{"id":183918,"date":"2024-11-10T08:49:18","date_gmt":"2024-11-10T00:49:18","guid":{"rendered":"https:\/\/server.hk\/cnblog\/183918\/"},"modified":"2024-11-10T08:49:19","modified_gmt":"2024-11-10T00:49:19","slug":"%e4%bd%bf%e7%94%a8oracle%e6%b8%b8%e6%a8%99%e5%88%aa%e9%99%a4%e6%95%b8%e6%93%9a%e5%ba%ab%e4%b8%ad%e7%9a%84%e6%95%b8%e6%93%9a-oracle%e7%94%a8%e6%b8%b8%e6%a8%99%e5%88%aa%e9%99%a4%e6%95%b8%e6%93%9a","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/183918\/","title":{"rendered":"\u4f7f\u7528Oracle\u6e38\u6a19\u522a\u9664\u6578\u64da\u5eab\u4e2d\u7684\u6578\u64da (oracle\u7528\u6e38\u6a19\u522a\u9664\u6578\u64da\u5eab)"},"content":{"rendered":"<h1 id=\"%e4%bd%bf%e7%94%a8oracle%e6%b8%b8%e6%a8%99%e5%88%aa%e9%99%a4%e6%95%b8%e6%93%9a%e5%ba%ab%e4%b8%ad%e7%9a%84%e6%95%b8%e6%93%9a-OvrUcBtudq\">\u4f7f\u7528Oracle\u6e38\u6a19\u522a\u9664\u6578\u64da\u5eab\u4e2d\u7684\u6578\u64da<\/h1>\n<p>\u5728Oracle\u6578\u64da\u5eab\u4e2d\uff0c\u6e38\u6a19\u662f\u4e00\u7a2e\u7528\u65bc\u64cd\u4f5c\u67e5\u8a62\u7d50\u679c\u96c6\u7684\u5de5\u5177\u3002\u5b83\u5141\u8a31\u958b\u767c\u8005\u9010\u884c\u8655\u7406\u67e5\u8a62\u7d50\u679c\uff0c\u9019\u5728\u9700\u8981\u5c0d\u6578\u64da\u9032\u884c\u9010\u6b65\u64cd\u4f5c\u6642\u7279\u5225\u6709\u7528\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u4f7f\u7528Oracle\u6e38\u6a19\u4f86\u522a\u9664\u6578\u64da\u5eab\u4e2d\u7684\u6578\u64da\uff0c\u4e26\u63d0\u4f9b\u76f8\u95dc\u7684\u793a\u4f8b\u548c\u4ee3\u78bc\u7247\u6bb5\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af%e6%b8%b8%e6%a8%99%ef%bc%9f-OvrUcBtudq\">\u4ec0\u9ebc\u662f\u6e38\u6a19\uff1f<\/h2>\n<p>\u6e38\u6a19\u662f\u4e00\u500b\u6307\u5411\u67e5\u8a62\u7d50\u679c\u96c6\u7684\u6307\u6a19\u3002\u7576\u57f7\u884c\u4e00\u500b\u67e5\u8a62\u6642\uff0cOracle\u6703\u751f\u6210\u4e00\u500b\u7d50\u679c\u96c6\uff0c\u6e38\u6a19\u5247\u7528\u65bc\u904d\u6b77\u9019\u500b\u7d50\u679c\u96c6\u3002\u6e38\u6a19\u53ef\u4ee5\u662f\u986f\u5f0f\u7684\u6216\u96b1\u5f0f\u7684\uff0c\u986f\u5f0f\u6e38\u6a19\u9700\u8981\u958b\u767c\u8005\u624b\u52d5\u5b9a\u7fa9\uff0c\u800c\u96b1\u5f0f\u6e38\u6a19\u5247\u7531Oracle\u81ea\u52d5\u7ba1\u7406\u3002<\/p>\n<h2 id=\"%e4%bd%bf%e7%94%a8%e6%b8%b8%e6%a8%99%e5%88%aa%e9%99%a4%e6%95%b8%e6%93%9a%e7%9a%84%e6%ad%a5%e9%a9%9f-OvrUcBtudq\">\u4f7f\u7528\u6e38\u6a19\u522a\u9664\u6578\u64da\u7684\u6b65\u9a5f<\/h2>\n<p>\u4f7f\u7528\u6e38\u6a19\u522a\u9664\u6578\u64da\u7684\u904e\u7a0b\u901a\u5e38\u5305\u62ec\u4ee5\u4e0b\u5e7e\u500b\u6b65\u9a5f\uff1a<\/p>\n<ol>\n<li>\u5b9a\u7fa9\u6e38\u6a19\uff1a\u4f7f\u7528SQL\u67e5\u8a62\u4f86\u9078\u64c7\u8981\u522a\u9664\u7684\u6578\u64da\u3002<\/li>\n<li>\u6253\u958b\u6e38\u6a19\uff1a\u57f7\u884c\u67e5\u8a62\u4e26\u7372\u53d6\u7d50\u679c\u96c6\u3002<\/li>\n<li>\u904d\u6b77\u7d50\u679c\u96c6\uff1a\u9010\u884c\u8655\u7406\u6bcf\u4e00\u689d\u8a18\u9304\u3002<\/li>\n<li>\u522a\u9664\u6578\u64da\uff1a\u6839\u64da\u9700\u8981\u522a\u9664\u6bcf\u4e00\u689d\u8a18\u9304\u3002<\/li>\n<li>\u95dc\u9589\u6e38\u6a19\uff1a\u91cb\u653e\u8cc7\u6e90\u3002<\/li>\n<\/ol>\n<h2 id=\"%e7%a4%ba%e4%be%8b%e4%bb%a3%e7%a2%bc-OvrUcBtudq\">\u793a\u4f8b\u4ee3\u78bc<\/h2>\n<p>\u4ee5\u4e0b\u662f\u4e00\u500b\u4f7f\u7528\u6e38\u6a19\u522a\u9664\u6578\u64da\u7684\u793a\u4f8b\u4ee3\u78bc\uff1a<\/p>\n<pre><code>\nDECLARE\n    CURSOR c1 IS\n        SELECT id FROM employees WHERE department = 'Sales';\n    