{"id":199816,"date":"2025-05-06T08:12:08","date_gmt":"2025-05-06T00:12:08","guid":{"rendered":"https:\/\/server.hk\/cnblog\/199816\/"},"modified":"2025-05-06T08:12:08","modified_gmt":"2025-05-06T00:12:08","slug":"oracle%e5%ad%98%e5%82%a8%e8%bf%87%e7%a8%8b%e4%b8%8e%e5%87%bd%e6%95%b0%e7%9a%84%e6%af%94%e8%be%83%e5%88%9d%e6%8e%a2","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/199816\/","title":{"rendered":"Oracle\u5b58\u50a8\u8fc7\u7a0b\u4e0e\u51fd\u6570\u7684\u6bd4\u8f83\u521d\u63a2"},"content":{"rendered":"

<\/b> <\/p>\n

Oracle\u5b58\u50a8\u8fc7\u7a0b\u4e0e\u51fd\u6570\u7684\u6bd4\u8f83\u521d\u63a2<\/h1>\n

\u5c0f\u4f19\u4f34\u4eec\u6709\u6ca1\u6709\u89c9\u5f97\u5b66\u4e60\u5f88\u6709\u610f\u601d\uff1f\u6709\u610f\u601d\u5c31\u5bf9\u4e86\uff01\u4eca\u5929\u5c31\u7ed9\u5927\u5bb6\u5e26\u6765\uff0c\u4ee5\u4e0b\u5185\u5bb9\u5c06\u4f1a\u6d89\u53ca\u5230\uff0c\u82e5\u662f\u5728\u5b66\u4e60\u4e2d\u5bf9\u5176\u4e2d\u90e8\u5206\u77e5\u8bc6\u70b9\u6709\u7591\u95ee\uff0c\u6216\u8bb8\u770b\u4e86\u672c\u6587\u5c31\u80fd\u5e2e\u5230\u4f60\uff01<\/p>\n

\u521d\u63a2Oracle\u5b58\u50a8\u8fc7\u7a0b\u548c\u51fd\u6570\u7684\u4e0d\u540c\u4e4b\u5904<\/p>\n

\u5728Oracle\u6570\u636e\u5e93\u4e2d\uff0c\u5b58\u50a8\u8fc7\u7a0b\uff08Stored Procedure\uff09\u548c\u51fd\u6570\uff08Function\uff09\u662f\u6570\u636e\u5e93\u4e2d\u5e38\u89c1\u7684\u4e24\u79cd\u53ef\u91cd\u590d\u5229\u7528\u7684\u4ee3\u7801\u5757\u3002\u867d\u7136\u5b83\u4eec\u90fd\u53ef\u4ee5\u5c01\u88c5\u4e00\u7ec4SQL\u8bed\u53e5\uff0c\u4f46\u5728\u4f7f\u7528\u548c\u529f\u80fd\u4e0a\u6709\u4e00\u4e9b\u660e\u663e\u7684\u533a\u522b\u3002\u672c\u6587\u5c06\u5bf9Oracle\u5b58\u50a8\u8fc7\u7a0b\u548c\u51fd\u6570\u8fdb\u884c\u521d\u6b65\u63a2\u7a76\uff0c\u5e76\u901a\u8fc7\u5177\u4f53\u7684\u4ee3\u7801\u793a\u4f8b\u6765\u8bf4\u660e\u5b83\u4eec\u4e4b\u95f4\u7684\u4e0d\u540c\u4e4b\u5904\u3002<\/p>\n

\u4e00\u3001\u5b58\u50a8\u8fc7\u7a0b\u7684\u5b9a\u4e49\u548c\u7279\u70b9
\u5b58\u50a8\u8fc7\u7a0b\u662f\u4e00\u79cd\u5e38\u89c1\u7684PL\/SQL\u7a0b\u5e8f\u5355\u5143\uff0c\u53ef\u4ee5\u63a5\u53d7\u53c2\u6570\u3001\u6267\u884cSQL\u8bed\u53e5\u5e76\u8fd4\u56de\u7ed3\u679c\u3002\u5b58\u50a8\u8fc7\u7a0b\u901a\u5e38\u4e0d\u8fd4\u56de\u6570\u503c\uff0c\u800c\u662f\u901a\u8fc7OUT\u53c2\u6570\u6216\u8005\u5728\u8fc7\u7a0b\u4f53\u5185\u8fdb\u884c\u6570\u636e\u66f4\u65b0\u6765\u5f71\u54cd\u6570\u636e\u5e93\u4e2d\u7684\u6570\u636e\u3002\u5b58\u50a8\u8fc7\u7a0b\u53ef\u4ee5\u5305\u542b\u63a7\u5236\u7ed3\u6784\u3001\u6761\u4ef6\u8bed\u53e5\u3001\u5faa\u73af\u7b49\uff0c\u4f7f\u5176\u66f4\u52a0\u7075\u6d3b\u548c\u529f\u80fd\u5f3a\u5927\u3002<\/p>\n

