{"id":167051,"date":"2024-11-05T21:57:19","date_gmt":"2024-11-05T13:57:19","guid":{"rendered":"https:\/\/server.hk\/cnblog\/167051\/"},"modified":"2024-11-05T21:57:20","modified_gmt":"2024-11-05T13:57:20","slug":"%e5%88%a9%e7%94%a8oracle%e5%a4%9a%e8%a1%a8%e9%97%9c%e8%81%af%e8%bc%95%e9%ac%86%e5%af%a6%e7%8f%be%e6%95%b8%e6%93%9a%e5%ba%ab%e5%88%aa%e9%99%a4%e6%93%8d%e4%bd%9c-oracle%e5%a4%9a%e8%a1%a8%e9%97%9c","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/167051\/","title":{"rendered":"\u5229\u7528Oracle\u591a\u8868\u95dc\u806f\u8f15\u9b06\u5be6\u73fe\u6578\u64da\u5eab\u522a\u9664\u64cd\u4f5c (oracle\u591a\u8868\u95dc\u806f\u600e\u9ebc\u522a\u9664\u6578\u64da\u5eab)"},"content":{"rendered":"<h1 id=\"%e5%88%a9%e7%94%a8oracle%e5%a4%9a%e8%a1%a8%e9%97%9c%e8%81%af%e8%bc%95%e9%ac%86%e5%af%a6%e7%8f%be%e6%95%b8%e6%93%9a%e5%ba%ab%e5%88%aa%e9%99%a4%e6%93%8d%e4%bd%9c-hZAoEBRQap\">\u5229\u7528Oracle\u591a\u8868\u95dc\u806f\u8f15\u9b06\u5be6\u73fe\u6578\u64da\u5eab\u522a\u9664\u64cd\u4f5c<\/h1>\n<p>\u5728\u6578\u64da\u5eab\u7ba1\u7406\u4e2d\uff0c\u522a\u9664\u64cd\u4f5c\u662f\u4e00\u500b\u5e38\u898b\u4e14\u91cd\u8981\u7684\u4efb\u52d9\u3002\u5c24\u5176\u662f\u5728\u4f7f\u7528Oracle\u6578\u64da\u5eab\u6642\uff0c\u7576\u6d89\u53ca\u5230\u591a\u8868\u95dc\u806f\u7684\u60c5\u6cc1\uff0c\u522a\u9664\u64cd\u4f5c\u53ef\u80fd\u6703\u8b8a\u5f97\u66f4\u52a0\u8907\u96dc\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u5229\u7528Oracle\u7684\u591a\u8868\u95dc\u806f\u4f86\u8f15\u9b06\u5be6\u73fe\u6578\u64da\u5eab\u7684\u522a\u9664\u64cd\u4f5c\uff0c\u4e26\u63d0\u4f9b\u4e00\u4e9b\u5be6\u7528\u7684\u793a\u4f8b\u548c\u4ee3\u78bc\u7247\u6bb5\u3002<\/p>\n<h2 id=\"%e5%a4%9a%e8%a1%a8%e9%97%9c%e8%81%af%e7%9a%84%e6%a6%82%e5%bf%b5-hZAoEBRQap\">\u591a\u8868\u95dc\u806f\u7684\u6982\u5ff5<\/h2>\n<p>\u5728\u95dc\u806f\u6578\u64da\u5eab\u4e2d\uff0c\u591a\u8868\u95dc\u806f\u662f\u6307\u591a\u500b\u8868\u4e4b\u9593\u5b58\u5728\u67d0\u7a2e\u95dc\u806f\u6027\u3002\u9019\u7a2e\u95dc\u806f\u6027\u901a\u5e38\u662f\u901a\u904e\u5916\u9375\u4f86\u5be6\u73fe\u7684\u3002\u7576\u4e00\u500b\u8868\u4e2d\u7684\u6578\u64da\u4f9d\u8cf4\u65bc\u53e6\u4e00\u500b\u8868\u4e2d\u7684\u6578\u64da\u6642\uff0c\u522a\u9664\u64cd\u4f5c\u9700\u8981\u7279\u5225\u5c0f\u5fc3\uff0c\u4ee5\u907f\u514d\u7834\u58de\u6578\u64da\u7684\u5b8c\u6574\u6027\u3002<\/p>\n<h2 id=\"%e5%88%aa%e9%99%a4%e6%93%8d%e4%bd%9c%e7%9a%84%e5%9f%ba%e6%9c%ac%e8%aa%9e%e6%b3%95-hZAoEBRQap\">\u522a\u9664\u64cd\u4f5c\u7684\u57fa\u672c\u8a9e\u6cd5<\/h2>\n<p>\u5728Oracle\u4e2d\uff0c\u522a\u9664\u6578\u64da\u7684\u57fa\u672c\u8a9e\u6cd5\u5982\u4e0b\uff1a<\/p>\n<pre><code>DELETE