{"id":76046,"date":"2024-10-16T03:24:15","date_gmt":"2024-10-15T19:24:15","guid":{"rendered":"https:\/\/server.hk\/cnblog\/76046\/"},"modified":"2024-10-16T03:24:15","modified_gmt":"2024-10-15T19:24:15","slug":"mysql-%e8%81%9a%e7%b0%87%e7%b4%a2%e5%bc%95%e7%9a%84%e5%af%a6%e9%9a%9b%e6%87%89%e7%94%a8%e6%96%bc%e7%b5%90%e6%a7%8b%e6%8f%8f%e8%bf%b0","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/76046\/","title":{"rendered":"MySQL \u805a\u7c07\u7d22\u5f15\u7684\u5be6\u969b\u61c9\u7528\u65bc\u7d50\u69cb\u63cf\u8ff0"},"content":{"rendered":"<h1 id=\"mysql-%e8%81%9a%e7%b0%87%e7%b4%a2%e5%bc%95%e7%9a%84%e5%af%a6%e9%9a%9b%e6%87%89%e7%94%a8%e6%96%bc%e7%b5%90%e6%a7%8b%e6%8f%8f%e8%bf%b0-mTkILcwNUj\">MySQL \u805a\u7c07\u7d22\u5f15\u7684\u5be6\u969b\u61c9\u7528\u65bc\u7d50\u69cb\u63cf\u8ff0<\/h1>\n<p>\u5728\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\u4e2d\uff0c\u7d22\u5f15\u662f\u4e00\u7a2e\u91cd\u8981\u7684\u6578\u64da\u7d50\u69cb\uff0c\u7528\u65bc\u63d0\u9ad8\u67e5\u8a62\u6548\u7387\u3002MySQL \u4f5c\u70ba\u4e00\u500b\u6d41\u884c\u7684\u958b\u6e90\u6578\u64da\u5eab\u7cfb\u7d71\uff0c\u63d0\u4f9b\u4e86\u591a\u7a2e\u7d22\u5f15\u985e\u578b\uff0c\u5176\u4e2d\u805a\u7c07\u7d22\u5f15\uff08Clustered Index\uff09\u662f\u6700\u5e38\u7528\u7684\u4e00\u7a2e\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0e MySQL \u805a\u7c07\u7d22\u5f15\u7684\u5be6\u969b\u61c9\u7528\u53ca\u5176\u7d50\u69cb\u63cf\u8ff0\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af%e8%81%9a%e7%b0%87%e7%b4%a2%e5%bc%95%ef%bc%9f-mTkILcwNUj\">\u4ec0\u9ebc\u662f\u805a\u7c07\u7d22\u5f15\uff1f<\/h2>\n<p>\u805a\u7c07\u7d22\u5f15\u662f\u4e00\u7a2e\u7279\u6b8a\u7684\u7d22\u5f15\u985e\u578b\uff0c\u5b83\u5c07\u6578\u64da\u884c\u7684\u7269\u7406\u9806\u5e8f\u8207\u7d22\u5f15\u7684\u908f\u8f2f\u9806\u5e8f\u76f8\u7d50\u5408\u3002\u9019\u610f\u5473\u8457\uff0c\u6578\u64da\u8868\u4e2d\u7684\u6578\u64da\u884c\u662f\u6309\u7167\u805a\u7c07\u7d22\u5f15\u7684\u9806\u5e8f\u5b58\u5132\u7684\u3002\u6bcf\u500b\u8868\u53ea\u80fd\u6709\u4e00\u500b\u805a\u7c07\u7d22\u5f15\uff0c\u56e0\u70ba\u6578\u64da\u884c\u53ea\u80fd\u4ee5\u4e00\u7a2e\u65b9\u5f0f\u6392\u5e8f\u3002<\/p>\n<h2 id=\"%e8%81%9a%e7%b0%87%e7%b4%a2%e5%bc%95%e7%9a%84%e7%89%b9%e9%bb%9e-mTkILcwNUj\">\u805a\u7c07\u7d22\u5f15\u7684\u7279\u9ede<\/h2>\n<ul>\n<li><strong>\u6578\u64da\u5b58\u5132\u9806\u5e8f\uff1a<\/strong>\u805a\u7c07\u7d22\u5f15\u6c7a\u5b9a\u4e86\u6578\u64da\u5728\u78c1\u789f\u4e0a\u7684\u5b58\u5132\u9806\u5e8f\uff0c\u9019\u4f7f\u5f97\u7bc4\u570d\u67e5\u8a62\u7684\u6027\u80fd\u512a\u65bc\u975e\u805a\u7c07\u7d22\u5f15\u3002<\/li>\n<li><strong>\u552f\u4e00\u6027\uff1a<\/strong>\u805a\u7c07\u7d22\u5f15\u901a\u5e38\u4f7f\u7528\u4e3b\u9375\u4f5c\u70ba\u7d22\u5f15\uff0c\u9019\u4fdd\u8b49\u4e86\u7d22\u5f15\u7684\u552f\u4e00\u6027\u3002<\/li>\n<li><strong>\u6027\u80fd\u5f71\u97ff\uff1a<\/strong>\u7531\u65bc\u6578\u64da\u884c\u7684\u7269\u7406\u9806\u5e8f\u8207\u7d22\u5f15\u76f8\u540c\uff0c\u67e5\u8a62\u6642\u53ef\u4ee5\u6e1b\u5c11\u78c1\u789f