5%84%aa%e5%8c%96%e6%95%b8%e6%93%9a%e5%ba%ab%e8%a1%a8%e6%80%a7%e8%83%bd%ef%bc%8c%e6%8f%90%e5%8d%87%e6%9f%a5%e8%a9%a2%e9%80%9f%e5%ba%a6-%e6%95%b8%e6%93%9a%e5%ba%ab%e7%b4%a2%e5%bc%95","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/195265\/","title":{"rendered":"\u512a\u5316\u6578\u64da\u5eab\u8868\u6027\u80fd\uff0c\u63d0\u5347\u67e5\u8a62\u901f\u5ea6\u2014\u2014\u6578\u64da\u5eab\u7d22\u5f15\u7684\u76ca\u8655 (\u6578\u64da\u5eab\u5efa\u7d22\u5f15\u7684\u597d\u8655)"},"content":{"rendered":"<h1 id=\"%e5%84%aa%e5%8c%96%e6%95%b8%e6%93%9a%e5%ba%ab%e8%a1%a8%e6%80%a7%e8%83%bd%ef%bc%8c%e6%8f%90%e5%8d%87%e6%9f%a5%e8%a9%a2%e9%80%9f%e5%ba%a6-%e6%95%b8%e6%93%9a%e5%ba%ab%e7%b4%a2%e5%bc%95-FzJdQwocgw\">\u512a\u5316\u6578\u64da\u5eab\u8868\u6027\u80fd\uff0c\u63d0\u5347\u67e5\u8a62\u901f\u5ea6\u2014\u2014\u6578\u64da\u5eab\u7d22\u5f15\u7684\u76ca\u8655<\/h1>\n<p>\u5728\u7576\u4eca\u6578\u64da\u9a45\u52d5\u7684\u4e16\u754c\u4e2d\uff0c\u6578\u64da\u5eab\u7684\u6027\u80fd\u5c0d\u65bc\u61c9\u7528\u7a0b\u5e8f\u7684\u6574\u9ad4\u6548\u7387\u81f3\u95dc\u91cd\u8981\u3002\u96a8\u8457\u6578\u64da\u91cf\u7684\u589e\u9577\uff0c\u67e5\u8a62\u901f\u5ea6\u7684\u512a\u5316\u6210\u70ba\u4e86\u958b\u767c\u8005\u548c\u6578\u64da\u5eab\u7ba1\u7406\u54e1\u9762\u81e8\u7684\u4e00\u5927\u6311\u6230\u3002\u6578\u64da\u5eab\u7d22\u5f15\u4f5c\u70ba\u4e00\u7a2e\u6709\u6548\u7684\u89e3\u6c7a\u65b9\u6848\uff0c\u80fd\u5920\u986f\u8457\u63d0\u5347\u67e5\u8a62\u901f\u5ea6\uff0c\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0e\u6578\u64da\u5eab\u7d22\u5f15\u7684\u76ca\u8655\u53ca\u5176\u5728\u6027\u80fd\u512a\u5316\u4e2d\u7684\u91cd\u8981\u6027\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af%e6%95%b8%e6%93%9a%e5%ba%ab%e7%b4%a2%e5%bc%95%ef%bc%9f-FzJdQwocgw\">\u4ec0\u9ebc\u662f\u6578\u64da\u5eab\u7d22\u5f15\uff1f<\/h2>\n<p>\u6578\u64da\u5eab\u7d22\u5f15\u662f\u4e00\u7a2e\u6578\u64da\u7d50\u69cb\uff0c\u65e8\u5728\u63d0\u9ad8\u67e5\u8a62\u64cd\u4f5c\u7684\u901f\u5ea6\u3002\u5b83\u985e\u4f3c\u65bc\u66f8\u7c4d\u7684\u76ee\u9304\uff0c\u5e6b\u52a9\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\uff08DBMS\uff09\u5feb\u901f\u5b9a\u4f4d\u6240\u9700\u6578\u64da\u3002\u7d22\u5f15\u53ef\u4ee5\u57fa\u65bc\u4e00\u500b\u6216\u591a\u500b\u5217\u5275\u5efa\uff0c\u4e26\u4e14\u53ef\u4ee5\u662f\u552f\u4e00\u7684\u6216\u975e\u552f\u4e00\u7684\u3002\u5e38\u898b\u7684\u7d22\u5f15\u985e\u578b\u5305\u62ecB\u6a39\u7d22\u5f15\u3001\u54c8\u5e0c\u7d22\u5f15\u548c\u5168\u6587\u7d22\u5f15\u7b49\u3002<\/p>\n<h2 