{"id":199792,"date":"2025-05-06T08:06:31","date_gmt":"2025-05-06T00:06:31","guid":{"rendered":"https:\/\/server.hk\/cnblog\/199792\/"},"modified":"2025-05-06T08:06:31","modified_gmt":"2025-05-06T00:06:31","slug":"%e6%b7%b1%e5%ba%a6%e8%a7%a3%e6%9e%90oracle%e5%87%bd%e6%95%b0%e7%9a%84%e5%ae%9a%e4%b9%89%e5%92%8c%e5%ba%94%e7%94%a8","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/199792\/","title":{"rendered":"\u6df1\u5ea6\u89e3\u6790Oracle\u51fd\u6570\u7684\u5b9a\u4e49\u548c\u5e94\u7528"},"content":{"rendered":"

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

\u6df1\u5ea6\u89e3\u6790Oracle\u51fd\u6570\u7684\u5b9a\u4e49\u548c\u5e94\u7528<\/h1>\n

\u7f16\u7a0b\u5e76\u4e0d\u662f\u4e00\u4e2a\u673a\u68b0\u6027\u7684\u5de5\u4f5c\uff0c\u800c\u662f\u9700\u8981\u6709\u601d\u8003\uff0c\u6709\u521b\u65b0\u7684\u5de5\u4f5c\uff0c\u8bed\u6cd5\u662f\u56fa\u5b9a\u7684\uff0c\u4f46\u89e3\u51b3\u95ee\u9898\u7684\u601d\u8def\u5219\u662f\u4f9d\u9760\u4eba\u7684\u601d\u7ef4\uff0c\u8fd9\u5c31\u9700\u8981\u6211\u4eec\u575a\u6301\u5b66\u4e60\u548c\u66f4\u65b0\u81ea\u5df1\u7684\u77e5\u8bc6\u3002\u4eca\u5929\u4e3b\u673a\u5b9d\u8d1d\u5c31\u6574\u7406\u5206\u4eab\u300a\u6df1\u5ea6\u89e3\u6790Oracle\u51fd\u6570\u7684\u5b9a\u4e49\u548c\u5e94\u7528\u300b\uff0c\u6587\u7ae0\u8bb2\u89e3\u7684\u77e5\u8bc6\u70b9\u4e3b\u8981\u5305\u62ec\uff0c\u5982\u679c\u4f60\u5bf9\u6570\u636e\u5e93\u65b9\u9762\u7684\u77e5\u8bc6\u70b9\u611f\u5174\u8da3\uff0c\u5c31\u4e0d\u8981\u9519\u8fc7\u4e3b\u673a\u5b9d\u8d1d\uff0c\u5728\u8fd9\u53ef\u4ee5\u5bf9\u5927\u5bb6\u7684\u77e5\u8bc6\u79ef\u7d2f\u6709\u6240\u5e2e\u52a9\uff0c\u52a9\u529b\u5f00\u53d1\u80fd\u529b\u7684\u63d0\u5347\u3002<\/p>\n

Oracle\u51fd\u6570\u662f\u6570\u636e\u5e93\u4e2d\u4e00\u79cd\u975e\u5e38\u91cd\u8981\u7684\u5bf9\u8c61\uff0c\u5b83\u53ef\u4ee5\u63a5\u6536\u8f93\u5165\u53c2\u6570\u5e76\u8fd4\u56de\u4e00\u4e2a\u503c\u3002\u5728Oracle\u4e2d\uff0c\u51fd\u6570\u901a\u5e38\u7528\u4e8e\u5c01\u88c5\u4e00\u4e9b\u516c\u5171\u7684\u903b\u8f91\u6216\u8ba1\u7b97\u64cd\u4f5c\uff0c\u4ee5\u4fbf\u5728\u4e0d\u540c\u7684\u5730\u65b9\u91cd\u590d\u4f7f\u7528\u3002\u672c\u6587\u5c06\u6df1\u5ea6\u89e3\u6790Oracle\u51fd\u6570\u7684\u5b9a\u4e49\u548c\u7528\u9014\uff0c\u5e76\u63d0\u4f9b\u5177\u4f53\u7684\u4ee3\u7801\u793a\u4f8b\u3002<\/p>\n

