{"id":183022,"date":"2024-11-10T01:17:16","date_gmt":"2024-11-09T17:17:16","guid":{"rendered":"https:\/\/server.hk\/cnblog\/183022\/"},"modified":"2024-11-10T01:17:17","modified_gmt":"2024-11-09T17:17:17","slug":"%e5%af%a6%e7%8f%beoracle%e6%b8%b8%e6%a8%99%e7%9a%84%e5%8b%95%e6%85%8b%e5%bd%a2%e5%bc%8f%e8%ac%9b%e8%a7%a3","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/183022\/","title":{"rendered":"\u5be6\u73feOracle\u6e38\u6a19\u7684\u52d5\u614b\u5f62\u5f0f\u8b1b\u89e3"},"content":{"rendered":"<h1 id=\"%e5%af%a6%e7%8f%beoracle%e6%b8%b8%e6%a8%99%e7%9a%84%e5%8b%95%e6%85%8b%e5%bd%a2%e5%bc%8f%e8%ac%9b%e8%a7%a3-ahDAwwkAGm\">\u5be6\u73feOracle\u6e38\u6a19\u7684\u52d5\u614b\u5f62\u5f0f\u8b1b\u89e3<\/h1>\n<p>\u5728Oracle\u6578\u64da\u5eab\u4e2d\uff0c\u6e38\u6a19\u662f\u4e00\u7a2e\u7528\u65bc\u64cd\u4f5c\u67e5\u8a62\u7d50\u679c\u96c6\u7684\u6578\u64da\u7d50\u69cb\u3002\u6e38\u6a19\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\u975e\u5e38\u6709\u7528\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0e\u5982\u4f55\u5be6\u73feOracle\u6e38\u6a19\u7684\u52d5\u614b\u5f62\u5f0f\uff0c\u4e26\u63d0\u4f9b\u76f8\u95dc\u7684\u793a\u4f8b\u548c\u4ee3\u78bc\u7247\u6bb5\uff0c\u4ee5\u5e6b\u52a9\u8b80\u8005\u66f4\u597d\u5730\u7406\u89e3\u9019\u4e00\u6982\u5ff5\u3002<\/p>\n<h2 id=\"%e6%b8%b8%e6%a8%99%e7%9a%84%e5%9f%ba%e6%9c%ac%e6%a6%82%e5%bf%b5-ahDAwwkAGm\">\u6e38\u6a19\u7684\u57fa\u672c\u6982\u5ff5<\/h2>\n<p>\u6e38\u6a19\u53ef\u4ee5\u5206\u70ba\u986f\u5f0f\u6e38\u6a19\u548c\u96b1\u5f0f\u6e38\u6a19\u3002\u986f\u5f0f\u6e38\u6a19\u662f\u7531\u7528\u6236\u5b9a\u7fa9\u7684\uff0c\u901a\u5e38\u7528\u65bc\u9700\u8981\u591a\u6b21\u8a2a\u554f\u67e5\u8a62\u7d50\u679c\u7684\u60c5\u6cc1\uff1b\u800c\u96b1\u5f0f\u6e38\u6a19\u5247\u662f\u7531Oracle\u81ea\u52d5\u5275\u5efa\u7684\uff0c\u901a\u5e38\u7528\u65bc\u55ae\u4e00\u7684SQL\u8a9e\u53e5\u3002<\/p>\n<h3 id=\"%e9%a1%af%e5%bc%8f%e6%b8%b8%e6%a8%99%e7%9a%84%e4%bd%bf%e7%94%a8-ahDAwwkAGm\">\u986f\u5f0f\u6e38\u6a19\u7684\u4f7f\u7528<\/h3>\n<p>\u986f\u5f0f\u6e38\u6a19\u7684\u4f7f\u7528\u901a\u5e38\u5305\u62ec\u4ee5\u4e0b\u5e7e\u500b\u6b65\u9a5f\uff1a<\/p>\n<ol>\n<li>\u5ba3\u544a\u6e38\u6a19<\/li>\n<li>\u6253\u958b\u6e38\u6a19<\/li>\n<li>\u63d0\u53d6\u6578\u64da<\/li>\n<li>\u95dc\u9589\u6e38\u6a19<\/li>\n<\/ol>\n<p>\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684\u986f\u5f0f\u6e38\u6a19\u793a\u4f8b\uff1a<\/p>\n<pre><code>DECLARE\n    CURSOR emp_cursor IS\n        SELECT employee_id, first_name, last_name FROM employees;\n    