{"id":5597,"date":"2024-11-14T08:56:01","date_gmt":"2024-11-14T00:56:01","guid":{"rendered":"https:\/\/fwq.ai\/blog\/5597\/"},"modified":"2024-11-14T08:56:01","modified_gmt":"2024-11-14T00:56:01","slug":"oracle%e5%ad%98%e5%82%a8%e8%bf%87%e7%a8%8b%e5%bc%82%e5%b8%b8%e6%80%8e%e4%b9%88%e6%8d%95%e6%8d%89","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/5597\/","title":{"rendered":"oracle\u5b58\u50a8\u8fc7\u7a0b\u5f02\u5e38\u600e\u4e48\u6355\u6349"},"content":{"rendered":"<blockquote><p>\n  oracle\u5b58\u50a8\u8fc7\u7a0b\u63d0\u4f9b\u4e86exception\u5757\u7528\u4e8e\u6355\u6349\u5f02\u5e38\uff0c\u6b65\u9aa4\u5982\u4e0b\uff1a\u4f7f\u7528exception\u5757\u6307\u5b9a\u5f02\u5e38\u7c7b\u578b\uff1awhen exception_name then\u63d0\u4f9b\u5904\u7406\u4ee3\u7801\uff1a\u6267\u884c\u5f02\u5e38\u5904\u7406\u64cd\u4f5c\u4f7f\u7528when others\u5b50\u53e5\u5904\u7406\u672a\u6307\u5b9a\u7684\u5f02\u5e38\uff1a\u63d0\u4f9b\u901a\u7528\u5904\u7406\u673a\u5236\n<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202405\/30\/2024053018033769574.jpg\" class=\"aligncenter\" title=\"oracle\u5b58\u50a8\u8fc7\u7a0b\u5f02\u5e38\u600e\u4e48\u6355\u6349\u63d2\u56fe\" alt=\"oracle\u5b58\u50a8\u8fc7\u7a0b\u5f02\u5e38\u600e\u4e48\u6355\u6349\u63d2\u56fe\" \/><\/p>\n<p><strong>Oracle\u5b58\u50a8\u8fc7\u7a0b\u5f02\u5e38\u6355\u6349<\/strong><\/p>\n<p>Oracle\u5b58\u50a8\u8fc7\u7a0b\u63d0\u4f9b\u4e86\u4e00\u79cd\u65b9\u4fbf\u7684\u65b9\u6cd5\u6765\u7ec4\u7ec7\u548c\u91cd\u7528SQL\u4ee3\u7801\u3002\u7136\u800c\uff0c\u5728\u6267\u884c\u8fc7\u7a0b\u4e2d\u53ef\u80fd\u53d1\u751f\u9519\u8bef\u6216\u5f02\u5e38\u3002\u4e3a\u786e\u4fdd\u5e94\u7528\u7a0b\u5e8f\u7684\u5065\u58ee\u6027\u548c\u53ef\u9760\u6027\uff0c\u81f3\u5173\u91cd\u8981\u7684\u662f\u80fd\u591f\u6355\u6349\u548c\u5904\u7406\u8fd9\u4e9b\u5f02\u5e38\u3002<\/p>\n<p><strong>\u6355\u6349\u5f02\u5e38\u7684\u8bed\u6cd5<\/strong><\/p>\n<p>Oracle\u63d0\u4f9b\u4e86EXCEPTION\u5757\u6765\u6355\u6349\u5b58\u50a8\u8fc7\u7a0b\u4e2d\u7684\u5f02\u5e38\u3002\u5b83\u7684\u8bed\u6cd5\u5982\u4e0b\uff1a<\/p>\n<pre>BEGIN\n  -- \u4ee3\u7801\u5757\nEXCEPTION\n  WHEN EXCEPTION_NAME THEN\n    -- \u5f02\u5e38\u5904\u7406\u4ee3\u7801\n  WHEN OTHERS THEN\n    -- \u5176\u4ed6\u5f02\u5e38\u5904\u7406\u4ee3\u7801\nEND;<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u4f7f\u7528\u5f02\u5e38\u5904\u7406\u5757<\/strong><\/p>\n<p>\u6309\u7167\u4ee5\u4e0b\u6b65\u9aa4\u4f7f\u7528\u5f02\u5e38\u5904\u7406\u5757\u6765\u6355\u6349\u5b58\u50a8\u8fc7\u7a0b\u4e2d\u7684\u5f02\u5e38\uff1a<\/p>\n<ol>\n<li> <strong>\u4f7f\u7528EXCEPTION\u5757\u6307\u5b9a\u8981\u6355\u6349\u7684\u5f02\u5e38\uff1a<\/strong>\u4f8b\u5982\uff0cWHEN NO_DATA_FOUND THEN\u3002<\/li>\n<li> <strong>\u63d0\u4f9b\u8981\u6267\u884c\u7684\u5904\u7406\u4ee3\u7801\uff1a<\/strong>\u4f8b\u5982\uff0c\u663e\u793a\u9519\u8bef\u6d88\u606f\u6216\u56de\u6eda\u4e8b\u52a1\u3002<\/li>\n<li> <strong>\u4f7f\u7528WHEN OTHERS\u5b50\u53e5\u5904\u7406\u6240\u6709\u5176\u4ed6\u672a\u6307\u5b9a\u7684\u5f02\u5e38\uff1a<\/strong>\u8fd9\u662f\u4e00\u79cd\u6355\u83b7\u672a\u9884\u6599\u5230\u5f02\u5e38\u7684\u901a\u7528\u65b9\u6cd5\u3002<\/li>\n<\/ol>\n<p><strong>\u793a\u4f8b<\/strong><\/p>\n<p>\u8003\u8651\u4ee5\u4e0b\u5b58\u50a8\u8fc7\u7a0b\uff0c\u5b83\u83b7\u53d6\u90e8\u95e8\u8868\u4e2d\u7684\u90e8\u95e8\u540d\u79f0\uff1a<\/p>\n<pre>CREATE PROCEDURE GetDepartmentName\n(\n  IN department_id NUMBER\n)\nAS\nBEGIN\n  SELECT department_name\n  FROM departments\n  WHERE department_id = department_id;\nEXCEPTION\n  WHEN NO_DATA_FOUND THEN\n    DBMS_OUTPUT.PUT_LINE('No data found for specified department ID.');\n  WHEN OTHERS THEN\n    DBMS_OUTPUT.PUT_LINE('Error occurred while fetching department name.');\nEND;<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u5728\u8fd9\u4e2a\u793a\u4f8b\u4e2d\uff0cWHEN NO_DATA_FOUND\u5b50\u53e5\u7528\u4e8e\u6355\u83b7NO_DATA_FOUND\u5f02\u5e38\uff0c\u800cWHEN OTHERS\u5b50\u53e5\u7528\u4e8e\u6355\u83b7\u6240\u6709\u5176\u4ed6\u672a\u9884\u6599\u5230\u7684\u5f02\u5e38\u3002<\/p>\n<p>\u4ee5\u4e0a\u5c31\u662f\u5b58\u50a8\u8fc7\u7a0b\u5f02\u5e38\u600e\u4e48\u6355\u6349\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8\u7c73\u4e91\u7f51\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>oracle\u5b58\u50a8\u8fc7\u7a0b\u63d0\u4f9b\u4e86exception\u5757\u7528\u4e8e\u6355\u6349\u5f02\u5e38\uff0c\u6b65\u9aa4\u5982\u4e0b\uff1a\u4f7f\u7528exception\u5757\u6307\u5b9a\u5f02\u5e38\u7c7b\u578b\uff1awhen exception_name then\u63d0\u4f9b\u5904\u7406\u4ee3\u7801\uff1a\u6267\u884c\u5f02\u5e38\u5904\u7406\u64cd\u4f5c\u4f7f\u7528when others\u5b50\u53e5\u5904\u7406\u672a\u6307\u5b9a\u7684\u5f02\u5e38\uff1a\u63d0\u4f9b\u901a\u7528\u5904\u7406\u673a\u5236 Oracle\u5b58\u50a8\u8fc7\u7a0b\u5f02\u5e38\u6355\u6349 