{"id":200113,"date":"2025-05-06T08:09:46","date_gmt":"2025-05-06T00:09:46","guid":{"rendered":"https:\/\/server.hk\/cnblog\/200113\/"},"modified":"2025-05-06T08:09:46","modified_gmt":"2025-05-06T00:09:46","slug":"%e6%8e%8c%e6%8f%a1-mysql-%e4%b8%ad%e9%9a%90%e5%bd%a2%e7%b4%a2%e5%bc%95%e7%9a%84%e8%89%ba%e6%9c%af","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/200113\/","title":{"rendered":"\u638c\u63e1 MySQL \u4e2d\u9690\u5f62\u7d22\u5f15\u7684\u827a\u672f"},"content":{"rendered":"

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

\u638c\u63e1 MySQL \u4e2d\u9690\u5f62\u7d22\u5f15\u7684\u827a\u672f<\/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\u638c\u63e1 MySQL \u4e2d\u9690\u5f62\u7d22\u5f15\u7684\u827a\u672f\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

<\/p>\n

\u6b22\u8fce\u6df1\u5165\u4e86\u89e3 MySQL \u7684\u4e00\u9879\u51fa\u8272\u529f\u80fd\u2014\u2014\u9690\u5f62\u7d22\u5f15\u3002\u8be5\u529f\u80fd\u968f MySQL 8.0 \u4e00\u8d77\u53d1\u5e03\uff0c\u589e\u52a0\u4e86\u6bcf\u4e2a\u6570\u636e\u5e93\u7ba1\u7406\u5458\u90fd\u68a6\u60f3\u7684\u7075\u6d3b\u6027\uff1a\u80fd\u591f\u52a8\u6001\u200b\u200b\u5207\u6362\u7d22\u5f15\u7684\u53ef\u89c1\u6027\u800c\u4e0d\u4e22\u5931\u5b83\uff01\u8ba9\u6211\u4eec\u6df1\u5165\u7814\u7a76\u4e00\u4e0b\u8fd9\u4e2a\u529f\u80fd\u7684\u5de5\u4f5c\u539f\u7406\u4ee5\u53ca\u4e3a\u4ec0\u4e48\u5b83\u4f1a\u6539\u53d8\u6e38\u620f\u89c4\u5219\u3002<\/p>\n

\u4ec0\u4e48\u662f\u9690\u5f62\u7d22\u5f15\uff1f <\/h2>\n

\u4e0d\u53ef\u89c1\u7d22\u5f15\u662f MySQL 8.0 \u5957\u4ef6\u4e2d\u7684\u4e00\u4e2a\u7470\u5b9d\uff0c\u5b83\u5141\u8bb8\u60a8\u63a7\u5236\u7d22\u5f15\u5bf9\u4f18\u5316\u5668\u7684\u53ef\u89c1\u6027\u3002\u672c\u8d28\u4e0a\uff0c\u60a8\u53ef\u4ee5\u51b3\u5b9a\u5728\u67e5\u8be2\u4f18\u5316\u671f\u95f4\u662f\u5426\u5e94\u8003\u8651\u7d22\u5f15\uff0c\u800c\u65e0\u9700\u6c38\u4e45\u6dfb\u52a0\u6216\u5220\u9664\u7d22\u5f15\u3002<\/p>\n

\u4ee5\u4e0b\u662f\u5982\u4f55\u4f7f\u7d22\u5f15\u4e0d\u53ef\u89c1\u6216\u53ef\u89c1\uff1a<\/p>\n

