{"id":153635,"date":"2024-11-02T09:05:17","date_gmt":"2024-11-02T01:05:17","guid":{"rendered":"https:\/\/server.hk\/cnblog\/153635\/"},"modified":"2024-11-02T09:05:18","modified_gmt":"2024-11-02T01:05:18","slug":"%e5%a4%a7%e6%95%b8%e6%93%9a%e6%99%82%e4%bb%a3%ef%bc%8c%e6%95%b8%e6%93%9a%e5%ba%ab%e8%a1%a8%e8%b6%8a%e5%a4%9a%e8%b6%8a%e5%a5%bd%e5%97%8e%ef%bc%9f-%e6%95%b8%e6%93%9a%e5%ba%ab%e8%a1%a8%e8%b6%8a%e5%a4%9a","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/153635\/","title":{"rendered":"\u5927\u6578\u64da\u6642\u4ee3\uff0c\u6578\u64da\u5eab\u8868\u8d8a\u591a\u8d8a\u597d\u55ce\uff1f (\u6578\u64da\u5eab\u8868\u8d8a\u591a\u8d8a\u597d)"},"content":{"rendered":"<h1 id=\"%e5%a4%a7%e6%95%b8%e6%93%9a%e6%99%82%e4%bb%a3%ef%bc%8c%e6%95%b8%e6%93%9a%e5%ba%ab%e8%a1%a8%e8%b6%8a%e5%a4%9a%e8%b6%8a%e5%a5%bd%e5%97%8e%ef%bc%9f-KxnEqBvEWH\">\u5927\u6578\u64da\u6642\u4ee3\uff0c\u6578\u64da\u5eab\u8868\u8d8a\u591a\u8d8a\u597d\u55ce\uff1f<\/h1>\n<p>\u5728\u7576\u4eca\u5927\u6578\u64da\u6642\u4ee3\uff0c\u6578\u64da\u7684\u7ba1\u7406\u548c\u5b58\u5132\u6210\u70ba\u4f01\u696d\u6210\u529f\u7684\u95dc\u9375\u56e0\u7d20\u4e4b\u4e00\u3002\u96a8\u8457\u6578\u64da\u91cf\u7684\u6fc0\u589e\uff0c\u8a31\u591a\u4f01\u696d\u5728\u8a2d\u8a08\u6578\u64da\u5eab\u6642\u9762\u81e8\u4e00\u500b\u91cd\u8981\u7684\u554f\u984c\uff1a\u6578\u64da\u5eab\u8868\u7684\u6578\u91cf\u61c9\u8a72\u8d8a\u591a\u8d8a\u597d\u55ce\uff1f\u9019\u500b\u554f\u984c\u7684\u7b54\u6848\u4e26\u4e0d\u7c21\u55ae\uff0c\u56e0\u70ba\u5b83\u6d89\u53ca\u5230\u6578\u64da\u5eab\u7684\u8a2d\u8a08\u539f\u5247\u3001\u6027\u80fd\u8003\u91cf\u4ee5\u53ca\u7dad\u8b77\u7684\u4fbf\u5229\u6027\u7b49\u591a\u65b9\u9762\u7684\u56e0\u7d20\u3002<\/p>\n<h2 id=\"%e6%95%b8%e6%93%9a%e5%ba%ab%e8%a1%a8%e7%9a%84%e8%a8%ad%e8%a8%88%e5%8e%9f%e5%89%87-KxnEqBvEWH\">\u6578\u64da\u5eab\u8868\u7684\u8a2d\u8a08\u539f\u5247<\/h2>\n<p>\u5728\u8a2d\u8a08\u6578\u64da\u5eab\u6642\uff0c\u9075\u5faa\u6b63\u898f\u5316\u539f\u5247\u662f\u975e\u5e38\u91cd\u8981\u7684\u3002\u6b63\u898f\u5316\u7684\u76ee\u7684\u662f\u6d88\u9664\u6578\u64da\u5197\u9918\uff0c\u78ba\u4fdd\u6578\u64da\u7684\u4e00\u81f4\u6027\u548c\u5b8c\u6574\u6027\u3002\u6839\u64da\u6b63\u898f\u5316\u7684\u4e0d\u540c\u968e\u6bb5\uff0c\u6578\u64da\u5eab\u8868\u7684\u6578\u91cf\u53ef\u80fd\u6703\u589e\u52a0\u3002\u4f8b\u5982\uff0c\u5c07\u4e00\u500b\u5305\u542b\u591a\u500b\u5be6\u9ad4\u7684\u8868\u62c6\u5206\u6210\u591a\u500b\u8868\uff0c\u53ef\u4ee5\u6e1b\u5c11\u6578\u64da\u91cd\u8907\uff0c\u4e26\u63d0\u9ad8\u67e5\u8a62\u6548\u7387\u3002<\/p>\n<ul>\n<li><strong>\u7b2c\u4e