{"id":200074,"date":"2025-05-06T08:57:59","date_gmt":"2025-05-06T00:57:59","guid":{"rendered":"https:\/\/server.hk\/cnblog\/200074\/"},"modified":"2025-05-06T08:57:59","modified_gmt":"2025-05-06T00:57:59","slug":"mysql%e4%b8%8epl-sql%e7%9a%84%e6%af%94%e8%be%83%e5%af%b9%e6%af%94","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/200074\/","title":{"rendered":"MySQL\u4e0ePL\/SQL\u7684\u6bd4\u8f83\u5bf9\u6bd4"},"content":{"rendered":"

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

MySQL\u4e0ePL\/SQL\u7684\u6bd4\u8f83\u5bf9\u6bd4<\/h1>\n

MySQL \u548c PL\/SQL \u662f\u4e24\u79cd\u622a\u7136\u4e0d\u540c\u7684\u6570\u636e\u5e93\u7ba1\u7406\u7cfb\u7edf\uff0c\u5206\u522b\u4ee3\u8868\u5173\u7cfb\u578b\u6570\u636e\u5e93\u548c\u8fc7\u7a0b\u5316\u8bed\u8a00\u7684\u7279\u6027\u3002MySQL \u91c7\u7528\u7ed3\u6784\u5316\u67e5\u8be2\u8bed\u8a00 (SQL) \u6765\u7ba1\u7406\u548c\u64cd\u4f5c\u6570\u636e\u5e93\uff0c\u800c PL\/SQL \u5219\u662f Oracle \u6570\u636e\u5e93\u7279\u6709\u7684\u8fc7\u7a0b\u5316\u8bed\u8a00\uff0c\u7528\u4e8e\u7f16\u5199\u5b58\u50a8\u8fc7\u7a0b\u3001\u89e6\u53d1\u5668\u548c\u51fd\u6570\u7b49\u6570\u636e\u5e93\u5bf9\u8c61\u3002\u5c3d\u7ba1\u4e24\u8005\u90fd\u652f\u6301\u57fa\u672c\u7684\u6570\u636e\u7c7b\u578b\u3001SQL \u8bed\u53e5\u548c\u4e8b\u52a1\u63a7\u5236\uff0c\u4f46 PL\/SQL \u4f5c\u4e3a\u8fc7\u7a0b\u5316\u8bed\u8a00\uff0c\u5177\u6709\u66f4\u4e30\u5bcc\u7684\u9519\u8bef\u5904\u7406\u673a\u5236\u548c\u9762\u5411\u5bf9\u8c61\u6982\u5ff5\uff0c\u800c MySQL \u5219\u66f4\u4e13\u6ce8\u4e8e\u5173\u7cfb\u578b\u6570\u636e\u5e93\u7684\u7279\u6027\u3002\u672c\u6587\u5c06\u901a\u8fc7\u5177\u4f53\u7684\u4ee3\u7801\u793a\u4f8b\uff0c\u6bd4\u8f83 MySQL \u548c PL\/SQL \u5728\u5b58\u50a8\u8fc7\u7a0b\u5b9a\u4e49\u548c\u8c03\u7528\u4e0a\u7684\u5f02\u540c\uff0c\u5e2e\u52a9\u5f00\u53d1\u4eba\u5458\u6839\u636e\u9879\u76ee\u9700\u6c42\u9009\u62e9\u5408\u9002\u7684\u6570\u636e\u5e93\u7ba1\u7406\u7cfb\u7edf\u3002<\/p>\n

MySQL\u4e0ePL\/SQL\u662f\u4e24\u79cd\u4e0d\u540c\u7684\u6570\u636e\u5e93\u7ba1\u7406\u7cfb\u7edf\uff0c\u5206\u522b\u4ee3\u8868\u4e86\u5173\u7cfb\u578b\u6570\u636e\u5e93\u548c\u8fc7\u7a0b\u5316\u8bed\u8a00\u7684\u7279\u70b9\u3002\u672c\u6587\u5c06\u6bd4\u8f83MySQL\u548cPL\/SQL\u7684\u5f02\u540c\u70b9\uff0c\u5e76\u9644\u5e26\u5177\u4f53\u7684\u4ee3\u7801\u793a\u4f8b\u8fdb\u884c\u8bf4\u660e\u3002<\/p>\n