-- \u4f7f\u7d22\u5f15\u4e0d\u53ef\u89c1\nALTER TABLE  ALTER INDEX  \u4e0d\u53ef\u89c1\uff1b\n\n-- \u4f7f\u7d22\u5f15\u53ef\u89c1\nALTER TABLE  ALTER INDEX  \u53ef\u89c1\uff1b\n<\/pre>\n
 \u4e3a\u4ec0\u4e48\u8981\u4f7f\u7528\u9690\u5f62\u7d22\u5f15\uff1f <\/h2>\n
\u5047\u8bbe\u60a8\u6b63\u5728\u8c03\u6574\u6570\u636e\u5e93\u7684\u6027\u80fd\u6216\u6d4b\u8bd5\u5728\u6ca1\u6709\u67d0\u4e9b\u7d22\u5f15\u7684\u60c5\u51b5\u4e0b\u67e5\u8be2\u7684\u6267\u884c\u60c5\u51b5\u3002\u4f20\u7edf\u4e0a\uff0c\u60a8\u53ef\u80fd\u4f1a\u5220\u9664\u4e00\u4e2a\u7d22\u5f15\u8fdb\u884c\u6d4b\u8bd5\uff0c\u7136\u540e\u91cd\u65b0\u6dfb\u52a0\u5b83\uff0c\u8fd9\u4e2a\u8fc7\u7a0b\u4e0d\u4ec5\u8017\u65f6\uff0c\u800c\u4e14\u5728\u5b9e\u65f6\u73af\u5883\u4e2d\u4e5f\u5b58\u5728\u4e00\u5b9a\u98ce\u9669\u3002\u4e0d\u53ef\u89c1\u7d22\u5f15\u901a\u8fc7\u5141\u8bb8\u4fdd\u7559\u7d22\u5f15\u4f46\u7b80\u5355\u5730\u544a\u8bc9\u4f18\u5316\u5668\u5ffd\u7565\u5b83\u6765\u89e3\u51b3\u8fd9\u4e2a\u95ee\u9898\u3002<\/p>\n
\u8fd9\u4e2a\u529f\u80fd\u4e0d\u4ec5\u4ec5\u662f\u4e3a\u4e86\u65b9\u4fbf\uff1b\u8fd9\u662f\u5173\u4e8e\u6027\u80fd\u7684\u3002\u4f7f\u7d22\u5f15\u4e0d\u53ef\u89c1\u51e0\u4e4e\u662f\u77ac\u65f6\u7684\uff0c\u6bd4\u5220\u9664\u548c\u91cd\u65b0\u6dfb\u52a0\u7d22\u5f15\u5feb\u5f97\u591a\u3002<\/p>\n
 \u771f\u5b9e\u4e16\u754c\u9a8c\u8bc1\uff1a\u6848\u4f8b\u7814\u7a76 <\/h2>\n
\u4e3a\u4e86\u4e86\u89e3\u6b64\u529f\u80fd\u7684\u5f71\u54cd\uff0c\u6211\u4f7f\u7528\u4e86 Gitpod Enterprise \u5de5\u4f5c\u533a\uff0c\u5229\u7528\u5f3a\u5927\u4e14\u77ed\u6682\u7684\u73af\u5883\u6765\u907f\u514d\u8bbe\u7f6e\u548c\u5b89\u88c5\u7684\u9ebb\u70e6\u3002\u8fd9\u662f\u8bbe\u7f6e\u7684\u6982\u89c8\uff1a<\/p>\n
    \n
  •  \u673a\u5668<\/strong>\uff1aGitpod Enterprise XXLarge \u5de5\u4f5c\u533a <\/li>\n
  •  \u64cd\u4f5c\u7cfb\u7edf<\/strong>\uff1aUbuntu 22.04.4 LTS\uff08Jammy Jellyfish\uff09<\/li>\n
  •  \u5bb9\u5668\u5316<\/strong>\uff1aDocker \u7248\u672c 26.0.1<\/li>\n
  •  MySQL \u7248\u672c<\/strong>\uff1a\u5b98\u65b9 MySQL 8.0 Docker \u955c\u50cf<\/li>\n<\/ul>\n
     \u642d\u5efa\u821e\u53f0 <\/h3>\n
    \u6211\u9996\u5148\u521b\u5efa\u4e00\u4e2a\u4e66\u7c4d\u8868\u5e76\u7528\u5927\u91cf\u6570\u636e\u96c6\u586b\u5145\u5b83\uff1a<\/p>\n
    \u521b\u5efa\u8868\u683c\u4e66\u7c4d\uff08\n  id INT \u4e3b\u952e\u81ea\u52a8\u9012\u589e\uff0c\n  \u540d\u79f0 VARCHAR(255) NOT NULL\n\uff09\uff1b\n\n-- \u65b0\u589e1\u4ebf\u6761\u8bb0\u5f55\n\u8bbe\u7f6e\u4f1a\u8bddcte_max_recursion_\u6df1\u5ea6= 100000000\uff1b\n\u63d2\u5165\u4e66\u7c4d\uff08\u540d\u79f0\uff09\n\u4e0e\u9012\u5f52 cte (n) AS (\n  \u9009\u62e91\n  \u8054\u5408\u6240\u6709\n  \u4ece cte \u4e2d\u9009\u62e9 n + 1\uff0c\u5176\u4e2d n \n\n\n\n\n   \n \n \n 