00\u6b63\u898f\u5f62\uff081NF\uff09<\/strong>\uff1a\u78ba\u4fdd\u6bcf\u500b\u8868\u7684\u6bcf\u4e00\u5217\u90fd\u662f\u539f\u5b50\u6027\u7684\uff0c\u907f\u514d\u91cd\u8907\u7684\u6578\u64da\u3002<\/li>\n<li><strong>\u7b2c\u4e8c\u6b63\u898f\u5f62\uff082NF\uff09<\/strong>\uff1a\u5728\u6eff\u8db31NF\u7684\u57fa\u790e\u4e0a\uff0c\u6d88\u9664\u90e8\u5206\u4f9d\u8cf4\u3002<\/li>\n<li><strong>\u7b2c\u4e09\u6b63\u898f\u5f62\uff083NF\uff09<\/strong>\uff1a\u5728\u6eff\u8db32NF\u7684\u57fa\u790e\u4e0a\uff0c\u6d88\u9664\u50b3\u905e\u4f9d\u8cf4\u3002<\/li>\n<\/ul>\n<p>\u9019\u4e9b\u6b63\u898f\u5316\u7684\u904e\u7a0b\u53ef\u80fd\u6703\u5c0e\u81f4\u6578\u64da\u5eab\u8868\u7684\u6578\u91cf\u589e\u52a0\uff0c\u4f46\u9019\u4e26\u4e0d\u610f\u5473\u8457\u8868\u8d8a\u591a\u8d8a\u597d\u3002\u904e\u591a\u7684\u8868\u53ef\u80fd\u6703\u5c0e\u81f4\u67e5\u8a62\u7684\u8907\u96dc\u6027\u589e\u52a0\uff0c\u5f71\u97ff\u6027\u80fd\u3002<\/p>\n<h2 id=\"%e6%80%a7%e8%83%bd%e8%80%83%e9%87%8f-KxnEqBvEWH\">\u6027\u80fd\u8003\u91cf<\/h2>\n<p>\u6578\u64da\u5eab\u7684\u6027\u80fd\u662f\u8a2d\u8a08\u6642\u5fc5\u9808\u8003\u616e\u7684\u91cd\u8981\u56e0\u7d20\u3002\u7576\u6578\u64da\u5eab\u8868\u7684\u6578\u91cf\u904e\u591a\u6642\uff0c\u67e5\u8a62\u7684\u6548\u7387\u53ef\u80fd\u6703\u53d7\u5230\u5f71\u97ff\u3002\u6bcf\u6b21\u67e5\u8a62\u90fd\u9700\u8981\u9032\u884c\u591a\u500b\u8868\u7684\u806f\u63a5\uff0c\u9019\u6703\u589e\u52a0\u67e5\u8a62\u7684\u6642\u9593\u548c\u8cc7\u6e90\u6d88\u8017\u3002\u4f8b\u5982\uff0c\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684SQL\u67e5\u8a62\uff0c\u6d89\u53ca\u591a\u500b\u8868\u7684\u806f\u63a5\uff1a<\/p>\n<pre><code>SELECT a.name, b.order_date \nFROM customers a \nJOIN orders b ON a.id = b.customer_id \nWHERE b.order_date &gt; '2023-01-01';<\/code><\/pre>\n<p>\u5728\u9019\u500b\u4f8b\u5b50\u4e2d\uff0c\u5982\u679c\u8868\u7684\u6578\u91cf\u904e\u591a\uff0c\u67e5\u8a62\u7684\u8907\u96dc\u6027\u548c\u57f7\u884c\u6642\u9593\u90fd\u6703\u589e\u52a0\u3002\u56e0\u6b64\uff0c\u5728\u8a2d\u8a08\u6578\u64da\u5eab\u6642\uff0c\u9700\u8981\u5728\u6b63\u898f\u5316\u548c\u6027\u80fd\u4e4b\u9593\u627e\u5230\u4e00\u500b\u5e73\u8861\u9ede\u3002<\/p>\n<h2 id=\"%e7%b6%ad%e8%ad%b7%e7%9a%84%e4%be%bf%e5%88%a9%e6%80%a7-KxnEqBvEWH\">\u7dad\u8b77\u7684\u4fbf\u5229\u6027<\/h2>\n<p>\u9664\u4e86\u6027\u80fd\u8003\u91cf\uff0c\u6578\u64da\u5eab\u7684\u7dad\u8b77\u4e5f\u662f\u4e00\u500b\u91cd\u8981\u7684\u56e0\u7d20\u3002\u904e\u591a\u7684\u8868\u6703\u4f7f\u5f97\u6578\u64da\u5eab\u7684\u7ba1\u7406\u8b8a\u5f97\u66f4\u52a0\u8907\u96dc\u3002\u6578\u64da\