{"id":162879,"date":"2024-11-04T18:47:25","date_gmt":"2024-11-04T10:47:25","guid":{"rendered":"https:\/\/server.hk\/cnblog\/162879\/"},"modified":"2024-11-04T18:47:25","modified_gmt":"2024-11-04T10:47:25","slug":"%e6%95%99%e6%82%a8oracle%e5%8b%95%e6%85%8b%e6%9f%a5%e8%a9%a2%e8%aa%9e%e5%8f%a5%e7%9a%84%e7%94%a8%e6%b3%95","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/162879\/","title":{"rendered":"\u6559\u60a8Oracle\u52d5\u614b\u67e5\u8a62\u8a9e\u53e5\u7684\u7528\u6cd5"},"content":{"rendered":"<h1 id=\"%e6%95%99%e6%82%a8oracle%e5%8b%95%e6%85%8b%e6%9f%a5%e8%a9%a2%e8%aa%9e%e5%8f%a5%e7%9a%84%e7%94%a8%e6%b3%95-rvQkwgissR\">\u6559\u60a8Oracle\u52d5\u614b\u67e5\u8a62\u8a9e\u53e5\u7684\u7528\u6cd5<\/h1>\n<p>\u5728\u6578\u64da\u5eab\u7ba1\u7406\u4e2d\uff0c\u67e5\u8a62\u8a9e\u53e5\u662f\u7528\u4f86\u5f9e\u6578\u64da\u5eab\u4e2d\u6aa2\u7d22\u6578\u64da\u7684\u57fa\u672c\u5de5\u5177\u3002Oracle\u6578\u64da\u5eab\u63d0\u4f9b\u4e86\u5f37\u5927\u7684\u67e5\u8a62\u529f\u80fd\uff0c\u5176\u4e2d\u52d5\u614b\u67e5\u8a62\u8a9e\u53e5\u662f\u4e00\u500b\u975e\u5e38\u6709\u7528\u7684\u7279\u6027\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0eOracle\u52d5\u614b\u67e5\u8a62\u8a9e\u53e5\u7684\u7528\u6cd5\uff0c\u5e6b\u52a9\u60a8\u66f4\u597d\u5730\u7406\u89e3\u548c\u61c9\u7528\u9019\u4e00\u6280\u8853\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af%e5%8b%95%e6%85%8b%e6%9f%a5%e8%a9%a2%e8%aa%9e%e5%8f%a5%ef%bc%9f-rvQkwgissR\">\u4ec0\u9ebc\u662f\u52d5\u614b\u67e5\u8a62\u8a9e\u53e5\uff1f<\/h2>\n<p>\u52d5\u614b\u67e5\u8a62\u8a9e\u53e5\u662f\u6307\u5728\u57f7\u884c\u6642\u751f\u6210\u7684SQL\u67e5\u8a62\u8a9e\u53e5\u3002\u8207\u975c\u614b\u67e5\u8a62\u8a9e\u53e5\u4e0d\u540c\uff0c\u975c\u614b\u67e5\u8a62\u5728\u7de8\u5beb\u6642\u5c31\u5df2\u7d93\u78ba\u5b9a\u4e86\u5176\u7d50\u69cb\u548c\u5167\u5bb9\uff0c\u800c\u52d5\u614b\u67e5\u8a62\u5247\u53ef\u4ee5\u6839\u64da\u4e0d\u540c\u7684\u689d\u4ef6\u548c\u9700\u6c42\u5728\u904b\u884c\u6642\u9032\u884c\u8abf\u6574\u3002\u9019\u4f7f\u5f97\u52d5\u614b\u67e5\u8a62\u5728\u8655\u7406\u4e0d\u78ba\u5b9a\u6027\u548c\u8b8a\u5316\u6642\u975e\u5e38\u9748\u6d3b\u3002<\/p>\n<h2 id=\"%e5%8b%95%e6%85%8b%e6%9f%a5%e8%a9%a2%e7%9a%84%e5%84%aa%e5%8b%a2-rvQkwgissR\">\u52d5\u614b\u67e5\u8a62\u7684\u512a\u52e2<\/h2>\n<ul>\n<li><strong>\u9748\u6d3b\u6027\uff1a<\/strong>\u52d5\u614b\u67e5\u8a62\u53ef\u4ee5\u6839\u64da\u7528\u6236\u8f38\u5165\u6216\u5176\u4ed6\u689d\u4ef6\u751f\u6210\u4e0d\u540c\u7684\u67e5\u8a62\uff0c\u9019\u4f7f\u5f97\u61c9\u7528\u7a0b\u5e8f\u80fd\u5920\u66f4\u597d\u5730\u9069\u61c9\u8b8a\u5316\u3002<\/li>\n<li><strong>\u6e1b\u5c11\u91cd\u8907\u4ee3\u78bc\uff1a<\/strong>\u901a\u904e\u4f7f\u7528\u52d5\u614b\u67e5\u8a62\uff0c\u53ef\u4ee5\u6e1b\u5c11\u70ba\u4e0d\u540c\u67e5\u8a62\u7de8\u5beb\u91cd\u8907\u4ee3\u78bc\u7684\u9700\u8981\u3002<\/li>\n<li><strong>\u63d0\u9ad8\u6027\u80fd\uff1a<\/strong>\u5728\u67d0\u4e9b\u60c5\u6cc1\u4e0b\uff0c\u52d5\u614b\u67e5\u8a62\u53ef\u4ee5