    \n\n    \n  \n  \n  
    \u8f93\u51fa\uff1a<\/strong> \u67e5\u8be2\u6b63\u5e38\uff0c100000000 \u884c\u53d7\u5f71\u54cd\uff087 \u5206 40.58 \u79d2\uff09
     \u8bb0\u5f55\uff1a100000000 \u91cd\u590d\uff1a0 \u8b66\u544a\uff1a0<\/p>\n\n   \n \n \n <\/blockquote>\n\n
    \n  \n  \n  \u5c1d\u8bd5\u7d22\u5f15\n<\/h3>\n\n
    \u63a5\u4e0b\u6765\uff0c\u6211\u5411\u540d\u79f0\u5217\u6dfb\u52a0\u4e86\u7d22\u5f15\uff0c\u5e76\u6267\u884c\u64cd\u4f5c\u6765\u5207\u6362\u5176\u53ef\u89c1\u6027\uff1a
    <\/p>\n\n
    -- \u6dfb\u52a0\u7d22\u5f15\nALTER TABLE books \u6dfb\u52a0\u7d22\u5f15 idx_name(name);\n<\/pre>\n
    \n
    \u8f93\u51fa\uff1a<\/strong> \u67e5\u8be2\u6b63\u5e38\uff0c0 \u884c\u53d7\u5f71\u54cd\uff083 \u5206 54.75 \u79d2\uff09
     \u8bb0\u5f55\uff1a0 \u91cd\u590d\uff1a0 \u8b66\u544a\uff1a0<\/p>\n<\/blockquote>\n
    --\u4f7f\u7d22\u5f15\u4e0d\u53ef\u89c1\nALTER TABLE books ALTER INDEX idx_name INVISIBLE;\n<\/pre>\n
    \n
    \u8f93\u51fa\uff1a<\/strong> \u67e5\u8be2\u6b63\u5e38\uff0c0 \u884c\u53d7\u5f71\u54cd\uff080.01 \u79d2\uff09
     \u8bb0\u5f55\uff1a0 \u91cd\u590d\uff1a0 \u8b66\u544a\uff1a0<\/p>\n<\/blockquote>\n
    --\u4f7f\u7d22\u5f15\u518d\u6b21\u53ef\u89c1\nALTER TABLE books ALTER INDEX idx_name VISIBLE;\n<\/pre>\n
    \n
    \u8f93\u51fa\uff1a<\/strong> \u67e5\u8be2\u6b63\u5e38\uff0c0 \u884c\u53d7\u5f71\u54cd\uff080.00 \u79d2\uff09
     \u8bb0\u5f55\uff1a0 \u91cd\u590d\uff1a0 \u8b66\u544a\uff1a0<\/p>\n<\/blockquote>\n
    --\u5220\u9664\u7d22\u5f15\n\u5220\u9664\u4e66\u7c4d\u4e0a\u7684 idx_name \u7d22\u5f15\uff1b\n<\/pre>\n
    \n
    \u8f93\u51fa\uff1a<\/strong> \u67e5\u8be2\u6b63\u5e38\uff0c0 \u884c\u53d7\u5f71\u54cd\uff080.02 \u79d2\uff09
     \u8bb0\u5f55\uff1a0 \u91cd\u590d\uff1a0 \u8b66\u544a\uff1a0<\/p>\n<\/blockquote>\n
    \n
      \u89c2\u5bdf\u7ed3\u679c
    \n<\/h3>\n\n\n\n\n\n\n\n\n
    \u884c\u52a8<\/th>\n\u5904\u7406\u65f6\u95f4<\/th>\n<\/tr>\n<\/thead>\n
    \u4f7f\u7d22\u5f15\u4e0d\u53ef\u89c1<\/td>\n0.01\u79d2<\/td>\n<\/tr>\n
    \u6dfb\u52a0\u7d22\u5f15<\/td>\n3\u520654.75\u79d2<\/td>\n<\/tr>\n
    \u4f7f\u7d22\u5f15\u53ef\u89c1<\/td>\n0.00 \u79d2<\/td>\n<\/tr>\n
    \u6307\u6570\u4e0b\u964d<\/td>\n0.02\u79d2<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
    \u7ed3\u679c\u5f88\u6709\u542f\u53d1\u3002\u4f7f\u7d22\u5f15\u4e0d\u53ef\u89c1\u548c\u518d\u6b21\u53ef\u89c1\u51e0\u4e4e\u662f\u77ac\u65f6\u7684\uff0c\u8fd9\u4e0e\u6dfb\u52a0\u6216\u5220\u9664\u7d22\u5f15\u6240\u9700\u7684\u65f6\u95f4\u5f62\u6210\u9c9c\u660e\u5bf9\u6bd4\u3002\u8fd9\u5f3a\u8c03\u4e86\u4f7f\u7528\u9690\u5f62\u7d22\u5f15\u8fdb\u884c\u6027\u80fd\u8c03\u4f18\u7684\u6548\u7387\u3002<\/p>\n
