{"id":190448,"date":"2024-11-12T12:40:24","date_gmt":"2024-11-12T04:40:24","guid":{"rendered":"https:\/\/server.hk\/cnblog\/190448\/"},"modified":"2024-11-12T12:40:25","modified_gmt":"2024-11-12T04:40:25","slug":"%e7%82%ba%e4%bb%80%e9%ba%bc%e6%9c%ac%e7%a7%91%e7%94%9f%e6%87%89%e8%a9%b2%e5%ad%b8%e7%bf%92%e6%95%b8%e6%93%9a%e5%ba%ab%ef%bc%9a%e6%8e%8c%e6%8f%a1%e6%95%b8%e6%93%9a%e7%ae%a1%e7%90%86%e6%8a%80%e8%83%bd","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/190448\/","title":{"rendered":"\u70ba\u4ec0\u9ebc\u672c\u79d1\u751f\u61c9\u8a72\u5b78\u7fd2\u6578\u64da\u5eab\uff1a\u638c\u63e1\u6578\u64da\u7ba1\u7406\u6280\u80fd\uff0c\u63d0\u9ad8\u6c42\u8077\u7af6\u722d\u529b\u3002 (\u672c\u5b78\u6578\u64da\u5eab\u5b78\u4ec0\u9ebc\u7528)"},"content":{"rendered":"<h1 id=\"%e7%82%ba%e4%bb%80%e9%ba%bc%e6%9c%ac%e7%a7%91%e7%94%9f%e6%87%89%e8%a9%b2%e5%ad%b8%e7%bf%92%e6%95%b8%e6%93%9a%e5%ba%ab%ef%bc%9a%e6%8e%8c%e6%8f%a1%e6%95%b8%e6%93%9a%e7%ae%a1%e7%90%86%e6%8a%80%e8%83%bd-WNWhOqWRoY\">\u70ba\u4ec0\u9ebc\u672c\u79d1\u751f\u61c9\u8a72\u5b78\u7fd2\u6578\u64da\u5eab\uff1a\u638c\u63e1\u6578\u64da\u7ba1\u7406\u6280\u80fd\uff0c\u63d0\u9ad8\u6c42\u8077\u7af6\u722d\u529b<\/h1>\n<p>\u5728\u7576\u4eca\u6578\u5b57\u5316\u7684\u6642\u4ee3\uff0c\u6578\u64da\u5df2\u6210\u70ba\u4f01\u696d\u904b\u71df\u548c\u6c7a\u7b56\u7684\u91cd\u8981\u8cc7\u6e90\u3002\u96a8\u8457\u6578\u64da\u91cf\u7684\u6fc0\u589e\uff0c\u5c0d\u65bc\u80fd\u5920\u6709\u6548\u7ba1\u7406\u548c\u5206\u6790\u6578\u64da\u7684\u4eba\u624d\u9700\u6c42\u4e5f\u5728\u4e0d\u65b7\u4e0a\u5347\u3002\u56e0\u6b64\uff0c\u672c\u79d1\u751f\u5b78\u7fd2\u6578\u64da\u5eab\u6280\u8853\uff0c\u4e0d\u50c5\u80fd\u5920\u63d0\u5347\u81ea\u8eab\u7684\u5c08\u696d\u6280\u80fd\uff0c\u9084\u80fd\u986f\u8457\u63d0\u9ad8\u5176\u5728\u6c42\u8077\u5e02\u5834\u4e0a\u7684\u7af6\u722d\u529b\u3002<\/p>\n<h2 id=\"%e6%95%b8%e6%93%9a%e5%ba%ab%e7%9a%84%e5%9f%ba%e6%9c%ac%e6%a6%82%e5%bf%b5-WNWhOqWRoY\">\u6578\u64da\u5eab\u7684\u57fa\u672c\u6982\u5ff5<\/h2>\n<p>\u6578\u64da\u5eab\u662f\u4e00\u7a2e\u6709\u7d44\u7e54\u7684\u6578\u64da\u96c6\u5408\uff0c\u901a\u5e38\u4ee5\u96fb\u5b50\u65b9\u5f0f\u5b58\u5132\u5728\u8a08\u7b97\u6a5f\u7cfb\u7d71\u4e2d\u3002\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\uff08DBMS\uff09\u662f\u7528\u4f86\u5275\u5efa\u3001\u7ba1\u7406\u548c\u64cd\u4f5c\u6578\u64da\u5eab\u7684\u8edf\u4ef6\u3002\u5e38\u898b\u7684\u6578\u64da\u5eab\u985e\u578b\u5305\u62ec\u95dc\u4fc2\u578b\u6578\u64da\u5eab\uff08\u5982MySQL\u3001PostgreSQL\uff09\u548c\u975e\u95dc\u4fc2\u578b\u6578\u64da\u5eab\uff08\u5982MongoDB\u3001Cassandra\uff09\u3002<\/p>\n<h2 