v_id employees.id%TYPE;\nBEGIN\n    OPEN c1;\n    LOOP\n        FETCH c1 INTO v_id;\n        EXIT WHEN c1%NOTFOUND;\n        \n        DELETE FROM employees WHERE id = v_id;\n    END LOOP;\n    CLOSE c1;\n    \n    COMMIT; -- \u63d0\u4ea4\u66f4\u6539\nEND;\n<\/code><\/pre>\n<p>\u5728\u9019\u500b\u793a\u4f8b\u4e2d\uff0c\u6211\u5011\u9996\u5148\u5b9a\u7fa9\u4e86\u4e00\u500b\u6e38\u6a19\uff0c\u7528\u65bc\u9078\u64c7\u6240\u6709\u5728\u201cSales\u201d\u90e8\u9580\u7684\u54e1\u5de5ID\u3002\u7136\u5f8c\uff0c\u6211\u5011\u6253\u958b\u6e38\u6a19\u4e26\u958b\u59cb\u904d\u6b77\u7d50\u679c\u96c6\u3002\u5c0d\u65bc\u6bcf\u4e00\u689d\u8a18\u9304\uff0c\u6211\u5011\u6839\u64daID\u522a\u9664\u76f8\u61c9\u7684\u54e1\u5de5\u6578\u64da\u3002\u6700\u5f8c\uff0c\u6211\u5011\u95dc\u9589\u6e38\u6a19\u4e26\u63d0\u4ea4\u66f4\u6539\u3002<\/p>\n<h2 id=\"%e6%b3%a8%e6%84%8f%e4%ba%8b%e9%a0%85-OvrUcBtudq\">\u6ce8\u610f\u4e8b\u9805<\/h2>\n<p>\u5728\u4f7f\u7528\u6e38\u6a19\u522a\u9664\u6578\u64da\u6642\uff0c\u6709\u5e7e\u9ede\u9700\u8981\u7279\u5225\u6ce8\u610f\uff1a<\/p>\n<ul>\n<li>\u78ba\u4fdd\u5728\u522a\u9664\u6578\u64da\u4e4b\u524d\u9032\u884c\u9069\u7576\u7684\u6aa2\u67e5\uff0c\u4ee5\u907f\u514d\u610f\u5916\u522a\u9664\u91cd\u8981\u6578\u64da\u3002<\/li>\n<li>\u5728\u522a\u9664\u64cd\u4f5c\u5f8c\uff0c\u52d9\u5fc5\u57f7\u884c<code>COMMIT<\/code>\u4ee5\u4fdd\u5b58\u66f4\u6539\u3002<\/li>\n<li>\u4f7f\u7528\u6e38\u6a19\u6642\uff0c\u61c9\u6ce8\u610f\u8cc7\u6e90\u7684\u91cb\u653e\uff0c\u78ba\u4fdd\u5728\u64cd\u4f5c\u5b8c\u6210\u5f8c\u95dc\u9589\u6e38\u6a19\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-OvrUcBtudq\">\u7e3d\u7d50<\/h2>\n<p>\u4f7f\u7528Oracle\u6e38\u6a19\u522a\u9664\u6578\u64da\u5eab\u4e2d\u7684\u6578\u64da\u662f\u4e00\u500b\u6709\u6548\u7684\u6280\u8853\uff0c\u7279\u5225\u662f\u5728\u9700\u8981\u9010\u884c\u8655\u7406\u6578\u64da\u7684\u60c5\u6cc1\u4e0b\u3002\u901a\u904e\u6b63\u78ba\u5730\u5b9a\u7fa9\u548c\u7ba1\u7406\u6e38\u6a19\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u9748\u6d3b\u5730\u64cd\u4f5c\u6578\u64da\uff0c\u78ba\u4fdd\u6578\u64da\u7684\u5b8c\u6574\u6027\u548c\u4e00\u81f4\u6027\u3002\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684\u6578\u64da\u7ba1\u7406\u89e3\u6c7a\u65b9\u6848\uff0c\u8003\u616e\u4f7f\u7528<a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a>\u4f86\u652f\u6301\u60a8\u7684\u6578\u64da\u5eab\u64cd\u4f5c\uff0c\u63d0\u4f9b\u7a69\u5b9a\u7684\u6027\u80fd\u548c\u53ef\u9760\u7684\u670d\u52d9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5b78\u7fd2\u5982\u4f55\u4f7f\u7528Oracle\u6e38\u6a19\u6709\u6548\u5730\u522a\u9664\u6578\u64da\u5eab\u4e2d\u7684\u6578\u64da\uff0c\u63d0\u5347\u6578\u64da\u7ba1\u7406\u6548\u7387\uff0c\u7c21\u5316\u64cd\u4f5c\u6d41\u7a0b\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-183918","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/183918","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=183918"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/183918\/revisions"}],"predecessor-version":[{"id":183919,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/183918\/revisions\/183919"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=183918"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=183918"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=183918"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}