\u4e0b\u9762\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u5b58\u50a8\u8fc7\u7a0b\u793a\u4f8b\uff0c\u7528\u4e8e\u6839\u636e\u5458\u5de5ID\u67e5\u8be2\u5458\u5de5\u59d3\u540d\uff1a<\/p>\n

CREATE OR REPLACE PROCEDURE get_employee_name (emp_id IN NUMBER, emp_name OUT VARCHAR2)\nIS\nBEGIN\n    SELECT employee_name INTO emp_name FROM employees WHERE employee_id = emp_id;\nEND;\n\/<\/pre>\n
\u5728\u4e0a\u9762\u7684\u793a\u4f8b\u4e2d\uff0c\u521b\u5efa\u4e86\u4e00\u4e2a\u540d\u4e3aget_employee_name\u7684\u5b58\u50a8\u8fc7\u7a0b\uff0c\u8be5\u5b58\u50a8\u8fc7\u7a0b\u63a5\u53d7\u4e00\u4e2a\u5458\u5de5ID\u4f5c\u4e3a\u8f93\u5165\u53c2\u6570\uff0c\u7136\u540e\u901a\u8fc7\u67e5\u8be2\u83b7\u53d6\u5458\u5de5\u59d3\u540d\u5e76\u5c06\u7ed3\u679c\u8d4b\u503c\u7ed9emp_name\u53c2\u6570\u3002<\/p>\n
\u4e8c\u3001\u51fd\u6570\u7684\u5b9a\u4e49\u548c\u7279\u70b9
\u51fd\u6570\u662f\u53e6\u4e00\u79cd\u5e38\u89c1\u7684PL\/SQL\u7a0b\u5e8f\u5355\u5143\uff0c\u4e0e\u5b58\u50a8\u8fc7\u7a0b\u7c7b\u4f3c\uff0c\u4f46\u51fd\u6570\u4e00\u822c\u4f1a\u8fd4\u56de\u4e00\u4e2a\u6570\u503c\u7ed3\u679c\u3002\u51fd\u6570\u53ef\u4ee5\u901a\u8fc7RETURN\u8bed\u53e5\u8fd4\u56de\u7ed3\u679c\uff0c\u53ef\u4ee5\u5d4c\u5957\u5728\u5176\u4ed6SQL\u8bed\u53e5\u4e2d\u4f7f\u7528\uff0c\u4ece\u800c\u53ef\u4ee5\u5728SELECT\u8bed\u53e5\u4e2d\u8c03\u7528\u51fd\u6570\u6765\u83b7\u53d6\u8ba1\u7b97\u7ed3\u679c\u3002<\/p>\n
\u4e0b\u9762\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u51fd\u6570\u793a\u4f8b\uff0c\u7528\u4e8e\u8ba1\u7b97\u4e24\u4e2a\u6570\u7684\u548c\uff1a<\/p>\n
CREATE OR REPLACE FUNCTION add_numbers (num1 IN NUMBER, num2 IN NUMBER) RETURN NUMBER\nIS\n    total NUMBER;\nBEGIN\n    total := num1 + num2;\n    RETURN total;\nEND;\n\/<\/pre>\n
\u5728\u4e0a\u9762\u7684\u793a\u4f8b\u4e2d\uff0c\u521b\u5efa\u4e86\u4e00\u4e2a\u540d\u4e3aadd_numbers\u7684\u51fd\u6570\uff0c\u8be5\u51fd\u6570\u63a5\u53d7\u4e24\u4e2a\u6570\u503c\u53c2\u6570\uff0c\u5e76\u8fd4\u56de\u8fd9\u4e24\u4e2a\u6570\u7684\u548c\u3002<\/p>\n
\u4e09\u3001\u5b58\u50a8\u8fc7\u7a0b\u548c\u51fd\u6570\u7684\u533a\u522b<\/p>\n
    \n
  1. \u8fd4\u56de\u503c\uff1a\u5b58\u50a8\u8fc7\u7a0b\u901a\u5e38\u4e0d\u8fd4\u56de\u6570\u503c\uff0c\u800c\u662f\u901a\u8fc7OUT\u53c2\u6570\u6216\u6570\u636e\u66f4\u65b0\u6765\u5f71\u54cd\u6570\u636e\u5e93\u4e2d\u7684\u6570\u636e\uff1b\u51fd\u6570\u4e00\u822c\u4f1a\u8fd4\u56de\u4e00\u4e2a\u6570\u503c\u7ed3\u679c\u3002<\/li>\n
  2. \u8c03\u7528\u65b9\u5f0f\uff1a\u5b58\u50a8\u8fc7\u7a0b\u4e00\u822c\u901a\u8fc7CALL\u8bed\u53e5\u6216PL\/SQL\u5757\u6765\u8c03\u7528\uff1b\u51fd\u6570\u53ef\u4ee5\u5d4c\u5957\u5728SQL\u8bed\u53e5\u4e2d\u4f7f\u7528\u3002<\/li>\n