id=\"%e5%ad%b8%e7%bf%92%e6%95%b8%e6%93%9a%e5%ba%ab%e7%9a%84%e5%a5%bd%e8%99%95-WNWhOqWRoY\">\u5b78\u7fd2\u6578\u64da\u5eab\u7684\u597d\u8655<\/h2>\n<ul>\n<li><strong>\u63d0\u5347\u6280\u8853\u80fd\u529b\uff1a<\/strong>\u5b78\u7fd2\u6578\u64da\u5eab\u6280\u8853\u53ef\u4ee5\u5e6b\u52a9\u5b78\u751f\u638c\u63e1\u6578\u64da\u5efa\u6a21\u3001\u67e5\u8a62\u8a9e\u8a00\uff08\u5982SQL\uff09\u548c\u6578\u64da\u5eab\u8a2d\u8a08\u7b49\u6280\u80fd\uff0c\u9019\u4e9b\u90fd\u662f\u73fe\u4ee3\u4f01\u696d\u4e2d\u4e0d\u53ef\u6216\u7f3a\u7684\u6280\u8853\u3002<\/li>\n<li><strong>\u589e\u5f37\u5206\u6790\u80fd\u529b\uff1a<\/strong>\u6578\u64da\u5eab\u4e0d\u50c5\u50c5\u662f\u5b58\u5132\u6578\u64da\u7684\u5730\u65b9\uff0c\u9084\u662f\u9032\u884c\u6578\u64da\u5206\u6790\u7684\u57fa\u790e\u3002\u638c\u63e1\u6578\u64da\u5eab\u6280\u8853\u5f8c\uff0c\u5b78\u751f\u80fd\u5920\u66f4\u597d\u5730\u7406\u89e3\u6578\u64da\u80cc\u5f8c\u7684\u610f\u7fa9\uff0c\u4e26\u80fd\u5920\u9032\u884c\u6709\u6548\u7684\u6578\u64da\u5206\u6790\u3002<\/li>\n<li><strong>\u63d0\u9ad8\u5c31\u696d\u7af6\u722d\u529b\uff1a<\/strong>\u8a31\u591a\u884c\u696d\u5c0d\u6578\u64da\u7ba1\u7406\u548c\u5206\u6790\u7684\u9700\u6c42\u65e5\u76ca\u589e\u52a0\uff0c\u638c\u63e1\u6578\u64da\u5eab\u6280\u80fd\u7684\u7562\u696d\u751f\u5728\u6c42\u8077\u6642\u5c07\u66f4\u5177\u512a\u52e2\u3002<\/li>\n<\/ul>\n<h2 id=\"%e6%95%b8%e6%93%9a%e5%ba%ab%e5%ad%b8%e7%bf%92%e7%9a%84%e6%a0%b8%e5%bf%83%e5%85%a7%e5%ae%b9-WNWhOqWRoY\">\u6578\u64da\u5eab\u5b78\u7fd2\u7684\u6838\u5fc3\u5167\u5bb9<\/h2>\n<p>\u672c\u79d1\u751f\u5728\u5b78\u7fd2\u6578\u64da\u5eab\u6642\uff0c\u901a\u5e38\u6703\u63a5\u89f8\u5230\u4ee5\u4e0b\u5e7e\u500b\u6838\u5fc3\u5167\u5bb9\uff1a<\/p>\n<h3 id=\"1-%e6%95%b8%e6%93%9a%e5%ba%ab%e8%a8%ad%e8%a8%88-WNWhOqWRoY\">1. \u6578\u64da\u5eab\u8a2d\u8a08<\/h3>\n<p>\u5b78\u751f\u9700\u8981\u5b78\u7fd2\u5982\u4f55\u8a2d\u8a08\u4e00\u500b\u6709\u6548\u7684\u6578\u64da\u5eab\uff0c\u5305\u62ec\u78ba\u5b9a\u6578\u64da\u7d50\u69cb\u3001\u8a2d\u8a08\u8868\u683c\u548c\u95dc\u4fc2\u7b49\u3002\u9019\u4e00\u904e\u7a0b\u901a\u5e38\u6d89\u53ca\u5230ER\u5716\uff08\u5be6\u9ad4-\u95dc\u4fc2\u5716\uff09\u7684\u7e6a\u88fd\u3002<\/p>\n<h3 id=\"2-sql%e8%aa%9e%e8%a8%80-WNWhOqWRoY\">2. SQL\u8a9e\u8a00<\/h3>\n<p>SQL\uff08\u7d50\u69cb\u5316\u67e5\u8a62\u8a9e\u8a00\uff09\u662f\u8207\u95dc\u4fc2\u578b\u6578\u64da\u5eab\u4ea4\u4e92\u7684\u4e3b\u8981\u8a9e\u8a00\u3002\u5b78\u751f\u9700\u8981\u5b78\u6703\u5982\u4f55\u4f7f\u7528SQL\u9032\u884c\u6578\u64da\u67e5\u8a62\u3001\u63d2\u5165\u3001\u66f4\u65b0\u548c\u522a\u9664\u7b49\u64cd\u4f5c\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684SQL\u67e5\u8a62\u793a\u4f8b\uff1a<\/p>\n<pre><code>SELECT * FROM users WHERE age &gt; 