I\/O \u64cd\u4f5c\uff0c\u63d0\u9ad8\u67e5\u8a62\u6548\u7387\u3002<\/li>\n<\/ul>\n<h2 id=\"%e8%81%9a%e7%b0%87%e7%b4%a2%e5%bc%95%e7%9a%84%e5%af%a6%e9%9a%9b%e6%87%89%e7%94%a8-mTkILcwNUj\">\u805a\u7c07\u7d22\u5f15\u7684\u5be6\u969b\u61c9\u7528<\/h2>\n<p>\u805a\u7c07\u7d22\u5f15\u5728\u8a31\u591a\u5834\u666f\u4e2d\u90fd\u80fd\u767c\u63ee\u91cd\u8981\u4f5c\u7528\uff0c\u4ee5\u4e0b\u662f\u5e7e\u500b\u5be6\u969b\u61c9\u7528\u7684\u4f8b\u5b50\uff1a<\/p>\n<h3 id=\"1-%e7%af%84%e5%9c%8d%e6%9f%a5%e8%a9%a2-mTkILcwNUj\">1. \u7bc4\u570d\u67e5\u8a62<\/h3>\n<p>\u7576\u9700\u8981\u67e5\u8a62\u4e00\u500b\u7bc4\u570d\u5167\u7684\u6578\u64da\u6642\uff0c\u805a\u7c07\u7d22\u5f15\u7684\u6027\u80fd\u512a\u52e2\u5c24\u70ba\u660e\u986f\u3002\u4f8b\u5982\uff0c\u5047\u8a2d\u6709\u4e00\u500b\u7528\u6236\u8868\uff0c\u5305\u542b\u7528\u6236\u7684 ID \u548c\u8a3b\u518a\u65e5\u671f\u3002\u5982\u679c\u6211\u5011\u7d93\u5e38\u9700\u8981\u67e5\u8a62\u67d0\u500b\u65e5\u671f\u7bc4\u570d\u5167\u7684\u7528\u6236\uff0c\u53ef\u4ee5\u5c07\u8a3b\u518a\u65e5\u671f\u8a2d\u7f6e\u70ba\u805a\u7c07\u7d22\u5f15\u3002\u9019\u6a23\uff0c\u67e5\u8a62\u6642\u53ea\u9700\u4e00\u6b21\u78c1\u789f\u8b80\u53d6\u5373\u53ef\u7372\u5f97\u6240\u9700\u7684\u6578\u64da\u3002<\/p>\n<pre><code>SELECT * FROM users WHERE registration_date BETWEEN '2023-01-01' AND '2023-12-31';<\/code><\/pre>\n<h3 id=\"2-%e4%b8%bb%e9%8d%b5%e6%9f%a5%e8%a9%a2-mTkILcwNUj\">2. \u4e3b\u9375\u67e5\u8a62<\/h3>\n<p>\u805a\u7c07\u7d22\u5f15\u901a\u5e38\u8207\u4e3b\u9375\u4e00\u8d77\u4f7f\u7528\uff0c\u9019\u6a23\u53ef\u4ee5\u4fdd\u8b49\u6bcf\u4e00\u884c\u6578\u64da\u7684\u552f\u4e00\u6027\u3002\u4f8b\u5982\uff0c\u5728\u4e00\u500b\u8a02\u55ae\u8868\u4e2d\uff0c\u8a02\u55ae ID \u53ef\u4ee5\u4f5c\u70ba\u805a\u7c07\u7d22\u5f15\uff0c\u9019\u6a23\u5728\u67e5\u8a62\u7279\u5b9a\u8a02\u55ae\u6642\uff0c\u6027\u80fd\u6703\u975e\u5e38\u9ad8\u6548\u3002<\/p>\n<pre><code>SELECT * FROM orders WHERE order_id = 12345;<\/code><\/pre>\n<h3 id=\"3-%e6%95%b8%e6%93%9a%e6%8f%92%e5%85%a5%e5%92%8c%e6%9b%b4%e6%96%b0-mTkILcwNUj\">3. \u6578\u64da\u63d2\u5165\u548c\u66f4\u65b0<\/h3>\n<p>\u96d6\u7136\u805a\u7c07\u7d22\u5f15\u5728\u67e5\u8a62\u6027\u80fd\u4e0a\u6709\u660e\u986f\u512a\u52e2\uff0c\u4f46\u5728\u6578\u64da\u63d2\u5165\u548c\u66f4\u65b0\u6642\uff0c\u53ef\u80fd\u6703\u5c0e\u81f4\u6027\u80fd\u4e0b\u964d\u3002\u56e0\u70ba\u6bcf\u6b21\u63d2\u5165\u65b0\u6578\u64da\u6642\uff0c\u6578\u64da\u5eab\u9700\u8981\u91cd\u65b0\u6392\u5217\u6578\u64da\u884c\u4ee5\u4fdd\u6301\u7d22\u5f15\u7684\u9806\u5e8f\u3002\u56e0\u6b64\uff0c\u5728\u8a2d\u8a08\u6578\u64da\u8868\u6642\uff0c\u9700\u8981\u8003\u616e\u5230\u9019\u4e00\u9ede\u3002<\/p>\n<h2 