  3. \u4f7f\u7528\u573a\u666f\uff1a\u5b58\u50a8\u8fc7\u7a0b\u9002\u7528\u4e8e\u66f4\u65b0\u3001\u5220\u9664\u7b49\u9700\u8981\u5bf9\u6570\u636e\u5e93\u8fdb\u884c\u4fee\u6539\u7684\u64cd\u4f5c\uff1b\u51fd\u6570\u9002\u7528\u4e8e\u8ba1\u7b97\u3001\u67e5\u8be2\u7b49\u9700\u8981\u8fd4\u56de\u6570\u503c\u7ed3\u679c\u7684\u64cd\u4f5c\u3002<\/li>\n<\/ol>\n
    \u603b\u7ed3\uff1a
    \u5b58\u50a8\u8fc7\u7a0b\u548c\u51fd\u6570\u867d\u7136\u90fd\u662fPL\/SQL\u7a0b\u5e8f\u5355\u5143\uff0c\u4f46\u5728\u4f7f\u7528\u548c\u529f\u80fd\u4e0a\u6709\u4e00\u4e9b\u660e\u663e\u7684\u533a\u522b\u3002\u5b58\u50a8\u8fc7\u7a0b\u7528\u4e8e\u5c01\u88c5\u4e00\u7ec4SQL\u8bed\u53e5\u6765\u5b9e\u73b0\u5177\u4f53\u7684\u4e1a\u52a1\u903b\u8f91\uff0c\u53ef\u4ee5\u4fee\u6539\u6570\u636e\u5e93\u4e2d\u7684\u6570\u636e\uff1b\u51fd\u6570\u901a\u5e38\u7528\u4e8e\u5b9e\u73b0\u4e00\u4e9b\u8ba1\u7b97\u903b\u8f91\uff0c\u8fd4\u56de\u4e00\u4e2a\u6570\u503c\u7ed3\u679c\u3002\u5408\u7406\u5730\u4f7f\u7528\u5b58\u50a8\u8fc7\u7a0b\u548c\u51fd\u6570\u53ef\u4ee5\u63d0\u9ad8\u4ee3\u7801\u7684\u91cd\u7528\u6027\u548c\u53ef\u7ef4\u62a4\u6027\uff0c\u8ba9\u6570\u636e\u5e93\u64cd\u4f5c\u66f4\u52a0\u9ad8\u6548\u548c\u7075\u6d3b\u3002<\/p>\n
    \u4ee5\u4e0a\u4fbf\u662f\u521d\u63a2Oracle\u5b58\u50a8\u8fc7\u7a0b\u548c\u51fd\u6570\u7684\u4e0d\u540c\u4e4b\u5904\uff0c\u5e0c\u671b\u901a\u8fc7\u672c\u6587\u7684\u4ecb\u7ecd\u548c\u5177\u4f53\u7684\u4ee3\u7801\u793a\u4f8b\u80fd\u591f\u5e2e\u52a9\u8bfb\u8005\u66f4\u597d\u5730\u7406\u89e3\u548c\u5229\u7528\u5b58\u50a8\u8fc7\u7a0b\u548c\u51fd\u6570\u5728Oracle\u6570\u636e\u5e93\u4e2d\u7684\u5e94\u7528\u3002<\/p>\n
    \u672c\u7bc7\u5173\u4e8e\u300aOracle\u5b58\u50a8\u8fc7\u7a0b\u4e0e\u51fd\u6570\u7684\u6bd4\u8f83\u521d\u63a2\u300b\u7684\u4ecb\u7ecd\u5c31\u5230\u6b64\u7ed3\u675f\u5566\uff0c\u4f46\u662f\u5b66\u65e0\u6b62\u5883\uff0c\u60f3\u8981\u4e86\u89e3\u5b66\u4e60\u66f4\u591a\u5173\u4e8e\u6570\u636e\u5e93\u7684\u76f8\u5173\u77e5\u8bc6\uff0c\u8bf7\u5173\u6ce8\u4e3b\u673a\u5b9d\u8d1d\u516c\u4f17\u53f7\uff01<\/p>\n
    \n
    \n <\/dt>\n<\/dl>\n","protected":false},"excerpt":{"rendered":"
    Oracle\u5b58\u50a8\u8fc7\u7a0b\u4e0e\u51fd\u6570\u7684\u6bd4\u8f83...<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-199816","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/199816","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"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=199816"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/199816\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=199816"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=199816"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=199816"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}