1. Oracle\u51fd\u6570\u7684\u5b9a\u4e49<\/h3>\n

\u5728Oracle\u6570\u636e\u5e93\u4e2d\uff0c\u51fd\u6570\u662f\u4e00\u79cd\u5b58\u50a8\u8fc7\u7a0b\u7684\u7279\u6b8a\u5f62\u5f0f\uff0c\u5b83\u7528\u4e8e\u6267\u884c\u7279\u5b9a\u7684\u8ba1\u7b97\u3001\u903b\u8f91\u6216\u5176\u4ed6\u64cd\u4f5c\uff0c\u5e76\u8fd4\u56de\u4e00\u4e2a\u7ed3\u679c\u3002\u51fd\u6570\u53ef\u4ee5\u6709\u8f93\u5165\u53c2\u6570\u548c\u8fd4\u56de\u503c\uff0c\u53ef\u4ee5\u5728SQL\u8bed\u53e5\u4e2d\u76f4\u63a5\u8c03\u7528\uff0c\u4e5f\u53ef\u4ee5\u4f5c\u4e3a\u53e6\u4e00\u4e2a\u51fd\u6570\u6216\u5b58\u50a8\u8fc7\u7a0b\u7684\u4e00\u90e8\u5206\u4f7f\u7528\u3002<\/p>\n

\u4e0b\u9762\u662f\u4e00\u4e2a\u7b80\u5355\u7684Oracle\u51fd\u6570\u7684\u5b9a\u4e49\u793a\u4f8b\uff1a<\/p>\n