18;<\/code><\/pre>\n<h3 id=\"3-%e6%95%b8%e6%93%9a%e5%ba%ab%e7%ae%a1%e7%90%86-WNWhOqWRoY\">3. \u6578\u64da\u5eab\u7ba1\u7406<\/h3>\n<p>\u5b78\u751f\u9084\u9700\u8981\u4e86\u89e3\u5982\u4f55\u7ba1\u7406\u6578\u64da\u5eab\uff0c\u5305\u62ec\u5099\u4efd\u3001\u6062\u5fa9\u3001\u6027\u80fd\u512a\u5316\u548c\u5b89\u5168\u6027\u7b49\u65b9\u9762\u7684\u77e5\u8b58\u3002<\/p>\n<h3 id=\"4-%e6%95%b8%e6%93%9a%e5%88%86%e6%9e%90-WNWhOqWRoY\">4. \u6578\u64da\u5206\u6790<\/h3>\n<p>\u96a8\u8457\u5927\u6578\u64da\u6280\u8853\u7684\u767c\u5c55\uff0c\u6578\u64da\u5206\u6790\u6210\u70ba\u4e00\u9805\u91cd\u8981\u6280\u80fd\u3002\u5b78\u751f\u53ef\u4ee5\u5b78\u7fd2\u5982\u4f55\u4f7f\u7528\u6578\u64da\u5eab\u9032\u884c\u6578\u64da\u6316\u6398\u548c\u5206\u6790\uff0c\u4ee5\u652f\u6301\u696d\u52d9\u6c7a\u7b56\u3002<\/p>\n<h2 id=\"%e7%b5%90%e8%ab%96-WNWhOqWRoY\">\u7d50\u8ad6<\/h2>\n<p>\u7e3d\u7684\u4f86\u8aaa\uff0c\u5b78\u7fd2\u6578\u64da\u5eab\u6280\u8853\u5c0d\u65bc\u672c\u79d1\u751f\u4f86\u8aaa\u662f\u975e\u5e38\u91cd\u8981\u7684\u3002\u5b83\u4e0d\u50c5\u80fd\u5920\u63d0\u5347\u5b78\u751f\u7684\u6280\u8853\u80fd\u529b\uff0c\u9084\u80fd\u589e\u5f37\u5176\u5728\u6c42\u8077\u5e02\u5834\u4e0a\u7684\u7af6\u722d\u529b\u3002\u96a8\u8457\u6578\u64da\u9a45\u52d5\u6c7a\u7b56\u7684\u8da8\u52e2\u65e5\u76ca\u660e\u986f\uff0c\u638c\u63e1\u6578\u64da\u7ba1\u7406\u6280\u80fd\u5c07\u6210\u70ba\u672a\u4f86\u8077\u5834\u6210\u529f\u7684\u95dc\u9375\u3002<\/p>\n<p>\u5982\u679c\u60a8\u5c0d\u65bc\u5982\u4f55\u5728\u9999\u6e2f\u7684\u6578\u64da\u7ba1\u7406\u9818\u57df\u4e2d\u812b\u7a4e\u800c\u51fa\u6709\u8208\u8da3\uff0c\u4e86\u89e3\u66f4\u591a\u95dc\u65bc<a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a>\u548c\u6578\u64da\u5eab\u7684\u61c9\u7528\uff0c\u8acb\u96a8\u6642\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u672c\u79d1\u751f\u5b78\u7fd2\u6578\u64da\u5eab\u80fd\u638c\u63e1\u6578\u64da\u7ba1\u7406\u6280\u80fd\uff0c\u63d0\u5347\u6c42\u8077\u7af6\u722d\u529b\uff0c\u70ba\u672a\u4f86\u8077\u696d\u767c\u5c55\u6253\u4e0b\u5805\u5be6\u57fa\u790e\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-190448","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/190448","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=190448"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/190448\/revisions"}],"predecessor-version":[{"id":190449,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/190448\/revisions\/190449"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=190448"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=190448"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=190448"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}