id=\"%e6%95%b8%e6%93%9a%e5%ba%ab%e7%b4%a2%e5%bc%95%e7%9a%84%e7%9b%8a%e8%99%95-FzJdQwocgw\">\u6578\u64da\u5eab\u7d22\u5f15\u7684\u76ca\u8655<\/h2>\n<h3 id=\"1-%e6%8f%90%e5%8d%87%e6%9f%a5%e8%a9%a2%e9%80%9f%e5%ba%a6-FzJdQwocgw\">1. \u63d0\u5347\u67e5\u8a62\u901f\u5ea6<\/h3>\n<p>\u7d22\u5f15\u7684\u4e3b\u8981\u512a\u52e2\u5728\u65bc\u80fd\u5920\u986f\u8457\u63d0\u9ad8\u67e5\u8a62\u901f\u5ea6\u3002\u7576\u6578\u64da\u5eab\u57f7\u884c\u67e5\u8a62\u6642\uff0c\u7d22\u5f15\u5141\u8a31\u7cfb\u7d71\u5feb\u901f\u5b9a\u4f4d\u5230\u6240\u9700\u7684\u6578\u64da\uff0c\u800c\u7121\u9700\u6383\u63cf\u6574\u500b\u8868\u3002\u4f8b\u5982\uff0c\u5047\u8a2d\u6709\u4e00\u500b\u5305\u542b\u6578\u767e\u842c\u689d\u8a18\u9304\u7684\u7528\u6236\u8868\uff0c\u82e5\u5c0d\u7528\u6236\u540d\u9032\u884c\u67e5\u8a62\uff0c\u6c92\u6709\u7d22\u5f15\u7684\u60c5\u6cc1\u4e0b\uff0c\u6578\u64da\u5eab\u9700\u8981\u9010\u884c\u6aa2\u67e5\u6bcf\u689d\u8a18\u9304\uff0c\u9019\u5c07\u8017\u8cbb\u5927\u91cf\u6642\u9593\u3002\u800c\u5982\u679c\u5728\u7528\u6236\u540d\u5217\u4e0a\u5275\u5efa\u7d22\u5f15\uff0c\u6578\u64da\u5eab\u53ef\u4ee5\u76f4\u63a5\u8df3\u8f49\u5230\u76f8\u95dc\u7684\u6578\u64da\u4f4d\u7f6e\uff0c\u5f9e\u800c\u5927\u5e45\u7e2e\u77ed\u67e5\u8a62\u6642\u9593\u3002<\/p>\n<h3 id=\"2-%e9%99%8d%e4%bd%8ei-o%e6%93%8d%e4%bd%9c-FzJdQwocgw\">2. \u964d\u4f4eI\/O\u64cd\u4f5c<\/h3>\n<p>\u7d22\u5f15\u4e0d\u50c5\u63d0\u9ad8\u4e86\u67e5\u8a62\u901f\u5ea6\uff0c\u9084\u80fd\u6e1b\u5c11\u78c1\u789fI\/O\u64cd\u4f5c\u3002\u7531\u65bc\u7d22\u5f15\u7d50\u69cb\u901a\u5e38\u6bd4\u539f\u59cb\u6578\u64da\u8868\u5c0f\uff0c\u6578\u64da\u5eab\u5728\u67e5\u8a62\u6642\u53ef\u4ee5\u66f4\u5feb\u5730\u8b80\u53d6\u7d22\u5f15\uff0c\u5f9e\u800c\u6e1b\u5c11\u5c0d\u78c1\u789f\u7684\u8a2a\u554f\u6b21\u6578\u3002\u9019\u5c0d\u65bc\u5927\u578b\u6578\u64da\u5eab\u5c24\u70ba\u91cd\u8981\uff0c\u56e0\u70baI\/O\u64cd\u4f5c\u901a\u5e38\u662f\u6027\u80fd\u74f6\u9838\u7684\u4e3b\u8981\u4f86\u6e90\u3002<\/p>\n<h3 