{"id":170077,"date":"2024-11-06T20:57:24","date_gmt":"2024-11-06T12:57:24","guid":{"rendered":"https:\/\/server.hk\/cnblog\/170077\/"},"modified":"2024-11-06T20:57:25","modified_gmt":"2024-11-06T12:57:25","slug":"%e4%bd%a0%e6%98%af%e5%90%a6%e4%ba%86%e8%a7%a3oracle%e8%a7%b8%e7%99%bc%e5%99%a8","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/170077\/","title":{"rendered":"\u4f60\u662f\u5426\u4e86\u89e3Oracle\u89f8\u767c\u5668"},"content":{"rendered":"<h1 id=\"%e4%bd%a0%e6%98%af%e5%90%a6%e4%ba%86%e8%a7%a3oracle%e8%a7%b8%e7%99%bc%e5%99%a8-INCbAUJuoh\">\u4f60\u662f\u5426\u4e86\u89e3Oracle\u89f8\u767c\u5668<\/h1>\n<p>\u5728\u8cc7\u6599\u5eab\u7ba1\u7406\u7cfb\u7d71\u4e2d\uff0c\u89f8\u767c\u5668\uff08Trigger\uff09\u662f\u4e00\u7a2e\u81ea\u52d5\u57f7\u884c\u7684\u7a0b\u5e8f\uff0c\u7576\u7279\u5b9a\u4e8b\u4ef6\u767c\u751f\u6642\uff0c\u5b83\u6703\u81ea\u52d5\u57f7\u884c\u9810\u5b9a\u7684\u64cd\u4f5c\u3002Oracle\u8cc7\u6599\u5eab\u4f5c\u70ba\u4e00\u500b\u5f37\u5927\u7684\u95dc\u806f\u5f0f\u8cc7\u6599\u5eab\u7ba1\u7406\u7cfb\u7d71\uff0c\u63d0\u4f9b\u4e86\u8c50\u5bcc\u7684\u89f8\u767c\u5668\u529f\u80fd\uff0c\u5e6b\u52a9\u958b\u767c\u8005\u548c\u8cc7\u6599\u5eab\u7ba1\u7406\u54e1\u81ea\u52d5\u5316\u8a31\u591a\u4efb\u52d9\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0eOracle\u89f8\u767c\u5668\u7684\u57fa\u672c\u6982\u5ff5\u3001\u985e\u578b\u3001\u4f7f\u7528\u60c5\u5883\u53ca\u5176\u512a\u7f3a\u9ede\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%aforacle%e8%a7%b8%e7%99%bc%e5%99%a8-INCbAUJuoh\">\u4ec0\u9ebc\u662fOracle\u89f8\u767c\u5668<\/h2>\n<p>Oracle\u89f8\u767c\u5668\u662f\u4e00\u6bb5\u8207\u8cc7\u6599\u8868\u6216\u8996\u5716\u76f8\u95dc\u806f\u7684PL\/SQL\u7a0b\u5f0f\u78bc\uff0c\u7576\u5c0d\u8a72\u8cc7\u6599\u8868\u6216\u8996\u5716\u57f7\u884cINSERT\u3001UPDATE\u6216DELETE\u7b49\u64cd\u4f5c\u6642\uff0c\u89f8\u767c\u5668\u6703\u81ea\u52d5\u57f7\u884c\u3002\u9019\u4f7f\u5f97\u89f8\u767c\u5668\u6210\u70ba\u5be6\u73fe\u8cc7\u6599\u5b8c\u6574\u6027\u3001\u5be9\u8a08\u548c\u81ea\u52d5\u5316\u4efb\u52d9\u7684\u6709\u529b\u5de5\u5177\u3002<\/p>\n<h2 id=\"%e8%a7%b8%e7%99%bc%e5%99%a8%e7%9a%84%e9%a1%9e%e5%9e%8b-INCbAUJuoh\">\u89f8\u767c\u5668\u7684\u985e\u578b<\/h2>\n<p>Oracle\u89f8\u767c\u5668\u4e3b\u8981\u5206\u70ba\u4ee5\u4e0b\u5e7e\u7a2e\u985e\u578b\uff1a<\/p>\n<ul>\n<li><strong>\u884c\u7d1a\u89f8\u767c\u5668\uff08Row-level Trigger\uff09<\/strong>\uff1a\u5728\u5c0d\u8cc7\u6599\u8868\u7684\u6bcf\u4e00\u884c\u57f7\u884c\u64cd\u4f5c\u6642\u89f8\u767c\uff0c\u9069\u5408\u9700\u8981\u5c0d\u6bcf\u4e00\u884c\u9032\u884c\u8655\u7406\u7684\u60c5\u6cc1\u3002<\/li>\n<li><strong>\u8a9e\u53e5\u7d1a\u89f8\u767c\u5668\uff08Statement-level