\u63d0\u9ad8\u67e5\u8a62\u6027\u80fd\uff0c\u56e0\u70ba\u5b83\u53ef\u4ee5\u6839\u64da\u5be6\u969b\u60c5\u6cc1\u751f\u6210\u6700\u512a\u7684\u67e5\u8a62\u8a08\u5283\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%a6%82%e4%bd%95%e4%bd%bf%e7%94%a8%e5%8b%95%e6%85%8b%e6%9f%a5%e8%a9%a2%e8%aa%9e%e5%8f%a5-rvQkwgissR\">\u5982\u4f55\u4f7f\u7528\u52d5\u614b\u67e5\u8a62\u8a9e\u53e5<\/h2>\n<p>\u5728Oracle\u4e2d\uff0c\u52d5\u614b\u67e5\u8a62\u901a\u5e38\u4f7f\u7528PL\/SQL\u8a9e\u8a00\u4f86\u5be6\u73fe\u3002\u4ee5\u4e0b\u662f\u4f7f\u7528\u52d5\u614b\u67e5\u8a62\u7684\u57fa\u672c\u6b65\u9a5f\uff1a<\/p>\n<h3 id=\"1-%e4%bd%bf%e7%94%a8execute-immediate-rvQkwgissR\">1. \u4f7f\u7528EXECUTE IMMEDIATE<\/h3>\n<p>\u6700\u5e38\u898b\u7684\u52d5\u614b\u67e5\u8a62\u65b9\u6cd5\u662f\u4f7f\u7528`EXECUTE IMMEDIATE`\u8a9e\u53e5\u3002\u9019\u500b\u8a9e\u53e5\u5141\u8a31\u60a8\u57f7\u884c\u4e00\u500b\u5b57\u7b26\u4e32\u5f62\u5f0f\u7684SQL\u8a9e\u53e5\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>DECLARE\n    v_sql VARCHAR2(1000);\n    v_emp_name VARCHAR2(100);\nBEGIN\n    v_sql := 'SELECT name FROM employees WHERE employee_id = :id';\n    EXECUTE IMMEDIATE v_sql INTO v_emp_name USING 101;\n    DBMS_OUTPUT.PUT_LINE('Employee Name: ' || v_emp_name);\nEND;<\/code><\/pre>\n<p>\u5728\u9019\u500b\u4f8b\u5b50\u4e2d\uff0c\u6211\u5011\u4f7f\u7528`EXECUTE IMMEDIATE`\u4f86\u57f7\u884c\u4e00\u500b\u67e5\u8a62\uff0c\u4e26\u4f7f\u7528`USING`\u5b50\u53e5\u4f86\u50b3\u905e\u53c3\u6578\u3002<\/p>\n<h3 id=\"2-%e4%bd%bf%e7%94%a8dbms_sql%e5%8c%85-rvQkwgissR\">2. \u4f7f\u7528DBMS_SQL\u5305<\/h3>\n<p>\u53e6\u4e00\u7a2e\u65b9\u6cd5\u662f\u4f7f\u7528`DBMS_SQL`\u5305\uff0c\u9019\u63d0\u4f9b\u4e86\u66f4\u9ad8\u7d1a\u7684\u52d5\u614bSQL\u529f\u80fd\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u4f7f\u7528`DBMS_SQL`\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>DECLARE\n    v_cursor INTEGER;\n    v_sql VARCHAR2(1000);\n    v_emp_name VARCHAR2(100);\n    v_status INTEGER;\nBEGIN\n    v_sql := 'SELECT name FROM employees WHERE employee_id = :id';\n    v_cursor := DBMS_SQL.OPEN_CURSOR;\n    DBMS_SQL.PARSE(v_cursor, v_sql, DBMS_SQL.NATIVE);\n    DBMS_SQL.BIND_VARIABLE(v_cursor, ':id', 101);\n    v_status := DBMS_SQL.EXECUTE(v_cursor);\n    DBMS_SQL.DEFINE(v_cursor, 1, v_emp_name, 100);\n    IF DBMS_SQL.FETCH(v_cursor) &gt; 0 THEN\n        DBMS_OUTPUT.PUT_LINE('Employee Name: ' || v_emp_name);\n    END IF;\n    DBMS_SQL.CLOSE_CURSOR(v_cursor);\nEND;<\/code><\/pre>\n<p>\u9019\u6bb5\u4ee3\u78bc\u5c55\u793a\u4e86\u5982\u4f55\u4f7f\u7528`DBMS_SQL`\u5305\u4f86\u57f7\u884c\u52d5\u614b\u67e5\u8a62\uff0c\u4e26\u4e14\u63d0\u4f9b\u4e86\u66f4\u9748\u6d3b\u7684\u63a7\u5236\u3002<\/p>\n<h2 