{"id":187066,"date":"2024-11-11T11:10:19","date_gmt":"2024-11-11T03:10:19","guid":{"rendered":"https:\/\/server.hk\/cnblog\/187066\/"},"modified":"2024-11-11T11:10:21","modified_gmt":"2024-11-11T03:10:21","slug":"%e6%95%b8%e6%93%9a%e5%ba%ab%e5%88%aa%e9%99%a4%e6%a2%9d%e4%bb%b6%e8%aa%9e%e5%8f%a5%ef%bc%8c%e5%af%a6%e7%8f%be%e7%b2%be%e6%ba%96%e6%95%b8%e6%93%9a%e6%b8%85%e7%90%86-%e6%95%b8%e6%93%9a%e5%ba%ab%e5%88%aa","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/187066\/","title":{"rendered":"\u6578\u64da\u5eab\u522a\u9664\u689d\u4ef6\u8a9e\u53e5\uff0c\u5be6\u73fe\u7cbe\u6e96\u6578\u64da\u6e05\u7406 (\u6578\u64da\u5eab\u522a\u9664\u689d\u4ef6\u8a9e\u53e5)"},"content":{"rendered":"<h1 id=\"%e6%95%b8%e6%93%9a%e5%ba%ab%e5%88%aa%e9%99%a4%e6%a2%9d%e4%bb%b6%e8%aa%9e%e5%8f%a5%ef%bc%8c%e5%af%a6%e7%8f%be%e7%b2%be%e6%ba%96%e6%95%b8%e6%93%9a%e6%b8%85%e7%90%86-PzCmFOORZT\">\u6578\u64da\u5eab\u522a\u9664\u689d\u4ef6\u8a9e\u53e5\uff0c\u5be6\u73fe\u7cbe\u6e96\u6578\u64da\u6e05\u7406<\/h1>\n<p>\u5728\u6578\u64da\u5eab\u7ba1\u7406\u4e2d\uff0c\u6578\u64da\u7684\u6e05\u7406\u662f\u4e00\u500b\u81f3\u95dc\u91cd\u8981\u7684\u904e\u7a0b\u3002\u96a8\u8457\u6642\u9593\u7684\u63a8\u79fb\uff0c\u6578\u64da\u5eab\u4e2d\u53ef\u80fd\u6703\u7a4d\u7d2f\u5927\u91cf\u4e0d\u5fc5\u8981\u6216\u904e\u6642\u7684\u6578\u64da\uff0c\u9019\u4e0d\u50c5\u6703\u5f71\u97ff\u6578\u64da\u5eab\u7684\u6027\u80fd\uff0c\u9084\u53ef\u80fd\u5c0e\u81f4\u6578\u64da\u7684\u5197\u9918\u548c\u4e0d\u4e00\u81f4\u6027\u3002\u70ba\u4e86\u6709\u6548\u5730\u7ba1\u7406\u9019\u4e9b\u6578\u64da\uff0c\u4f7f\u7528\u6578\u64da\u5eab\u522a\u9664\u689d\u4ef6\u8a9e\u53e5\u662f\u4e00\u500b\u975e\u5e38\u6709\u6548\u7684\u89e3\u6c7a\u65b9\u6848\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af%e6%95%b8%e6%93%9a%e5%ba%ab%e5%88%aa%e9%99%a4%e6%a2%9d%e4%bb%b6%e8%aa%9e%e5%8f%a5%ef%bc%9f-PzCmFOORZT\">\u4ec0\u9ebc\u662f\u6578\u64da\u5eab\u522a\u9664\u689d\u4ef6\u8a9e\u53e5\uff1f<\/h2>\n<p>\u6578\u64da\u5eab\u522a\u9664\u689d\u4ef6\u8a9e\u53e5\uff08DELETE statement\uff09\u662f\u4e00\u7a2e\u7528\u65bc\u5f9e\u6578\u64da\u5eab\u4e2d\u522a\u9664\u7279\u5b9a\u8a18\u9304\u7684SQL\u8a9e\u53e5\u3002\u901a\u904e\u4f7f\u7528\u689d\u4ef6\u8a9e\u53e5\uff0c\u7ba1\u7406\u54e1\u53ef\u4ee5\u7cbe\u78ba\u5730\u6307\u5b9a\u8981\u522a\u9664\u7684\u6578\u64da\uff0c\u5f9e\u800c\u907f\u514d\u4e0d\u5fc5\u8981\u7684\u6578\u64da\u4e1f\u5931\u3002<\/p>\n<h2 