    \n
      \u7ed3\u8bba
    \n<\/h2>\n
    \u9690\u5f62\u7d22\u5f15\u662f MySQL \u5de5\u5177\u5305\u4e2d\u7684\u4e00\u9879\u91cd\u8981\u529f\u80fd\uff0c\u63d0\u4f9b\u7075\u6d3b\u6027\u548c\u6027\u80fd\u4f18\u52bf\u3002\u5b83\u4eec\u5728\u7d22\u5f15\u53ef\u80fd\u4f1a\u5e72\u6270\u6027\u80fd\u7684\u573a\u666f\u4e2d\u7279\u522b\u6709\u7528\uff0c\u6216\u8005\u5728\u6d4b\u8bd5\u7d22\u5f15\u5bf9\u67e5\u8be2\u6267\u884c\u7684\u5f71\u54cd\u800c\u65e0\u9700\u5220\u9664\u548c\u91cd\u65b0\u6dfb\u52a0\u5b83\u4eec\u7684\u5f00\u9500\u65f6\u7279\u522b\u6709\u7528\u3002<\/p>\n
    \u5bf9\u4e8e\u8be6\u7ec6\u7684 MySQL \u64cd\u4f5c\uff0cMySQL \u5728\u7ebf DDL \u64cd\u4f5c\u5b98\u65b9\u6587\u6863\u63d0\u4f9b\u4e86\u5168\u9762\u7684\u6307\u5bfc\uff0c\u5305\u62ec\u6dfb\u52a0\u5168\u6587\u7d22\u5f15\u6216\u7a7a\u95f4\u7d22\u5f15\u7b49\u4e0d\u5141\u8bb8\u5e76\u53d1 DML \u64cd\u4f5c\u7684\u573a\u666f\u3002<\/p>\n
    \u9690\u5f62\u7d22\u5f15\u4e0d\u4ec5\u4ec5\u662f\u4e00\u4e2a\u529f\u80fd\uff1b\u5b83\u4eec\u662f\u6570\u636e\u5e93\u4f18\u5316\u7684\u6218\u7565\u4f18\u52bf\u2014\u2014\u5bf9\u4e8e\u4efb\u4f55\u53c2\u4e0e\u6570\u636e\u5e93\u7ba1\u7406\u6216\u4f18\u5316\u7684\u4eba\u6765\u8bf4\u7edd\u5bf9\u662f\u4e00\u4e2a\u503c\u5f97\u638c\u63e1\u7684\u5de5\u5177\uff01<\/p>\n
    \u4ee5\u4e0a\u5c31\u662f\u672c\u6587\u7684\u5168\u90e8\u5185\u5bb9\u4e86\uff0c\u662f\u5426\u6709\u987a\u5229\u5e2e\u52a9\u4f60\u89e3\u51b3\u95ee\u9898\uff1f\u82e5\u662f\u80fd\u7ed9\u4f60\u5e26\u6765\u5b66\u4e60\u4e0a\u7684\u5e2e\u52a9\uff0c\u8bf7\u5927\u5bb6\u591a\u591a\u652f\u6301\u4e3b\u673a\u5b9d\u8d1d\uff01\u66f4\u591a\u5173\u4e8e\u6570\u636e\u5e93\u7684\u76f8\u5173\u77e5\u8bc6\uff0c\u4e5f\u53ef\u5173\u6ce8\u4e3b\u673a\u5b9d\u8d1d\u516c\u4f17\u53f7\u3002<\/p>\n
     \u7248\u672c\u58f0\u660e \u672c\u6587\u8f6c\u8f7d\u4e8e\uff1adev.to \u5982\u6709\u4fb5\u72af\uff0c\u8bf7\u8054\u7cfb \u5220\u9664 <\/p>\n
    \n
    \n <\/dt>\n<\/dl>\n","protected":false},"excerpt":{"rendered":"
    \u638c\u63e1 MySQL \u4e2d\u9690\u5f62\u7d22\u5f15\u7684\u827a...<\/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-200113","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/200113","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=200113"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/200113\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=200113"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=200113"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=200113"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}