{"id":199650,"date":"2025-05-06T08:34:14","date_gmt":"2025-05-06T00:34:14","guid":{"rendered":"https:\/\/server.hk\/cnblog\/199650\/"},"modified":"2025-05-06T08:34:14","modified_gmt":"2025-05-06T00:34:14","slug":"mysql%e4%b8%ad%e7%9a%84%e8%bf%87%e7%a8%8b%e5%ad%98%e5%82%a8","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/199650\/","title":{"rendered":"MySQL\u4e2d\u7684\u8fc7\u7a0b\u5b58\u50a8"},"content":{"rendered":"

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

MySQL\u4e2d\u7684\u8fc7\u7a0b\u5b58\u50a8<\/h1>\n

\u4eb2\u7231\u7684\u7f16\u7a0b\u5b66\u4e60\u7231\u597d\u8005\uff0c\u5982\u679c\u4f60\u70b9\u5f00\u4e86\u8fd9\u7bc7\u6587\u7ae0\uff0c\u8bf4\u660e\u4f60\u5bf9\u300aMySQL\u4e2d\u7684\u8fc7\u7a0b\u5b58\u50a8\u300b\u5f88\u611f\u5174\u8da3\u3002\u672c\u7bc7\u6587\u7ae0\u5c31\u6765\u7ed9\u5927\u5bb6\u8be6\u7ec6\u89e3\u6790\u4e00\u4e0b\uff0c\u4e3b\u8981\u4ecb\u7ecd\u4e00\u4e0b\uff0c\u5e0c\u671b\u6240\u6709\u8ba4\u771f\u8bfb\u5b8c\u7684\u7ae5\u978b\u4eec\uff0c\u90fd\u6709\u5b9e\u8d28\u6027\u7684\u63d0\u9ad8\u3002<\/p>\n

MySQL\u7684\u5b58\u50a8\u8fc7\u7a0b\uff0c\u9700\u8981\u5177\u4f53\u4ee3\u7801\u793a\u4f8b<\/p>\n

\u5728 MySQL \u4e2d\uff0c\u5b58\u50a8\u8fc7\u7a0b\u662f\u4e00\u79cd\u5728\u6570\u636e\u5e93\u670d\u52a1\u5668\u4e0a\u5b9a\u4e49\u3001\u4fdd\u5b58\u548c\u6267\u884c\u7684\u4e00\u6bb5\u9884\u7f16\u8bd1\u7684\u4ee3\u7801\u3002\u5b58\u50a8\u8fc7\u7a0b\u53ef\u4ee5\u63a5\u53d7\u53c2\u6570\uff0c\u5e76\u8fd4\u56de\u7ed3\u679c\uff0c\u8fd9\u4f7f\u5f97\u5b83\u975e\u5e38\u9002\u5408\u7528\u4e8e\u5904\u7406\u590d\u6742\u7684\u6570\u636e\u5e93\u64cd\u4f5c\u548c\u4e1a\u52a1\u903b\u8f91\u3002<\/p>\n

\u4e0b\u9762\uff0c\u6211\u4eec\u5c06\u901a\u8fc7\u4e00\u4e2a\u5177\u4f53\u7684\u4ee3\u7801\u793a\u4f8b\u6765\u4ecb\u7ecd MySQL \u5b58\u50a8\u8fc7\u7a0b\u7684\u4f7f\u7528\u3002<\/p>\n

\u5047\u8bbe\u6211\u4eec\u6709\u4e00\u4e2a\u540d\u4e3a “employees” \u7684\u5458\u5de5\u4fe1\u606f\u8868\uff0c\u8868\u4e2d\u5305\u542b\u5458\u5de5\u7684\u7f16\u53f7\u3001\u59d3\u540d\u3001\u5e74\u9f84\u548c\u6240\u5728\u90e8\u95e8\u7b49\u5b57\u6bb5\u3002\u6211\u4eec\u9700\u8981\u7f16\u5199\u4e00\u4e2a\u5b58\u50a8\u8fc7\u7a0b\u6765\u67e5\u8be2\u6307\u5b9a\u5e74\u9f84\u8303\u56f4\u5185\u7684\u5458\u5de5\u4fe1\u606f\u3002<\/p>\n