id=\"%e5%9f%ba%e6%9c%ac%e8%aa%9e%e6%b3%95-PzCmFOORZT\">\u57fa\u672c\u8a9e\u6cd5<\/h2>\n<p>\u6578\u64da\u5eab\u522a\u9664\u689d\u4ef6\u8a9e\u53e5\u7684\u57fa\u672c\u8a9e\u6cd5\u5982\u4e0b\uff1a<\/p>\n<pre><code>DELETE FROM \u8868\u540d WHERE \u689d\u4ef6;<\/code><\/pre>\n<p>\u5728\u9019\u88e1\uff0c<strong>\u8868\u540d<\/strong>\u662f\u8981\u522a\u9664\u6578\u64da\u7684\u8868\u7684\u540d\u7a31\uff0c\u800c<strong>\u689d\u4ef6<\/strong>\u5247\u662f\u7528\u65bc\u7be9\u9078\u8981\u522a\u9664\u7684\u8a18\u9304\u7684\u689d\u4ef6\u3002\u53ea\u6709\u7b26\u5408\u689d\u4ef6\u7684\u8a18\u9304\u624d\u6703\u88ab\u522a\u9664\u3002<\/p>\n<h2 id=\"%e4%bd%bf%e7%94%a8%e7%a4%ba%e4%be%8b-PzCmFOORZT\">\u4f7f\u7528\u793a\u4f8b<\/h2>\n<p>\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684\u793a\u4f8b\uff0c\u5c55\u793a\u5982\u4f55\u4f7f\u7528\u522a\u9664\u689d\u4ef6\u8a9e\u53e5\u4f86\u522a\u9664\u7279\u5b9a\u7684\u6578\u64da\uff1a<\/p>\n<pre><code>DELETE FROM customers WHERE customer_id = 10;<\/code><\/pre>\n<p>\u5728\u9019\u500b\u4f8b\u5b50\u4e2d\uff0c\u53ea\u6709\u7576<strong>customer_id<\/strong>\u7b49\u65bc10\u7684\u8a18\u9304\u6703\u88ab\u522a\u9664\u3002\u5982\u679c\u6c92\u6709WHERE\u689d\u4ef6\uff0c\u5247\u6574\u500b\u8868\u4e2d\u7684\u6240\u6709\u8a18\u9304\u90fd\u6703\u88ab\u522a\u9664\uff0c\u9019\u901a\u5e38\u662f\u975e\u5e38\u5371\u96aa\u7684\u64cd\u4f5c\u3002<\/p>\n<h2 id=\"%e5%a4%9a%e6%a2%9d%e4%bb%b6%e5%88%aa%e9%99%a4-PzCmFOORZT\">\u591a\u689d\u4ef6\u522a\u9664<\/h2>\n<p>\u5728\u67d0\u4e9b\u60c5\u6cc1\u4e0b\uff0c\u60a8\u53ef\u80fd\u9700\u8981\u6839\u64da\u591a\u500b\u689d\u4ef6\u4f86\u522a\u9664\u6578\u64da\u3002\u9019\u53ef\u4ee5\u901a\u904e\u4f7f\u7528AND\u6216OR\u904b\u7b97\u7b26\u4f86\u5be6\u73fe\u3002\u4f8b\u5982\uff1a<\/p>\n<pre><code>DELETE FROM orders WHERE order_date &lt; '2022-01-01' AND status = 'canceled';<\/code><\/pre>\n<p>\u9019\u689d\u8a9e\u53e5\u5c07\u522a\u9664\u6240\u6709\u57282022\u5e741\u67081\u65e5\u4e4b\u524d\u4e14\u72c0\u614b\u70ba\u201c\u5df2\u53d6\u6d88\u201d\u7684\u8a02\u55ae\u3002<\/p>\n<h2 