MySQL\u662f\u4e00\u79cd\u6d41\u884c\u7684\u5173\u7cfb\u578b\u6570\u636e\u5e93\u7ba1\u7406\u7cfb\u7edf\uff0c\u91c7\u7528\u7ed3\u6784\u5316\u67e5\u8be2\u8bed\u8a00(SQL)\u6765\u7ba1\u7406\u548c\u64cd\u4f5c\u6570\u636e\u5e93\u3002\u800cPL\/SQL\u662fOracle\u6570\u636e\u5e93\u7279\u6709\u7684\u8fc7\u7a0b\u5316\u8bed\u8a00\uff0c\u7528\u4e8e\u7f16\u5199\u5b58\u50a8\u8fc7\u7a0b\u3001\u89e6\u53d1\u5668\u548c\u51fd\u6570\u7b49\u6570\u636e\u5e93\u5bf9\u8c61\u3002<\/p>\n

\u76f8\u540c\u70b9\uff1a<\/strong><\/p>\n

    \n
  1. \u6570\u636e\u7c7b\u578b\uff1aMySQL\u548cPL\/SQL\u90fd\u652f\u6301\u57fa\u672c\u7684\u6570\u636e\u7c7b\u578b\uff0c\u5982\u6574\u578b\u3001\u6d6e\u70b9\u578b\u3001\u5b57\u7b26\u578b\u7b49\u3002<\/li>\n
  2. SQL\u652f\u6301\uff1a\u4e24\u8005\u90fd\u53ef\u4ee5\u6267\u884cSQL\u8bed\u53e5\uff0c\u5305\u62ec\u67e5\u8be2\u3001\u63d2\u5165\u3001\u66f4\u65b0\u548c\u5220\u9664\u7b49\u64cd\u4f5c\u3002<\/li>\n
  3. \u4e8b\u52a1\u63a7\u5236\uff1aMySQL\u548cPL\/SQL\u90fd\u652f\u6301\u4e8b\u52a1\u63a7\u5236\uff0c\u5305\u62ec\u4e8b\u52a1\u7684\u5f00\u59cb\u3001\u63d0\u4ea4\u548c\u56de\u6eda\u7b49\u3002<\/li>\n
  4. \u5b58\u50a8\u8fc7\u7a0b\uff1aMySQL\u548cPL\/SQL\u90fd\u652f\u6301\u5b58\u50a8\u8fc7\u7a0b\uff0c\u53ef\u4ee5\u5c06\u4e00\u7cfb\u5217SQL\u8bed\u53e5\u5c01\u88c5\u5728\u4e00\u4e2a\u8fc7\u7a0b\u4e2d\uff0c\u4ee5\u4fbf\u91cd\u590d\u4f7f\u7528\u3002<\/li>\n<\/ol>\n

    \u4e0d\u540c\u70b9\uff1a<\/strong><\/p>\n

      \n
    1. PL\/SQL\u662f\u8fc7\u7a0b\u5316\u8bed\u8a00\uff0c\u652f\u6301\u6761\u4ef6\u5224\u65ad\u3001\u5faa\u73af\u7b49\u63a7\u5236\u8bed\u53e5\uff0c\u800cMySQL\u4e3b\u8981\u662f\u5173\u7cfb\u578b\u6570\u636e\u5e93\uff0c\u4e0d\u652f\u6301\u8fc7\u7a0b\u5316\u7f16\u7a0b\u3002<\/li>\n
    2. PL\/SQL\u5177\u6709\u66f4\u4e30\u5bcc\u7684\u9519\u8bef\u5904\u7406\u673a\u5236\uff0c\u53ef\u4ee5\u4f7f\u7528\u5f02\u5e38\u5904\u7406\u5757\u6355\u83b7\u548c\u5904\u7406\u5f02\u5e38\uff0c\u800cMySQL\u7684\u9519\u8bef\u5904\u7406\u76f8\u5bf9\u7b80\u5355\u3002<\/li>\n
    3. PL\/SQL\u652f\u6301\u9762\u5411\u5bf9\u8c61\u7684\u6982\u5ff5\uff0c\u53ef\u5b9a\u4e49\u590d\u6742\u7684\u6570\u636e\u7ed3\u6784\u548c\u5bf9\u8c61\u7c7b\u578b\uff0c\u800cMySQL\u7684\u9762\u5411\u5bf9\u8c61\u652f\u6301\u76f8\u5bf9\u8f83\u5f31\u3002<\/li>\n
    4. PL\/SQL\u7684\u5b58\u50a8\u8fc7\u7a0b\u66f4\u52a0\u7075\u6d3b\uff0c\u53ef\u4ee5\u5728\u5176\u4e2d\u5305\u542b\u4e1a\u52a1\u903b\u8f91\u548c\u63a7\u5236\u903b\u8f91\uff0c\u800cMySQL\u7684\u5b58\u50a8\u8fc7\u7a0b\u4e3b\u8981\u7528\u4e8e\u5c01\u88c5SQL\u64cd\u4f5c\u3002<\/li>\n<\/ol>\n