Oracle\u5b58\u50a8\u8fc7\u7a0b\u63d0\u4f9b\u4e86\u4e00\u79cd\u65b9\u4fbf\u7684\u65b9\u6cd5\u6765\u7ec4\u7ec7\u548c\u91cd\u7528SQL\u4ee3\u7801\u3002\u7136\u800c\uff0c\u5728\u6267\u884c\u8fc7\u7a0b\u4e2d\u53ef\u80fd\u53d1\u751f\u9519\u8bef\u6216\u5f02\u5e38\u3002\u4e3a\u786e\u4fdd\u5e94\u7528\u7a0b\u5e8f\u7684\u5065\u58ee\u6027\u548c\u53ef\u9760\u6027\uff0c\u81f3\u5173\u91cd\u8981\u7684\u662f\u80fd\u591f\u6355\u6349\u548c\u5904\u7406\u8fd9\u4e9b\u5f02\u5e38\u3002 \u6355\u6349\u5f02\u5e38\u7684\u8bed\u6cd5 Oracle\u63d0\u4f9b\u4e86EXCEPTION\u5757\u6765\u6355\u6349\u5b58\u50a8\u8fc7\u7a0b\u4e2d\u7684\u5f02\u5e38\u3002\u5b83\u7684\u8bed\u6cd5\u5982\u4e0b\uff1a BEGIN &#8212; \u4ee3\u7801\u5757 EXCEPTION WHEN EXCEPTION_NAME THEN &#8212; \u5f02\u5e38\u5904\u7406\u4ee3\u7801 WHEN OTHERS THEN &#8212; \u5176\u4ed6\u5f02\u5e38\u5904\u7406\u4ee3\u7801 END; \u767b\u5f55\u540e\u590d\u5236 \u4f7f\u7528\u5f02\u5e38\u5904\u7406\u5757 \u6309\u7167\u4ee5\u4e0b\u6b65\u9aa4\u4f7f\u7528\u5f02\u5e38\u5904\u7406\u5757\u6765\u6355\u6349\u5b58\u50a8\u8fc7\u7a0b\u4e2d\u7684\u5f02\u5e38\uff1a \u4f7f\u7528EXCEPTION\u5757\u6307\u5b9a\u8981\u6355\u6349\u7684\u5f02\u5e38\uff1a\u4f8b\u5982\uff0cWHEN NO_DATA_FOUND THEN\u3002 \u63d0\u4f9b\u8981\u6267\u884c\u7684\u5904\u7406\u4ee3\u7801\uff1a\u4f8b\u5982\uff0c\u663e\u793a\u9519\u8bef\u6d88\u606f\u6216\u56de\u6eda\u4e8b\u52a1\u3002 \u4f7f\u7528WHEN OTHERS\u5b50\u53e5\u5904\u7406\u6240\u6709\u5176\u4ed6\u672a\u6307\u5b9a\u7684\u5f02\u5e38\uff1a\u8fd9\u662f\u4e00\u79cd\u6355\u83b7\u672a\u9884\u6599\u5230\u5f02\u5e38\u7684\u901a\u7528\u65b9\u6cd5\u3002 \u793a\u4f8b \u8003\u8651\u4ee5\u4e0b\u5b58\u50a8\u8fc7\u7a0b\uff0c\u5b83\u83b7\u53d6\u90e8\u95e8\u8868\u4e2d\u7684\u90e8\u95e8\u540d\u79f0\uff1a CREATE PROCEDURE GetDepartmentName ( IN department_id NUMBER ) AS BEGIN SELECT department_name FROM departments WHERE department_id = department_id; EXCEPTION WHEN NO_DATA_FOUND [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[16],"tags":[],"class_list":["post-5597","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/5597","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/comments?post=5597"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/5597\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=5597"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=5597"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=5597"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}