emp_record emp_cursor%ROWTYPE;\nBEGIN\n    OPEN emp_cursor;\n    LOOP\n        FETCH emp_cursor INTO emp_record;\n        EXIT WHEN emp_cursor%NOTFOUND;\n        DBMS_OUTPUT.PUT_LINE('Employee ID: ' || emp_record.employee_id || \n                             ', Name: ' || emp_record.first_name || ' ' || emp_record.last_name);\n    END LOOP;\n    CLOSE emp_cursor;\nEND;<\/code><\/pre>\n<h2 id=\"%e5%8b%95%e6%85%8b%e6%b8%b8%e6%a8%99%e7%9a%84%e6%a6%82%e5%bf%b5-ahDAwwkAGm\">\u52d5\u614b\u6e38\u6a19\u7684\u6982\u5ff5<\/h2>\n<p>\u52d5\u614b\u6e38\u6a19\u662f\u6307\u5728\u904b\u884c\u6642\u6839\u64da\u7279\u5b9a\u689d\u4ef6\u751f\u6210\u7684\u6e38\u6a19\u3002\u9019\u7a2e\u6e38\u6a19\u7684\u512a\u52e2\u5728\u65bc\u5b83\u5011\u53ef\u4ee5\u6839\u64da\u7528\u6236\u7684\u9700\u6c42\u6216\u5176\u4ed6\u8b8a\u91cf\u4f86\u8abf\u6574\u67e5\u8a62\uff0c\u5f9e\u800c\u63d0\u9ad8\u9748\u6d3b\u6027\u548c\u6548\u7387\u3002<\/p>\n<h3 id=\"%e5%af%a6%e7%8f%be%e5%8b%95%e6%85%8b%e6%b8%b8%e6%a8%99%e7%9a%84%e6%ad%a5%e9%a9%9f-ahDAwwkAGm\">\u5be6\u73fe\u52d5\u614b\u6e38\u6a19\u7684\u6b65\u9a5f<\/h3>\n<p>\u5be6\u73fe\u52d5\u614b\u6e38\u6a19\u7684\u904e\u7a0b\u901a\u5e38\u5305\u62ec\u4ee5\u4e0b\u5e7e\u500b\u6b65\u9a5f\uff1a<\/p>\n<ol>\n<li>\u4f7f\u7528\u52d5\u614bSQL\u8a9e\u53e5\u751f\u6210\u67e5\u8a62<\/li>\n<li>\u5ba3\u544a\u6e38\u6a19<\/li>\n<li>\u6253\u958b\u6e38\u6a19\u4e26\u57f7\u884c\u67e5\u8a62<\/li>\n<li>\u63d0\u53d6\u6578\u64da<\/li>\n<li>\u95dc\u9589\u6e38\u6a19<\/li>\n<\/ol>\n<p>\u4ee5\u4e0b\u662f\u4e00\u500b\u4f7f\u7528\u52d5\u614bSQL\u7684\u52d5\u614b\u6e38\u6a19\u793a\u4f8b\uff1a<\/p>\n<pre><code>DECLARE\n    v_sql VARCHAR2(1000);\n    CURSOR dynamic_cursor IS\n        EXECUTE IMMEDIATE v_sql;\n    emp_record dynamic_cursor%ROWTYPE;\nBEGIN\n    v_sql := 'SELECT employee_id, first_name, last_name FROM employees WHERE department_id = 10';\n    OPEN dynamic_cursor;\n    LOOP\n        FETCH dynamic_cursor INTO emp_record;\n        EXIT WHEN dynamic_cursor%NOTFOUND;\n        DBMS_OUTPUT.PUT_LINE('Employee ID: ' || emp_record.employee_id || \n                             ', Name: ' || emp_record.first_name || ' ' || emp_record.last_name);\n    END LOOP;\n    CLOSE dynamic_cursor;\nEND;<\/code><\/pre>\n<h2 