id=\"%e6%b3%a8%e6%84%8f%e4%ba%8b%e9%a0%85-PzCmFOORZT\">\u6ce8\u610f\u4e8b\u9805<\/h2>\n<ul>\n<li><strong>\u5099\u4efd\u6578\u64da\uff1a<\/strong>\u5728\u57f7\u884c\u522a\u9664\u64cd\u4f5c\u4e4b\u524d\uff0c\u5efa\u8b70\u5148\u5099\u4efd\u6578\u64da\uff0c\u4ee5\u9632\u6b62\u610f\u5916\u522a\u9664\u91cd\u8981\u6578\u64da\u3002<\/li>\n<li><strong>\u6e2c\u8a66\u522a\u9664\u8a9e\u53e5\uff1a<\/strong>\u5728\u751f\u7522\u74b0\u5883\u4e2d\u57f7\u884c\u522a\u9664\u8a9e\u53e5\u4e4b\u524d\uff0c\u53ef\u4ee5\u5148\u5728\u6e2c\u8a66\u74b0\u5883\u4e2d\u904b\u884c\uff0c\u4ee5\u78ba\u4fdd\u5176\u6b63\u78ba\u6027\u3002<\/li>\n<li><strong>\u4f7f\u7528\u4e8b\u52d9\uff1a<\/strong>\u5728\u9032\u884c\u5927\u898f\u6a21\u522a\u9664\u6642\uff0c\u8003\u616e\u4f7f\u7528\u4e8b\u52d9\u4f86\u78ba\u4fdd\u6578\u64da\u7684\u4e00\u81f4\u6027\u548c\u5b8c\u6574\u6027\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b5%90%e8%ab%96-PzCmFOORZT\">\u7d50\u8ad6<\/h2>\n<p>\u6578\u64da\u5eab\u522a\u9664\u689d\u4ef6\u8a9e\u53e5\u662f\u4e00\u500b\u5f37\u5927\u7684\u5de5\u5177\uff0c\u53ef\u4ee5\u5e6b\u52a9\u6578\u64da\u5eab\u7ba1\u7406\u54e1\u7cbe\u78ba\u5730\u6e05\u7406\u4e0d\u5fc5\u8981\u7684\u6578\u64da\u3002\u901a\u904e\u6b63\u78ba\u4f7f\u7528\u9019\u4e9b\u8a9e\u53e5\uff0c\u60a8\u53ef\u4ee5\u63d0\u9ad8\u6578\u64da\u5eab\u7684\u6027\u80fd\uff0c\u4fdd\u6301\u6578\u64da\u7684\u6574\u6f54\u548c\u4e00\u81f4\u6027\u3002\u5728\u9032\u884c\u522a\u9664\u64cd\u4f5c\u6642\uff0c\u52d9\u5fc5\u8b39\u614e\uff0c\u4e26\u9075\u5faa\u6700\u4f73\u5be6\u8e10\uff0c\u4ee5\u907f\u514d\u4e0d\u5fc5\u8981\u7684\u6578\u64da\u640d\u5931\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\u4f86\u7ba1\u7406\u60a8\u7684\u6578\u64da\u5eab\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u5e6b\u52a9\u60a8\u8f15\u9b06\u61c9\u5c0d\u6578\u64da\u7ba1\u7406\u7684\u6311\u6230\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5b78\u7fd2\u5982\u4f55\u4f7f\u7528\u6578\u64da\u5eab\u522a\u9664\u689d\u4ef6\u8a9e\u53e5\uff0c\u5be6\u73fe\u7cbe\u6e96\u6578\u64da\u6e05\u7406\uff0c\u63d0\u5347\u6578\u64da\u7ba1\u7406\u6548\u7387\uff0c\u78ba\u4fdd\u6578\u64da\u6e96\u78ba\u6027\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-187066","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/187066","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=187066"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/187066\/revisions"}],"predecessor-version":[{"id":187067,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/187066\/revisions\/187067"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=187066"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=187066"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=187066"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}