FROM \u8868\u540d WHERE \u689d\u4ef6;<\/code><\/pre>\n<p>\u7136\u800c\uff0c\u7576\u6d89\u53ca\u5230\u591a\u8868\u95dc\u806f\u6642\uff0c\u50c5\u50c5\u4f7f\u7528\u9019\u500b\u8a9e\u6cd5\u53ef\u80fd\u7121\u6cd5\u6eff\u8db3\u9700\u6c42\u3002\u9019\u6642\uff0c\u6211\u5011\u9700\u8981\u4f7f\u7528\u806f\u63a5\uff08JOIN\uff09\u4f86\u522a\u9664\u76f8\u95dc\u7684\u6578\u64da\u3002<\/p>\n<h2 id=\"%e4%bd%bf%e7%94%a8join%e5%88%aa%e9%99%a4%e5%a4%9a%e8%a1%a8%e9%97%9c%e8%81%af%e6%95%b8%e6%93%9a-hZAoEBRQap\">\u4f7f\u7528JOIN\u522a\u9664\u591a\u8868\u95dc\u806f\u6578\u64da<\/h2>\n<p>\u5047\u8a2d\u6211\u5011\u6709\u5169\u500b\u8868\uff1a<strong>orders<\/strong>\uff08\u8a02\u55ae\u8868\uff09\u548c<strong>customers<\/strong>\uff08\u5ba2\u6236\u8868\uff09\u3002\u5982\u679c\u6211\u5011\u60f3\u522a\u9664\u6240\u6709\u4f86\u81ea\u67d0\u500b\u7279\u5b9a\u5ba2\u6236\u7684\u8a02\u55ae\uff0c\u6211\u5011\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0bSQL\u8a9e\u53e5\uff1a<\/p>\n<pre><code>DELETE FROM orders\nWHERE customer_id IN (SELECT customer_id FROM customers WHERE customer_name = '\u67d0\u5ba2\u6236\u540d\u7a31');<\/code><\/pre>\n<p>\u5728\u9019\u500b\u4f8b\u5b50\u4e2d\uff0c\u6211\u5011\u9996\u5148\u5f9e<strong>customers<\/strong>\u8868\u4e2d\u9078\u64c7\u51fa\u7279\u5b9a\u5ba2\u6236\u7684ID\uff0c\u7136\u5f8c\u4f7f\u7528\u9019\u4e9bID\u4f86\u522a\u9664<strong>orders<\/strong>\u8868\u4e2d\u76f8\u61c9\u7684\u8a02\u55ae\u3002<\/p>\n<h2 id=\"%e4%bd%bf%e7%94%a8%e5%ad%90%e6%9f%a5%e8%a9%a2%e5%88%aa%e9%99%a4%e6%95%b8%e6%93%9a-hZAoEBRQap\">\u4f7f\u7528\u5b50\u67e5\u8a62\u522a\u9664\u6578\u64da<\/h2>\n<p>\u9664\u4e86\u4f7f\u7528JOIN\uff0c\u6211\u5011\u9084\u53ef\u4ee5\u4f7f\u7528\u5b50\u67e5\u8a62\u4f86\u522a\u9664\u6578\u64da\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u793a\u4f8b\uff0c\u5c55\u793a\u5982\u4f55\u4f7f\u7528\u5b50\u67e5\u8a62\u522a\u9664\u591a\u8868\u95dc\u806f\u7684\u6578\u64da\uff1a<\/p>\n<pre><code>DELETE FROM orders\nWHERE customer_id = (SELECT customer_id FROM customers WHERE customer_name = '\u67d0\u5ba2\u6236\u540d\u7a31');<\/code><\/pre>\n<p>\u9019\u7a2e\u65b9\u6cd5\u5728\u8655\u7406\u55ae\u4e00\u689d\u4ef6\u6642\u975e\u5e38\u6709\u6548\uff0c\u4f46\u5728\u591a\u689d\u4ef6\u7684\u60c5\u6cc1\u4e0b\uff0c\u4f7f\u7528IN\u8a9e\u53e5\u6703\u66f4\u52a0\u9748\u6d3b\u3002<\/p>\n<h2 