id=\"%e5%8b%95%e6%85%8b%e6%b8%b8%e6%a8%99%e7%9a%84%e5%84%aa%e5%8b%a2-ahDAwwkAGm\">\u52d5\u614b\u6e38\u6a19\u7684\u512a\u52e2<\/h2>\n<p>\u52d5\u614b\u6e38\u6a19\u7684\u4e3b\u8981\u512a\u52e2\u5305\u62ec\uff1a<\/p>\n<ul>\n<li><strong>\u9748\u6d3b\u6027\uff1a<\/strong>\u53ef\u4ee5\u6839\u64da\u904b\u884c\u6642\u7684\u689d\u4ef6\u751f\u6210\u67e5\u8a62\uff0c\u9069\u61c9\u4e0d\u540c\u7684\u9700\u6c42\u3002<\/li>\n<li><strong>\u6548\u7387\uff1a<\/strong>\u80fd\u5920\u6e1b\u5c11\u4e0d\u5fc5\u8981\u7684\u67e5\u8a62\uff0c\u50c5\u5728\u9700\u8981\u6642\u57f7\u884c\u3002<\/li>\n<li><strong>\u53ef\u7dad\u8b77\u6027\uff1a<\/strong>\u4ee3\u78bc\u66f4\u7c21\u6f54\uff0c\u6613\u65bc\u7dad\u8b77\u548c\u64f4\u5c55\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-ahDAwwkAGm\">\u7e3d\u7d50<\/h2>\n<p>Oracle\u6e38\u6a19\u7684\u52d5\u614b\u5f62\u5f0f\u70ba\u958b\u767c\u8005\u63d0\u4f9b\u4e86\u9748\u6d3b\u4e14\u9ad8\u6548\u7684\u6578\u64da\u8655\u7406\u65b9\u5f0f\u3002\u901a\u904e\u4f7f\u7528\u986f\u5f0f\u548c\u52d5\u614b\u6e38\u6a19\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u6839\u64da\u5be6\u969b\u9700\u6c42\u9748\u6d3b\u5730\u64cd\u4f5c\u6578\u64da\uff0c\u5f9e\u800c\u63d0\u9ad8\u61c9\u7528\u7a0b\u5e8f\u7684\u6027\u80fd\u548c\u53ef\u7dad\u8b77\u6027\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u6548\u6578\u64da\u8655\u7406\u7684\u61c9\u7528\uff0c\u9078\u64c7\u5408\u9069\u7684\u6e38\u6a19\u985e\u578b\u81f3\u95dc\u91cd\u8981\u3002<\/p>\n<p>\u5982\u679c\u60a8\u5c0d\u65bc\u5982\u4f55\u5728\u60a8\u7684\u61c9\u7528\u4e2d\u5be6\u73fe\u9019\u4e9b\u6280\u8853\u6709\u9032\u4e00\u6b65\u7684\u8208\u8da3\uff0c\u6216\u8005\u9700\u8981\u9ad8\u6548\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\u4f86\u652f\u6301\u60a8\u7684\u6578\u64da\u5eab\u64cd\u4f5c\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u4ee5\u7372\u53d6\u66f4\u591a\u4fe1\u606f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6df1\u5165\u63a2\u8a0eOracle\u6e38\u6a19\u7684\u52d5\u614b\u5f62\u5f0f\uff0c\u63d0\u4f9b\u8a73\u7d30\u8b1b\u89e3\u8207\u5be6\u4f8b\uff0c\u52a9\u60a8\u638c\u63e1\u6578\u64da\u5eab\u64cd\u4f5c\u7684\u9748\u6d3b\u6027\u8207\u6548\u7387\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-183022","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/183022","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=183022"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/183022\/revisions"}],"predecessor-version":[{"id":183023,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/183022\/revisions\/183023"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=183022"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=183022"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=183022"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}