      \u793a\u4f8b\u4ee3\u7801\u6bd4\u8f83\uff1a<\/strong><\/p>\n

      \u4ee5\u4e0b\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u793a\u4f8b\uff0c\u5206\u522b\u5c55\u793a\u4e86MySQL\u548cPL\/SQL\u4e2d\u7684\u5b58\u50a8\u8fc7\u7a0b\u5b9a\u4e49\u548c\u8c03\u7528\u8fc7\u7a0b\uff1a<\/p>\n

      MySQL\u5b58\u50a8\u8fc7\u7a0b\u793a\u4f8b\uff1a<\/strong><\/p>\n

      DELIMITER $$\nCREATE PROCEDURE GetEmployeeByID(IN employee_id INT)\nBEGIN\n    SELECT * FROM employees WHERE employee_id = employee_id;\nEND$$\nDELIMITER ;\n\nCALL GetEmployeeByID(1001);<\/pre>\n
      PL\/SQL\u5b58\u50a8\u8fc7\u7a0b\u793a\u4f8b\uff1a<\/strong><\/p>\n
      CREATE OR REPLACE PROCEDURE GetEmployeeByID (employee_id IN employees.employee_id%TYPE) IS\n    v_employee employees%ROWTYPE;\nBEGIN\n    SELECT * INTO v_employee FROM employees WHERE employee_id = employee_id;\n    DBMS_OUTPUT.PUT_LINE('Employee Name: ' || v_employee.employee_name);\nEND;\n\/\n\nEXEC GetEmployeeByID(1001);<\/pre>\n
      \u901a\u8fc7\u4ee5\u4e0a\u793a\u4f8b\uff0c\u6211\u4eec\u53ef\u4ee5\u770b\u5230\u4e24\u8005\u7684\u8bed\u6cd5\u548c\u8c03\u7528\u65b9\u5f0f\u6709\u6240\u4e0d\u540c\uff0cMySQL\u4f7f\u7528DELIMITER<\/code>\u6765\u5b9a\u4e49\u5b58\u50a8\u8fc7\u7a0b\uff0c\u800cPL\/SQL\u91c7\u7528CREATE OR REPLACE PROCEDURE<\/code>\u6765\u5b9a\u4e49\u3002\u540c\u65f6\uff0cPL\/SQL\u4e2d\u4f7f\u7528DBMS_OUTPUT.PUT_LINE<\/code>\u6765\u8f93\u51fa\u7ed3\u679c\uff0c\u800cMySQL\u4e2d\u5219\u76f4\u63a5\u8fdb\u884c\u67e5\u8be2\u64cd\u4f5c\u3002<\/p>\n
      \u7efc\u4e0a\u6240\u8ff0\uff0cMySQL\u548cPL\/SQL\u5728\u8bed\u6cd5\u548c\u529f\u80fd\u4e0a\u5b58\u5728\u4e00\u4e9b\u4e0d\u540c\u4e4b\u5904\uff0c\u5f00\u53d1\u4eba\u5458\u53ef\u4ee5\u6839\u636e\u9879\u76ee\u9700\u6c42\u9009\u62e9\u9002\u5408\u7684\u6570\u636e\u5e93\u7ba1\u7406\u7cfb\u7edf\u6765\u5b8c\u6210\u76f8\u5e94\u7684\u5de5\u4f5c\u3002<\/p>\n
      \u7406\u8bba\u8981\u638c\u63e1\uff0c\u5b9e\u64cd\u4e0d\u80fd\u843d\uff01\u4ee5\u4e0a\u5173\u4e8e\u300aMySQL\u4e0ePL\/SQL\u7684\u6bd4\u8f83\u5bf9\u6bd4\u300b\u7684\u8be6\u7ec6\u4ecb\u7ecd\uff0c\u5927\u5bb6\u90fd\u638c\u63e1\u4e86\u5427\uff01\u5982\u679c\u60f3\u8981\u7ee7\u7eed\u63d0\u5347\u81ea\u5df1\u7684\u80fd\u529b\uff0c\u90a3\u4e48\u5c31\u6765\u5173\u6ce8\u4e3b\u673a\u5b9d\u8d1d\u516c\u4f17\u53f7\u5427\uff01<\/p>\n
      \n
      \n <\/dt>\n<\/dl>\n","protected":false},"excerpt":{"rendered":"
      MySQL\u4e0ePL\/SQL\u7684\u6bd4\u8f83\u5bf9...<\/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-200074","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/200074","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=200074"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/200074\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=200074"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=200074"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=200074"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}