Trigger\uff09<\/strong>\uff1a\u5728\u5c0d\u8cc7\u6599\u8868\u57f7\u884cINSERT\u3001UPDATE\u6216DELETE\u8a9e\u53e5\u6642\u89f8\u767c\uff0c\u7121\u8ad6\u5f71\u97ff\u4e86\u591a\u5c11\u884c\uff0c\u53ea\u57f7\u884c\u4e00\u6b21\u3002<\/li>\n<li><strong>BEFORE\u89f8\u767c\u5668<\/strong>\uff1a\u5728\u57f7\u884cINSERT\u3001UPDATE\u6216DELETE\u64cd\u4f5c\u4e4b\u524d\u89f8\u767c\uff0c\u9069\u5408\u7528\u65bc\u9a57\u8b49\u6216\u4fee\u6539\u5373\u5c07\u9032\u884c\u7684\u64cd\u4f5c\u3002<\/li>\n<li><strong>AFTER\u89f8\u767c\u5668<\/strong>\uff1a\u5728\u57f7\u884cINSERT\u3001UPDATE\u6216DELETE\u64cd\u4f5c\u4e4b\u5f8c\u89f8\u767c\uff0c\u9069\u5408\u7528\u65bc\u8a18\u9304\u8b8a\u66f4\u6216\u57f7\u884c\u5f8c\u7e8c\u64cd\u4f5c\u3002<\/li>\n<\/ul>\n<h2 id=\"%e8%a7%b8%e7%99%bc%e5%99%a8%e7%9a%84%e4%bd%bf%e7%94%a8%e6%83%85%e5%a2%83-INCbAUJuoh\">\u89f8\u767c\u5668\u7684\u4f7f\u7528\u60c5\u5883<\/h2>\n<p>\u89f8\u767c\u5668\u53ef\u4ee5\u7528\u65bc\u591a\u7a2e\u60c5\u5883\uff0c\u5305\u62ec\u4f46\u4e0d\u9650\u65bc\uff1a<\/p>\n<ul>\n<li><strong>\u8cc7\u6599\u5b8c\u6574\u6027\u6aa2\u67e5<\/strong>\uff1a\u78ba\u4fdd\u8cc7\u6599\u5728\u63d2\u5165\u6216\u66f4\u65b0\u6642\u7b26\u5408\u7279\u5b9a\u689d\u4ef6\u3002<\/li>\n<li><strong>\u81ea\u52d5\u5316\u5be9\u8a08<\/strong>\uff1a\u8a18\u9304\u8cc7\u6599\u7684\u8b8a\u66f4\u6b77\u53f2\uff0c\u4f8b\u5982\u5728\u6bcf\u6b21\u66f4\u65b0\u6642\u81ea\u52d5\u8a18\u9304\u8b8a\u66f4\u8005\u548c\u8b8a\u66f4\u6642\u9593\u3002<\/li>\n<li><strong>\u8907\u96dc\u7684\u696d\u52d9\u908f\u8f2f<\/strong>\uff1a\u5728\u8cc7\u6599\u8b8a\u66f4\u6642\u81ea\u52d5\u57f7\u884c\u8907\u96dc\u7684\u696d\u52d9\u908f\u8f2f\uff0c\u4f8b\u5982\u81ea\u52d5\u8a08\u7b97\u67d0\u4e9b\u6b04\u4f4d\u7684\u503c\u3002<\/li>\n<\/ul>\n<h2 id=\"%e8%a7%b8%e7%99%bc%e5%99%a8%e7%9a%84%e5%84%aa%e7%bc%ba%e9%bb%9e-INCbAUJuoh\">\u89f8\u767c\u5668\u7684\u512a\u7f3a\u9ede<\/h2>\n<p>\u4f7f\u7528Oracle\u89f8\u767c\u5668\u6709\u5176\u512a\u7f3a\u9ede\uff1a<\/p>\n<h3 id=\"%e5%84%aa%e9%bb%9e-INCbAUJuoh\">\u512a\u9ede<\/h3>\n<ul>\n<li>\u81ea\u52d5\u5316\uff1a\u89f8\u767c\u5668\u53ef\u4ee5\u81ea\u52d5\u57f7\u884c\u4efb\u52d9\uff0c\u6e1b\u5c11\u624b\u52d5\u64cd\u4f5c\u7684\u9700\u8981\u3002<\/li>\n<li>\u8cc7\u6599\u5b8c\u6574\u6027\uff1a\u53ef\u4ee5\u5f37\u5236\u57f7\u884c\u8cc7\u6599\u5b8c\u6574\u6027\u898f\u5247\uff0c\u78ba\u4fdd\u8cc7\u6599\u7684\u6b63\u78ba\u6027\u3002<\/li>\n<li>\u5be9\u8a08\u529f\u80fd\uff1a\u80fd\u5920\u81ea\u52d5\u8a18\u9304\u8cc7\u6599\u8b8a\u66f4\uff0c\u4fbf\u65bc\u8ffd\u8e64\u548c\u5be9\u8a08\u3002<\/li>\n<\/ul>\n<h3 