\u9996\u5148\uff0c\u6211\u4eec\u9700\u8981\u521b\u5efa “employees” \u8868\u5e76\u63d2\u5165\u4e00\u4e9b\u793a\u4f8b\u6570\u636e\uff1a<\/p>\n

CREATE TABLE employees (\n  id INT AUTO_INCREMENT PRIMARY KEY,\n  name VARCHAR(50) NOT NULL,\n  age INT NOT NULL,\n  department VARCHAR(50) NOT NULL\n);\n\nINSERT INTO employees (name, age, department)\nVALUES ('\u5f20\u4e09', 25, '\u9500\u552e\u90e8'),\n       ('\u674e\u56db', 30, '\u4eba\u529b\u8d44\u6e90\u90e8'),\n       ('\u738b\u4e94', 35, '\u6280\u672f\u90e8'),\n       ('\u8d75\u516d', 40, '\u8d22\u52a1\u90e8');<\/pre>\n
\u63a5\u4e0b\u6765\uff0c\u6211\u4eec\u53ef\u4ee5\u521b\u5efa\u4e00\u4e2a\u5b58\u50a8\u8fc7\u7a0b\u6765\u6839\u636e\u5e74\u9f84\u8303\u56f4\u67e5\u8be2\u5458\u5de5\u4fe1\u606f\uff1a<\/p>\n
DELIMITER \/\/\n\nCREATE PROCEDURE GetEmployeesByAgeRange(IN minAge INT, IN maxAge INT)\nBEGIN\n  SELECT * FROM employees WHERE age >= minAge AND age <= maxAge;\nEND \/\/\n\nDELIMITER ;<\/pre>\n
\u5728\u4e0a\u9762\u7684\u4ee3\u7801\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528 DELIMITER<\/code> \u5173\u952e\u5b57\u6765\u6307\u5b9a\u7ed3\u675f\u5b58\u50a8\u8fc7\u7a0b\u5b9a\u4e49\u7684\u5206\u9694\u7b26\u3002\u7136\u540e\uff0c\u6211\u4eec\u4f7f\u7528 CREATE PROCEDURE<\/code> \u8bed\u53e5\u521b\u5efa\u4e86\u4e00\u4e2a\u540d\u4e3a GetEmployeesByAgeRange<\/code> \u7684\u5b58\u50a8\u8fc7\u7a0b\u3002\u8be5\u5b58\u50a8\u8fc7\u7a0b\u63a5\u53d7\u4e24\u4e2a\u8f93\u5165\u53c2\u6570 minAge<\/code> \u548c maxAge<\/code>\uff0c\u7528\u4e8e\u6307\u5b9a\u5e74\u9f84\u8303\u56f4\u3002\u5728\u5b58\u50a8\u8fc7\u7a0b\u4f53\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528 SELECT<\/code> \u8bed\u53e5\u6765\u67e5\u8be2\u7b26\u5408\u6761\u4ef6\u7684\u5458\u5de5\u4fe1\u606f\u3002<\/p>\n
\u6700\u540e\uff0c\u6211\u4eec\u4f7f\u7528 DELIMITER<\/code> \u5173\u952e\u5b57\u6062\u590d\u539f\u59cb\u7684\u8bed\u53e5\u5206\u9694\u7b26\u3002<\/p>\n
\u73b0\u5728\uff0c\u6211\u4eec\u53ef\u4ee5\u8c03\u7528\u5b58\u50a8\u8fc7\u7a0b\u6765\u67e5\u8be2\u5458\u5de5\u4fe1\u606f\u3002\u5047\u8bbe\u6211\u4eec\u9700\u8981\u67e5\u8be2\u5e74\u9f84\u5728 30 \u5230 35 \u5c81\u4e4b\u95f4\u7684\u5458\u5de5\u4fe1\u606f\uff0c\u53ef\u4ee5\u6267\u884c\u4ee5\u4e0b\u4ee3\u7801\uff1a<\/p>\n
CALL GetEmployeesByAgeRange(30, 35);<\/pre>\n
\u8fd0\u884c\u4ee5\u4e0a\u4ee3\u7801\u540e\uff0c\u6211\u4eec\u5c06\u5f97\u5230\u5982\u4e0b\u7ed3\u679c\uff1a<\/p>\n