id=\"3-%e6%94%af%e6%8c%81%e6%8e%92%e5%ba%8f%e5%92%8c%e9%81%8e%e6%bf%be-FzJdQwocgw\">3. \u652f\u6301\u6392\u5e8f\u548c\u904e\u6ffe<\/h3>\n<p>\u7d22\u5f15\u9084\u53ef\u4ee5\u52a0\u901f\u6392\u5e8f\u548c\u904e\u6ffe\u64cd\u4f5c\u3002\u7576\u67e5\u8a62\u9700\u8981\u5c0d\u7d50\u679c\u9032\u884c\u6392\u5e8f\u6642\uff0c\u6578\u64da\u5eab\u53ef\u4ee5\u5229\u7528\u7d22\u5f15\u4e2d\u7684\u6392\u5e8f\u4fe1\u606f\uff0c\u800c\u7121\u9700\u984d\u5916\u7684\u6392\u5e8f\u64cd\u4f5c\u3002\u4f8b\u5982\uff0c\u5c0d\u65bc\u4e00\u500b\u6309\u65e5\u671f\u6392\u5e8f\u7684\u67e5\u8a62\uff0c\u5982\u679c\u5728\u65e5\u671f\u5217\u4e0a\u5275\u5efa\u4e86\u7d22\u5f15\uff0c\u6578\u64da\u5eab\u53ef\u4ee5\u76f4\u63a5\u8fd4\u56de\u5df2\u6392\u5e8f\u7684\u7d50\u679c\uff0c\u9032\u4e00\u6b65\u63d0\u9ad8\u67e5\u8a62\u6548\u7387\u3002<\/p>\n<h3 id=\"4-%e6%8f%90%e9%ab%98join%e6%93%8d%e4%bd%9c%e7%9a%84%e6%95%88%e7%8e%87-FzJdQwocgw\">4. \u63d0\u9ad8JOIN\u64cd\u4f5c\u7684\u6548\u7387<\/h3>\n<p>\u5728\u6d89\u53ca\u591a\u500b\u8868\u7684\u67e5\u8a62\u4e2d\uff0cJOIN\u64cd\u4f5c\u7684\u6548\u7387\u5c0d\u6574\u9ad4\u6027\u80fd\u5f71\u97ff\u6df1\u9060\u3002\u901a\u904e\u5728JOIN\u7684\u5217\u4e0a\u5275\u5efa\u7d22\u5f15\uff0c\u6578\u64da\u5eab\u53ef\u4ee5\u66f4\u5feb\u5730\u5339\u914d\u548c\u6aa2\u7d22\u76f8\u95dc\u8a18\u9304\uff0c\u5f9e\u800c\u52a0\u901f\u6574\u9ad4\u67e5\u8a62\u904e\u7a0b\u3002\u4f8b\u5982\uff0c\u5047\u8a2d\u6709\u5169\u500b\u8868\uff1a\u7528\u6236\u8868\u548c\u8a02\u55ae\u8868\uff0c\u82e5\u5728\u7528\u6236ID\u4e0a\u5275\u5efa\u7d22\u5f15\uff0c\u5247\u5728\u67e5\u8a62\u7528\u6236\u53ca\u5176\u8a02\u55ae\u6642\uff0c\u6578\u64da\u5eab\u80fd\u5920\u66f4\u5feb\u5730\u627e\u5230\u5339\u914d\u7684\u8a18\u9304\u3002<\/p>\n<h2 id=\"%e5%a6%82%e4%bd%95%e6%9c%89%e6%95%88%e5%9c%b0%e4%bd%bf%e7%94%a8%e7%b4%a2%e5%bc%95-FzJdQwocgw\">\u5982\u4f55\u6709\u6548\u5730\u4f7f\u7528\u7d22\u5f15<\/h2>\n<p>\u5118\u7ba1\u7d22\u5f15\u6709\u8af8\u591a\u512a\u52e2\uff0c\u4f46\u4e0d\u7576\u4f7f\u7528\u4e5f\u53ef\u80fd\u5c0e\u81f4\u6027\u80fd\u4e0b\u964d\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u6709\u6548\u4f7f\u7528\u7d22\u5f15\u7684\u5efa\u8b70\uff1a<\/p>\n<ul>\n<li><strong>\u9078\u64c7\u5408\u9069\u7684\u5217\uff1a<\/strong>\u50c5\u5c0d\u7d93\u5e38\u7528\u65bc\u67e5\u8a62\u3001\u6392\u5e8f\u6216JOIN\u7684\u5217\u5275\u5efa\u7d22\u5f15\u3002<\/li>\n<li><strong>\u907f\u514d\u904e\u591a\u7d22\u5f15\uff1a