id=\"%e6%b3%a8%e6%84%8f%e4%ba%8b%e9%a0%85-hZAoEBRQap\">\u6ce8\u610f\u4e8b\u9805<\/h2>\n<p>\u5728\u9032\u884c\u522a\u9664\u64cd\u4f5c\u6642\uff0c\u7279\u5225\u662f\u5728\u591a\u8868\u95dc\u806f\u7684\u60c5\u6cc1\u4e0b\uff0c\u6709\u5e7e\u9ede\u9700\u8981\u6ce8\u610f\uff1a<\/p>\n<ul>\n<li>\u78ba\u4fdd\u5728\u522a\u9664\u4e4b\u524d\u5099\u4efd\u6578\u64da\uff0c\u4ee5\u9632\u6b62\u610f\u5916\u522a\u9664\u91cd\u8981\u6578\u64da\u3002<\/li>\n<li>\u4f7f\u7528\u4e8b\u52d9\uff08TRANSACTION\uff09\u4f86\u78ba\u4fdd\u6578\u64da\u7684\u4e00\u81f4\u6027\u3002\u5982\u679c\u522a\u9664\u64cd\u4f5c\u5931\u6557\uff0c\u53ef\u4ee5\u56de\u6efe\u5230\u4e4b\u524d\u7684\u72c0\u614b\u3002<\/li>\n<li>\u5728\u522a\u9664\u64cd\u4f5c\u5f8c\uff0c\u6aa2\u67e5\u6578\u64da\u5b8c\u6574\u6027\uff0c\u78ba\u4fdd\u6c92\u6709\u7559\u4e0b\u5b64\u7acb\u7684\u8a18\u9304\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-hZAoEBRQap\">\u7e3d\u7d50<\/h2>\n<p>\u5229\u7528Oracle\u7684\u591a\u8868\u95dc\u806f\u9032\u884c\u6578\u64da\u5eab\u522a\u9664\u64cd\u4f5c\u96d6\u7136\u53ef\u80fd\u6703\u6709\u4e00\u5b9a\u7684\u6311\u6230\uff0c\u4f46\u901a\u904e\u6b63\u78ba\u7684\u8a9e\u6cd5\u548c\u65b9\u6cd5\uff0c\u6211\u5011\u53ef\u4ee5\u8f15\u9b06\u5730\u5be6\u73fe\u9019\u4e00\u76ee\u6a19\u3002\u7121\u8ad6\u662f\u4f7f\u7528JOIN\u9084\u662f\u5b50\u67e5\u8a62\uff0c\u7406\u89e3\u6578\u64da\u4e4b\u9593\u7684\u95dc\u806f\u6027\u662f\u6210\u529f\u522a\u9664\u64cd\u4f5c\u7684\u95dc\u9375\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u7a69\u5b9a\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\u5eab\u7ba1\u7406\u9084\u662f\u5176\u4ed6\u61c9\u7528\uff0c\u9078\u64c7\u5408\u9069\u7684\u670d\u52d9\u5668\u5c07\u6709\u52a9\u65bc\u63d0\u5347\u60a8\u7684\u5de5\u4f5c\u6548\u7387\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5b78\u7fd2\u5982\u4f55\u5229\u7528Oracle\u591a\u8868\u95dc\u806f\u8f15\u9b06\u5be6\u73fe\u6578\u64da\u5eab\u522a\u9664\u64cd\u4f5c\uff0c\u638c\u63e1\u6709\u6548\u7684\u6578\u64da\u7ba1\u7406\u6280\u5de7\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-167051","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/167051","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=167051"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/167051\/revisions"}],"predecessor-version":[{"id":167052,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/167051\/revisions\/167052"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=167051"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=167051"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=167051"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}