CREATE OR REPLACE FUNCTION calculate_salary (emp_id IN NUMBER) \nRETURN NUMBER IS\nsalary NUMBER;\nBEGIN\n-- \u6839\u636e\u5458\u5de5ID\u67e5\u8be2\u85aa\u6c34\u5e76\u8ba1\u7b97\nSELECT salary INTO salary\nFROM employees\nWHERE employee_id = emp_id;\nRETURN salary * 1.1; -- \u8fd4\u56de\u6da8\u85aa\u540e\u7684\u85aa\u6c34\nEND;<\/pre>\n
\u5728\u4e0a\u9762\u7684\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u521b\u5efa\u4e86\u4e00\u4e2a\u540d\u4e3acalculate_salary<\/code>\u7684\u51fd\u6570\uff0c\u5b83\u63a5\u6536\u4e00\u4e2a\u5458\u5de5ID\u4f5c\u4e3a\u8f93\u5165\u53c2\u6570\uff0c\u5e76\u8fd4\u56de\u4e00\u4e2a\u7ecf\u8fc7\u6da8\u85aa\u64cd\u4f5c\u540e\u7684\u85aa\u6c34\u503c\u3002\u51fd\u6570\u4e2d\u4f7f\u7528\u4e86SELECT<\/code>\u8bed\u53e5\u67e5\u8be2\u5458\u5de5\u7684\u85aa\u6c34\uff0c\u5e76\u901a\u8fc7RETURN<\/code>\u8bed\u53e5\u8fd4\u56de\u8ba1\u7b97\u540e\u7684\u85aa\u6c34\u503c\u3002<\/p>\n
2. Oracle\u51fd\u6570\u7684\u7528\u9014<\/h3>\n
Oracle\u51fd\u6570\u5177\u6709\u5e7f\u6cdb\u7684\u5e94\u7528\u573a\u666f\uff0c\u4e3b\u8981\u5305\u62ec\u4ee5\u4e0b\u51e0\u4e2a\u65b9\u9762\uff1a<\/p>\n
    \n
  • \u6570\u636e\u5904\u7406\u4e0e\u8ba1\u7b97<\/strong>\uff1a\u51fd\u6570\u53ef\u4ee5\u7528\u4e8e\u6267\u884c\u590d\u6742\u7684\u6570\u636e\u5904\u7406\u548c\u8ba1\u7b97\u64cd\u4f5c\uff0c\u4f8b\u5982\u7edf\u8ba1\u3001\u805a\u5408\u3001\u8ba1\u7b97\u7b49\u3002<\/li>\n
  • \u903b\u8f91\u5c01\u88c5<\/strong>\uff1a\u51fd\u6570\u53ef\u4ee5\u5c06\u4e00\u7cfb\u5217\u64cd\u4f5c\u5c01\u88c5\u8d77\u6765\uff0c\u5f62\u6210\u4e00\u4e2a\u72ec\u7acb\u7684\u903b\u8f91\u5355\u5143\uff0c\u65b9\u4fbf\u5728\u591a\u5904\u91cd\u590d\u4f7f\u7528\u3002<\/li>\n
  • \u589e\u5f3aSQL\u80fd\u529b<\/strong>\uff1a\u53ef\u4ee5\u5728SQL\u8bed\u53e5\u4e2d\u76f4\u63a5\u8c03\u7528\u51fd\u6570\uff0c\u5b9e\u73b0\u66f4\u52a0\u7075\u6d3b\u548c\u9ad8\u6548\u7684\u67e5\u8be2\u64cd\u4f5c\u3002<\/li>\n
  • \u63d0\u9ad8\u6570\u636e\u5e93\u6027\u80fd<\/strong>\uff1a\u901a\u8fc7\u51fd\u6570\u7684\u4f18\u5316\uff0c\u53ef\u4ee5\u63d0\u9ad8\u6570\u636e\u5e93\u67e5\u8be2\u6027\u80fd\uff0c\u51cf\u5c11\u91cd\u590d\u8ba1\u7b97\uff0c\u63d0\u9ad8\u4ee3\u7801\u590d\u7528\u6027\u3002<\/li>\n<\/ul>\n
    3. Oracle\u51fd\u6570\u7684\u5177\u4f53\u793a\u4f8b<\/h3>\n
    \u63a5\u4e0b\u6765\uff0c\u6211\u4eec\u5c06\u901a\u8fc7\u4e00\u4e2a\u5177\u4f53\u7684\u793a\u4f8b\u6765\u6f14\u793a\u5982\u4f55\u4f7f\u7528Oracle\u51fd\u6570\u5b9e\u73b0\u4e00\u4e2a\u7b80\u5355\u7684\u529f\u80fd\u3002\u5047\u8bbe\u6211\u4eec\u6709\u4e00\u4e2a\u8868products<\/code>\uff0c\u5305\u542b\u4ea7\u54c1\u7684\u540d\u79f0\u548c\u4ef7\u683c\u4fe1\u606f\uff0c\u6211\u4eec\u9700\u8981\u7f16\u5199\u4e00\u4e2a\u51fd\u6570\u6765\u8ba1\u7b97\u591a\u4e2a\u4ea7\u54c1\u4ef7\u683c\u7684\u603b\u548c\u3002<\/p>\n
    \u9996\u5148\uff0c\u521b\u5efa\u4e00\u4e2a\u793a\u4f8b\u8868products<\/code>\uff1a<\/p>\n