<\/strong>\u6bcf\u500b\u7d22\u5f15\u90fd\u6703\u4f54\u7528\u984d\u5916\u7684\u5b58\u5132\u7a7a\u9593\uff0c\u4e26\u5728\u6578\u64da\u63d2\u5165\u3001\u66f4\u65b0\u6216\u522a\u9664\u6642\u589e\u52a0\u958b\u92b7\u3002<\/li>\n<li><strong>\u5b9a\u671f\u7dad\u8b77\u7d22\u5f15\uff1a<\/strong>\u96a8\u8457\u6578\u64da\u7684\u8b8a\u5316\uff0c\u5b9a\u671f\u91cd\u5efa\u6216\u91cd\u7d44\u7d22\u5f15\u4ee5\u4fdd\u6301\u5176\u6027\u80fd\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-FzJdQwocgw\">\u7e3d\u7d50<\/h2>\n<p>\u6578\u64da\u5eab\u7d22\u5f15\u662f\u63d0\u5347\u67e5\u8a62\u901f\u5ea6\u548c\u512a\u5316\u6578\u64da\u5eab\u6027\u80fd\u7684\u91cd\u8981\u5de5\u5177\u3002\u901a\u904e\u5408\u7406\u5730\u4f7f\u7528\u7d22\u5f15\uff0c\u958b\u767c\u8005\u548c\u6578\u64da\u5eab\u7ba1\u7406\u54e1\u53ef\u4ee5\u986f\u8457\u63d0\u9ad8\u61c9\u7528\u7a0b\u5e8f\u7684\u6548\u7387\uff0c\u6e1b\u5c11I\/O\u64cd\u4f5c\uff0c\u4e26\u52a0\u901f\u6392\u5e8f\u548cJOIN\u64cd\u4f5c\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u6548\u6578\u64da\u8655\u7406\u7684\u61c9\u7528\uff0c\u9078\u64c7\u5408\u9069\u7684\u6578\u64da\u5eab\u89e3\u6c7a\u65b9\u6848\u81f3\u95dc\u91cd\u8981\u3002\u82e5\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u670d\u52d9\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u52a9\u60a8\u512a\u5316\u6578\u64da\u5eab\u6027\u80fd\uff0c\u63d0\u5347\u67e5\u8a62\u901f\u5ea6\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63d0\u5347\u6578\u64da\u5eab\u8868\u6027\u80fd\u8207\u67e5\u8a62\u901f\u5ea6\uff0c\u4e86\u89e3\u6578\u64da\u5eab\u7d22\u5f15\u7684\u76ca\u8655\uff0c\u52a9\u60a8\u512a\u5316\u6578\u64da\u7ba1\u7406\u8207\u64cd\u4f5c\u6548\u7387\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-195265","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/195265","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=195265"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/195265\/revisions"}],"predecessor-version":[{"id":195266,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/195265\/revisions\/195266"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=195265"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=195265"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=195265"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}