u5eab\u7ba1\u7406\u54e1\u9700\u8981\u82b1\u8cbb\u66f4\u591a\u7684\u6642\u9593\u4f86\u7dad\u8b77\u548c\u5099\u4efd\u9019\u4e9b\u8868\uff0c\u9019\u53ef\u80fd\u6703\u5c0e\u81f4\u4eba\u529b\u8cc7\u6e90\u7684\u6d6a\u8cbb\u3002\u6b64\u5916\uff0c\u7576\u9700\u8981\u9032\u884c\u6578\u64da\u9077\u79fb\u6216\u5347\u7d1a\u6642\uff0c\u904e\u591a\u7684\u8868\u4e5f\u6703\u589e\u52a0\u5de5\u4f5c\u91cf\u3002<\/p>\n<h2 id=\"%e7%b5%90%e8%ab%96-KxnEqBvEWH\">\u7d50\u8ad6<\/h2>\n<p>\u7e3d\u7d50\u4f86\u8aaa\uff0c\u5728\u5927\u6578\u64da\u6642\u4ee3\uff0c\u6578\u64da\u5eab\u8868\u7684\u6578\u91cf\u4e26\u4e0d\u662f\u8d8a\u591a\u8d8a\u597d\u3002\u96d6\u7136\u589e\u52a0\u8868\u7684\u6578\u91cf\u53ef\u4ee5\u5e6b\u52a9\u6d88\u9664\u6578\u64da\u5197\u9918\uff0c\u63d0\u9ad8\u6578\u64da\u7684\u4e00\u81f4\u6027\uff0c\u4f46\u904e\u591a\u7684\u8868\u4e5f\u6703\u5e36\u4f86\u6027\u80fd\u4e0b\u964d\u548c\u7dad\u8b77\u56f0\u96e3\u7684\u554f\u984c\u3002\u56e0\u6b64\uff0c\u5728\u8a2d\u8a08\u6578\u64da\u5eab\u6642\uff0c\u61c9\u8a72\u6839\u64da\u5177\u9ad4\u7684\u696d\u52d9\u9700\u6c42\u548c\u6578\u64da\u7279\u6027\uff0c\u5408\u7406\u898f\u5283\u6578\u64da\u5eab\u8868\u7684\u6578\u91cf\uff0c\u4ee5\u9054\u5230\u6700\u4f73\u7684\u6027\u80fd\u548c\u7dad\u8b77\u6548\u7387\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684\u6578\u64da\u5eab\u89e3\u6c7a\u65b9\u6848\uff0c\u8003\u616e\u4f7f\u7528<a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a>\u4f86\u652f\u6301\u60a8\u7684\u696d\u52d9\u9700\u6c42\u3002\u7121\u8ad6\u662f\u6578\u64da\u5b58\u5132\u9084\u662f\u6578\u64da\u8655\u7406\uff0c\u6211\u5011\u7684\u670d\u52d9\u90fd\u80fd\u70ba\u60a8\u63d0\u4f9b\u7a69\u5b9a\u7684\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5728\u5927\u6578\u64da\u6642\u4ee3\uff0c\u6578\u64da\u5eab\u8868\u7684\u6578\u91cf\u662f\u5426\u8d8a\u591a\u8d8a\u597d\uff1f\u63a2\u8a0e\u6578\u64da\u7ba1\u7406\u7684\u6548\u7387\u8207\u8907\u96dc\u6027\u4e4b\u9593\u7684\u5e73\u8861\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-153635","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/153635","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=153635"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/153635\/revisions"}],"predecessor-version":[{"id":153636,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/153635\/revisions\/153636"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=153635"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=153635"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=153635"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}