id=\"%e5%a6%82%e4%bd%95%e5%89%b5%e5%bb%ba%e8%81%9a%e7%b0%87%e7%b4%a2%e5%bc%95-mTkILcwNUj\">\u5982\u4f55\u5275\u5efa\u805a\u7c07\u7d22\u5f15<\/h2>\n<p>\u5728 MySQL \u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u8a9e\u6cd5\u5275\u5efa\u805a\u7c07\u7d22\u5f15\uff1a<\/p>\n<pre><code>CREATE TABLE users (\n    user_id INT PRIMARY KEY,\n    username VARCHAR(50),\n    registration_date DATE\n) ENGINE=InnoDB;<\/code><\/pre>\n<p>\u5728\u9019\u500b\u4f8b\u5b50\u4e2d\uff0cuser_id \u88ab\u8a2d\u7f6e\u70ba\u4e3b\u9375\uff0c\u81ea\u52d5\u6210\u70ba\u805a\u7c07\u7d22\u5f15\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-mTkILcwNUj\">\u7e3d\u7d50<\/h2>\n<p>\u805a\u7c07\u7d22\u5f15\u5728 MySQL \u4e2d\u662f\u4e00\u500b\u5f37\u5927\u7684\u5de5\u5177\uff0c\u80fd\u5920\u986f\u8457\u63d0\u9ad8\u67e5\u8a62\u6027\u80fd\uff0c\u7279\u5225\u662f\u5728\u7bc4\u570d\u67e5\u8a62\u548c\u4e3b\u9375\u67e5\u8a62\u4e2d\u3002\u7136\u800c\uff0c\u5728\u8a2d\u8a08\u6578\u64da\u5eab\u6642\uff0c\u958b\u767c\u8005\u9700\u8981\u5e73\u8861\u67e5\u8a62\u6027\u80fd\u8207\u6578\u64da\u63d2\u5165\u548c\u66f4\u65b0\u7684\u6548\u7387\u3002\u4e86\u89e3\u805a\u7c07\u7d22\u5f15\u7684\u7279\u6027\u548c\u61c9\u7528\u5834\u666f\uff0c\u5c07\u6709\u52a9\u65bc\u66f4\u597d\u5730\u8a2d\u8a08\u548c\u512a\u5316\u6578\u64da\u5eab\u7d50\u69cb\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u6eff\u8db3\u60a8\u7684\u9700\u6c42\u3002\u7121\u8ad6\u662f <a href=\"https:\/\/server.hk\">\u9999\u6e2f\u4f3a\u670d\u5668<\/a> \u9084\u662f <a href=\"https:\/\/server.hk\">\u4e91\u4f3a\u670d\u5668<\/a>\uff0c\u6211\u5011\u90fd\u80fd\u70ba\u60a8\u63d0\u4f9b\u7a69\u5b9a\u7684\u670d\u52d9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22 MySQL \u805a\u7c07\u7d22\u5f15\u7684\u5be6\u969b\u61c9\u7528\uff0c\u4e86\u89e3\u5176\u5728\u6578\u64da\u7d50\u69cb\u4e2d\u7684\u91cd\u8981\u6027\u53ca\u512a\u5316\u67e5\u8a62\u6027\u80fd\u7684\u6280\u5de7\u3002<\/p>\n","protected":false},"author":0,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-76046","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/76046","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"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=76046"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/76046\/revisions"}],"predecessor-version":[{"id":76047,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/76046\/revisions\/76047"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=76046"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=76046"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=76046"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}