id=\"%e7%bc%ba%e9%bb%9e-INCbAUJuoh\">\u7f3a\u9ede<\/h3>\n<ul>\n<li>\u6027\u80fd\u5f71\u97ff\uff1a\u904e\u591a\u7684\u89f8\u767c\u5668\u53ef\u80fd\u6703\u5f71\u97ff\u8cc7\u6599\u5eab\u6027\u80fd\uff0c\u7279\u5225\u662f\u5728\u9ad8\u983b\u7387\u7684\u8cc7\u6599\u64cd\u4f5c\u4e2d\u3002<\/li>\n<li>\u7dad\u8b77\u56f0\u96e3\uff1a\u89f8\u767c\u5668\u7684\u908f\u8f2f\u53ef\u80fd\u6703\u96b1\u85cf\u5728\u8cc7\u6599\u64cd\u4f5c\u80cc\u5f8c\uff0c\u589e\u52a0\u4e86\u7dad\u8b77\u7684\u8907\u96dc\u6027\u3002<\/li>\n<li>\u8abf\u8a66\u6311\u6230\uff1a\u89f8\u767c\u5668\u7684\u932f\u8aa4\u53ef\u80fd\u4e0d\u6613\u88ab\u767c\u73fe\uff0c\u8abf\u8a66\u904e\u7a0b\u53ef\u80fd\u8f03\u70ba\u7e41\u7463\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b5%90%e8%ab%96-INCbAUJuoh\">\u7d50\u8ad6<\/h2>\n<p>Oracle\u89f8\u767c\u5668\u662f\u4e00\u500b\u5f37\u5927\u7684\u5de5\u5177\uff0c\u53ef\u4ee5\u5e6b\u52a9\u958b\u767c\u8005\u548c\u8cc7\u6599\u5eab\u7ba1\u7406\u54e1\u81ea\u52d5\u5316\u8a31\u591a\u4efb\u52d9\uff0c\u78ba\u4fdd\u8cc7\u6599\u7684\u5b8c\u6574\u6027\u548c\u4e00\u81f4\u6027\u3002\u7136\u800c\uff0c\u4f7f\u7528\u89f8\u767c\u5668\u6642\u4e5f\u9700\u8b39\u614e\u8003\u91cf\u5176\u5c0d\u6027\u80fd\u548c\u7dad\u8b77\u7684\u5f71\u97ff\u3002\u4e86\u89e3\u89f8\u767c\u5668\u7684\u904b\u4f5c\u539f\u7406\u53ca\u5176\u9069\u7528\u60c5\u5883\uff0c\u5c07\u6709\u52a9\u65bc\u66f4\u6709\u6548\u5730\u5229\u7528\u9019\u4e00\u529f\u80fd\u3002<\/p>\n<p>\u5982\u679c\u60a8\u5c0d\u65bc\u5982\u4f55\u5728\u60a8\u7684\u696d\u52d9\u4e2d\u4f7f\u7528\u89f8\u767c\u5668\u6709\u9032\u4e00\u6b65\u7684\u8208\u8da3\uff0c\u6216\u662f\u9700\u8981\u9ad8\u6548\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\u4f86\u652f\u63f4\u60a8\u7684\u8cc7\u6599\u5eab\u9700\u6c42\uff0c\u6b61\u8fce\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u4ee5\u7372\u53d6\u66f4\u591a\u8cc7\u8a0a\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e86\u89e3Oracle\u89f8\u767c\u5668\u7684\u529f\u80fd\u8207\u61c9\u7528\uff0c\u63d0\u5347\u6578\u64da\u5eab\u81ea\u52d5\u5316\u7ba1\u7406\u6548\u7387\uff0c\u512a\u5316\u696d\u52d9\u6d41\u7a0b\uff0c\u78ba\u4fdd\u6578\u64da\u4e00\u81f4\u6027\u8207\u5b8c\u6574\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-170077","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/170077","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=170077"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/170077\/revisions"}],"predecessor-version":[{"id":170078,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/170077\/revisions\/170078"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=170077"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=170077"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=170077"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}