    CREATE TABLE products (\n    product_id NUMBER PRIMARY KEY,\n    product_name VARCHAR2(50),\n    price NUMBER\n);\n\nINSERT INTO products VALUES (1, 'Product A', 100);\nINSERT INTO products VALUES (2, 'Product B', 150);<\/pre>\n
    \u63a5\u4e0b\u6765\uff0c\u521b\u5efa\u4e00\u4e2a\u8ba1\u7b97\u4ea7\u54c1\u4ef7\u683c\u603b\u548c\u7684\u51fd\u6570\uff1a<\/p>\n
    CREATE OR REPLACE FUNCTION calculate_total_price RETURN NUMBER IS\ntotal_price NUMBER := 0;\nBEGIN\n-- \u8ba1\u7b97\u4ea7\u54c1\u4ef7\u683c\u603b\u548c\nSELECT SUM(price) INTO total_price\nFROM products;\nRETURN total_price;\nEND;<\/pre>\n
    \u6700\u540e\uff0c\u6d4b\u8bd5\u51fd\u6570\u7684\u8c03\u7528\u5e76\u8f93\u51fa\u7ed3\u679c\uff1a<\/p>\n
    DECLARE\ntotal NUMBER;\nBEGIN\ntotal := calculate_total_price();\nDBMS_OUTPUT.PUT_LINE('Total price of all products: ' || total);\nEND;<\/pre>\n
    \u901a\u8fc7\u4ee5\u4e0a\u793a\u4f8b\uff0c\u6211\u4eec\u5c55\u793a\u4e86\u5982\u4f55\u5b9a\u4e49\u4e00\u4e2a\u7b80\u5355\u7684Oracle\u51fd\u6570\uff0c\u5e76\u5728SQL\u8bed\u53e5\u4e2d\u8c03\u7528\u5b83\u6765\u5b9e\u73b0\u7279\u5b9a\u7684\u529f\u80fd\u3002Oracle\u51fd\u6570\u7684\u5b9a\u4e49\u548c\u7528\u9014\u5341\u5206\u7075\u6d3b\uff0c\u53ef\u4ee5\u6839\u636e\u5b9e\u9645\u9700\u6c42\u8fdb\u884c\u5b9a\u5236\u548c\u4f18\u5316\uff0c\u63d0\u9ad8\u6570\u636e\u5e93\u7684\u6548\u7387\u548c\u7075\u6d3b\u6027\u3002<\/p>\n
    \u603b\u4e4b\uff0cOracle\u51fd\u6570\u662f\u6570\u636e\u5e93\u4e2d\u975e\u5e38\u6709\u7528\u7684\u5de5\u5177\uff0c\u5b83\u53ef\u4ee5\u5e2e\u52a9\u6211\u4eec\u5b9e\u73b0\u590d\u6742\u7684\u6570\u636e\u5904\u7406\u548c\u8ba1\u7b97\u64cd\u4f5c\uff0c\u63d0\u9ad8\u4ee3\u7801\u590d\u7528\u6027\u548c\u6570\u636e\u5e93\u6027\u80fd\uff0c\u662f\u6570\u636e\u5e93\u5f00\u53d1\u4e2d\u4e0d\u53ef\u6216\u7f3a\u7684\u4e00\u90e8\u5206\u3002\u5e0c\u671b\u672c\u6587\u5bf9Oracle\u51fd\u6570\u7684\u7406\u89e3\u548c\u5e94\u7528\u6709\u6240\u5e2e\u52a9\uff01<\/p>\n
    \u4eca\u5929\u5e26\u5927\u5bb6\u4e86\u89e3\u4e86\u7684\u76f8\u5173\u77e5\u8bc6\uff0c\u5e0c\u671b\u5bf9\u4f60\u6709\u6240\u5e2e\u52a9\uff1b\u5173\u4e8e\u6570\u636e\u5e93\u7684\u6280\u672f\u77e5\u8bc6\u6211\u4eec\u4f1a\u4e00\u70b9\u70b9\u6df1\u5165\u4ecb\u7ecd\uff0c\u6b22\u8fce\u5927\u5bb6\u5173\u6ce8\u4e3b\u673a\u5b9d\u8d1d\u516c\u4f17\u53f7\uff0c\u4e00\u8d77\u5b66\u4e60\u7f16\u7a0b~<\/p>\n
    \n
    \n <\/dt>\n<\/dl>\n","protected":false},"excerpt":{"rendered":"
    \u6df1\u5ea6\u89e3\u6790Oracle\u51fd\u6570\u7684\u5b9a\u4e49\u548c...<\/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-199792","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/199792","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=199792"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/199792\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=199792"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=199792"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=199792"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}