id=\"%e6%b3%a8%e6%84%8f%e4%ba%8b%e9%a0%85-rvQkwgissR\">\u6ce8\u610f\u4e8b\u9805<\/h2>\n<p>\u5728\u4f7f\u7528\u52d5\u614b\u67e5\u8a62\u6642\uff0c\u958b\u767c\u8005\u9700\u8981\u6ce8\u610f\u4ee5\u4e0b\u5e7e\u9ede\uff1a<\/p>\n<ul>\n<li><strong>SQL\u6ce8\u5165\u98a8\u96aa\uff1a<\/strong>\u52d5\u614b\u67e5\u8a62\u5bb9\u6613\u53d7\u5230SQL\u6ce8\u5165\u653b\u64ca\uff0c\u56e0\u6b64\u5728\u69cb\u5efa\u67e5\u8a62\u6642\u61c9\u8a72\u8b39\u614e\u8655\u7406\u7528\u6236\u8f38\u5165\u3002<\/li>\n<li><strong>\u6027\u80fd\u8003\u91cf\uff1a<\/strong>\u96d6\u7136\u52d5\u614b\u67e5\u8a62\u63d0\u4f9b\u4e86\u9748\u6d3b\u6027\uff0c\u4f46\u904e\u5ea6\u4f7f\u7528\u53ef\u80fd\u6703\u5f71\u97ff\u6027\u80fd\uff0c\u7279\u5225\u662f\u5728\u9ad8\u983b\u7387\u57f7\u884c\u7684\u60c5\u6cc1\u4e0b\u3002<\/li>\n<li><strong>\u8abf\u8a66\u56f0\u96e3\uff1a<\/strong>\u52d5\u614b\u751f\u6210\u7684\u67e5\u8a62\u53ef\u80fd\u6703\u4f7f\u5f97\u8abf\u8a66\u8b8a\u5f97\u66f4\u52a0\u56f0\u96e3\uff0c\u56e0\u6b64\u5728\u958b\u767c\u904e\u7a0b\u4e2d\u61c9\u8a72\u4fdd\u6301\u826f\u597d\u7684\u65e5\u8a8c\u8a18\u9304\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-rvQkwgissR\">\u7e3d\u7d50<\/h2>\n<p>\u52d5\u614b\u67e5\u8a62\u8a9e\u53e5\u5728Oracle\u6578\u64da\u5eab\u4e2d\u662f\u4e00\u500b\u5f37\u5927\u7684\u5de5\u5177\uff0c\u80fd\u5920\u63d0\u4f9b\u9748\u6d3b\u6027\u548c\u6548\u7387\u3002\u901a\u904e\u4f7f\u7528`EXECUTE IMMEDIATE`\u548c`DBMS_SQL`\u5305\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u6839\u64da\u5be6\u969b\u9700\u6c42\u751f\u6210\u548c\u57f7\u884c\u67e5\u8a62\u3002\u7136\u800c\uff0c\u5728\u4f7f\u7528\u52d5\u614b\u67e5\u8a62\u6642\uff0c\u5fc5\u9808\u8b39\u614e\u8003\u616e\u5b89\u5168\u6027\u548c\u6027\u80fd\u554f\u984c\u3002\u4e86\u89e3\u9019\u4e9b\u57fa\u672c\u6982\u5ff5\u5f8c\uff0c\u60a8\u53ef\u4ee5\u66f4\u6709\u6548\u5730\u5229\u7528Oracle\u7684\u52d5\u614b\u67e5\u8a62\u529f\u80fd\uff0c\u63d0\u5347\u60a8\u7684\u6578\u64da\u5eab\u61c9\u7528\u7a0b\u5e8f\u7684\u9748\u6d3b\u6027\u548c\u6027\u80fd\u3002<\/p>\n<p>\u5982\u679c\u60a8\u5c0d\u65bcVPS\u6216\u5176\u4ed6\u4f3a\u670d\u5668\u89e3\u6c7a\u65b9\u6848\u611f\u8208\u8da3\uff0c\u6b61\u8fce\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9 <a href=\"https:\/\/server.hk\">Server.HK<\/a> \u7372\u53d6\u66f4\u591a\u8cc7\u8a0a\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5b78\u7fd2Oracle\u52d5\u614b\u67e5\u8a62\u8a9e\u53e5\u7684\u7528\u6cd5\uff0c\u638c\u63e1\u9748\u6d3b\u67e5\u8a62\u6280\u5de7\uff0c\u63d0\u5347\u6578\u64da\u64cd\u4f5c\u6548\u7387\uff0c\u5be6\u73fe\u66f4\u9ad8\u6548\u7684\u6578\u64da\u7ba1\u7406\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-162879","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/162879","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=162879"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/162879\/revisions"}],"predecessor-version":[{"id":162880,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/162879\/revisions\/162880"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=162879"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=162879"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=162879"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}