+----+------+-----+-----------------+\n| id | name | age | department      |\n+----+------+-----+-----------------+\n|  2 | \u674e\u56db |  30 | \u4eba\u529b\u8d44\u6e90\u90e8      |\n|  3 | \u738b\u4e94 |  35 | \u6280\u672f\u90e8           |\n+----+------+-----+-----------------+<\/pre>\n
\u901a\u8fc7\u4ee5\u4e0a\u7684\u793a\u4f8b\u4ee3\u7801\uff0c\u6211\u4eec\u53ef\u4ee5\u770b\u5230 MySQL \u5b58\u50a8\u8fc7\u7a0b\u7684\u4f7f\u7528\u65b9\u6cd5\u3002\u5b58\u50a8\u8fc7\u7a0b\u53ef\u4ee5\u901a\u8fc7\u521b\u5efa\u9884\u5b9a\u4e49\u7684\u4ee3\u7801\u5757\u6765\u5b9e\u73b0\u590d\u6742\u7684\u6570\u636e\u5e93\u64cd\u4f5c\uff0c\u5e76\u53ef\u4ee5\u5728\u9700\u8981\u65f6\u88ab\u591a\u6b21\u8c03\u7528\u3002<\/p>\n
\u603b\u7ed3\u8d77\u6765\uff0cMySQL \u7684\u5b58\u50a8\u8fc7\u7a0b\u662f\u4e00\u79cd\u5f3a\u5927\u7684\u6570\u636e\u5e93\u529f\u80fd\uff0c\u5b83\u53ef\u4ee5\u5927\u5927\u63d0\u9ad8\u5f00\u53d1\u4eba\u5458\u7684\u5de5\u4f5c\u6548\u7387\uff0c\u5e76\u51cf\u5c11\u91cd\u590d\u7684\u4ee3\u7801\u3002\u719f\u7ec3\u638c\u63e1\u5b58\u50a8\u8fc7\u7a0b\u7684\u4f7f\u7528\u65b9\u6cd5\uff0c\u53ef\u4ee5\u4f7f\u6211\u4eec\u66f4\u52a0\u9ad8\u6548\u548c\u7075\u6d3b\u5730\u5904\u7406\u5404\u79cd\u6570\u636e\u5e93\u64cd\u4f5c\u548c\u4e1a\u52a1\u903b\u8f91\u3002<\/p>\n
\u7ec8\u4e8e\u4ecb\u7ecd\u5b8c\u5566\uff01\u5c0f\u4f19\u4f34\u4eec\uff0c\u8fd9\u7bc7\u5173\u4e8e\u300aMySQL\u4e2d\u7684\u8fc7\u7a0b\u5b58\u50a8\u300b\u7684\u4ecb\u7ecd\u5e94\u8be5\u8ba9\u4f60\u6536\u83b7\u591a\u591a\u4e86\u5427\uff01\u6b22\u8fce\u5927\u5bb6\u6536\u85cf\u6216\u5206\u4eab\u7ed9\u66f4\u591a\u9700\u8981\u5b66\u4e60\u7684\u670b\u53cb\u5427~\u4e3b\u673a\u5b9d\u8d1d\u516c\u4f17\u53f7\u4e5f\u4f1a\u53d1\u5e03\u6570\u636e\u5e93\u76f8\u5173\u77e5\u8bc6\uff0c\u5feb\u6765\u5173\u6ce8\u5427\uff01<\/p>\n
\n
\n <\/dt>\n<\/dl>\n","protected":false},"excerpt":{"rendered":"
MySQL\u4e2d\u7684\u8fc7\u7a0b\u5b58\u50a8 \u4eb2\u7231\u7684\u7f16...<\/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-199650","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/199650","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=199650"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/199650\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=199650"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=199650"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=199650"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}