{"id":6372,"date":"2024-11-14T09:08:30","date_gmt":"2024-11-14T01:08:30","guid":{"rendered":"https:\/\/fwq.ai\/blog\/6372\/"},"modified":"2024-11-14T09:08:30","modified_gmt":"2024-11-14T01:08:30","slug":"mysql%e6%95%b0%e6%8d%ae%e5%ba%93%e4%bc%98%e5%8c%96%e6%95%99%e7%a8%8b","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/6372\/","title":{"rendered":"mysql\u6570\u636e\u5e93\u4f18\u5316\u6559\u7a0b"},"content":{"rendered":"<blockquote><p>\n  \u6570\u636e\u5e93\u4f18\u5316\u6982\u8ff0\uff1a\u2014\u2014\u901a\u8fc7\u4f18\u5316\u67e5\u8be2\u3001\u7d22\u5f15\u3001\u8868\u7ed3\u6784\u3001\u786c\u4ef6\u7b49\u65b9\u9762\uff0c\u63d0\u5347\u6570\u636e\u5e93\u6027\u80fd\u3002\u4e3b\u8981\u4f18\u5316\u6280\u672f\uff1a\u4f7f\u7528\u7d22\u5f15\u3002\u4f18\u5316\u67e5\u8be2\u8bed\u53e5\u3002\u7f13\u5b58\u67e5\u8be2\u7ed3\u679c\u3002\u521b\u5efa\u9002\u5f53\u7684\u7d22\u5f15\u3002\u4f7f\u7528\u7ec4\u5408\u7d22\u5f15\u3002\u907f\u514d\u4e0d\u5fc5\u8981\u7684\u7d22\u5f15\u3002\u9009\u62e9\u5408\u9002\u7684\u8868\u7c7b\u578b\u3002\u89c4\u8303\u5316\u6570\u636e\u3002\u4f7f\u7528\u9002\u5f53\u7684\u6570\u636e\u7c7b\u578b\u3002\u589e\u52a0\u5185\u5b58\u3002\u4f7f\u7528 ssd\u3002\u4f18\u5316 i\/o \u8c03\u5ea6\u7a0b\u5e8f\u3002\u5b9a\u671f\u6e05\u7406\u6570\u636e\u5e93\u3002\u76d1\u63a7\u6570\u636e\u5e93\u6d3b\u52a8\u3002\u6301\u7eed\u4f18\u5316\u3002\n<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202408\/01\/2024080103133666235.jpg\" class=\"aligncenter\" title=\"mysql\u6570\u636e\u5e93\u4f18\u5316\u6559\u7a0b\u63d2\u56fe\" alt=\"mysql\u6570\u636e\u5e93\u4f18\u5316\u6559\u7a0b\u63d2\u56fe\" \/><\/p>\n<p><strong>MySQL \u6570\u636e\u5e93\u4f18\u5316\u6559\u7a0b<\/strong><\/p>\n<p><strong>\u6570\u636e\u5e93\u4f18\u5316\u6982\u8ff0<\/strong><\/p>\n<p>\u6570\u636e\u5e93\u4f18\u5316\u662f\u6307\u901a\u8fc7\u5404\u79cd\u65b9\u6cd5\u548c\u6280\u672f\u63d0\u5347\u6570\u636e\u5e93\u6027\u80fd\u548c\u6548\u7387\u7684\u8fc7\u7a0b\u3002\u5b83\u6d89\u53ca\u4f18\u5316\u67e5\u8be2\u3001\u7d22\u5f15\u3001\u8868\u7ed3\u6784\u3001\u786c\u4ef6\u548c\u5176\u4ed6\u65b9\u9762\uff0c\u4ee5\u51cf\u5c11\u5ef6\u8fdf\u5e76\u63d0\u9ad8\u541e\u5410\u91cf\u3002<\/p>\n<p><strong>\u67e5\u8be2\u4f18\u5316<\/strong><\/p>\n<ul>\n<li> <strong>\u4f7f\u7528\u7d22\u5f15\uff1a<\/strong>\u7d22\u5f15\u662f\u7528\u4e8e\u52a0\u901f\u67e5\u8be2\u7684\u7279\u6b8a\u6570\u636e\u7ed3\u6784\uff0c\u53ef\u5feb\u901f\u67e5\u627e\u6570\u636e\u8bb0\u5f55\u3002\u521b\u5efa\u9002\u5f53\u7684\u7d22\u5f15\u53ef\u4ee5\u663e\u8457\u63d0\u9ad8\u67e5\u8be2\u901f\u5ea6\u3002<\/li>\n<li> <strong>\u4f18\u5316\u67e5\u8be2\u8bed\u53e5\uff1a<\/strong>\u4f7f\u7528\u9002\u5f53\u7684 JOIN \u7c7b\u578b\uff08\u4f8b\u5982 INNER JOIN\u3001LEFT JOIN\uff09\u3001\u5c3d\u53ef\u80fd\u4f7f\u7528\u5b50\u67e5\u8be2\uff0c\u5e76\u907f\u514d\u4f7f\u7528\u4e0d\u5fc5\u8981\u7684\u6392\u5e8f\u6216\u5206\u7ec4\u3002<\/li>\n<li> <strong>\u7f13\u5b58\u67e5\u8be2\u7ed3\u679c\uff1a<\/strong>\u901a\u8fc7\u4f7f\u7528\u67e5\u8be2\u7f13\u5b58\u6216\u5176\u4ed6\u6280\u672f\uff0c\u53ef\u4ee5\u907f\u514d\u91cd\u590d\u6267\u884c\u76f8\u540c\u7684\u67e5\u8be2\u3002<\/li>\n<\/ul>\n<p><strong>\u7d22\u5f15\u4f18\u5316<\/strong><\/p>\n<ul>\n<li> <strong>\u521b\u5efa\u9002\u5f53\u7684\u7d22\u5f15\uff1a<\/strong>\u6839\u636e\u67e5\u8be2\u6a21\u5f0f\u4e3a\u7ecf\u5e38\u8bbf\u95ee\u7684\u5b57\u6bb5\u548c\u8868\u521b\u5efa\u7d22\u5f15\u3002<\/li>\n<li> <strong>\u4f7f\u7528\u7ec4\u5408\u7d22\u5f15\uff1a<\/strong>\u5bf9\u4e8e\u7ecf\u5e38\u4e00\u8d77\u67e5\u8be2\u7684\u5b57\u6bb5\uff0c\u521b\u5efa\u7ec4\u5408\u7d22\u5f15\u53ef\u4ee5\u8fdb\u4e00\u6b65\u63d0\u9ad8\u6027\u80fd\u3002<\/li>\n<li> <strong>\u907f\u514d\u4e0d\u5fc5\u8981\u7684\u7d22\u5f15\uff1a<\/strong>\u8fc7\u591a\u7684\u7d22\u5f15\u4f1a\u964d\u4f4e\u63d2\u5165\u548c\u66f4\u65b0\u64cd\u4f5c\u7684\u6027\u80fd\u3002\u53ea\u4e3a\u5fc5\u8981\u7684\u5b57\u6bb5\u521b\u5efa\u7d22\u5f15\u3002<\/li>\n<\/ul>\n<p><strong>\u8868\u7ed3\u6784\u4f18\u5316<\/strong><\/p>\n<ul>\n<li> <strong>\u9009\u62e9\u5408\u9002\u7684\u8868\u7c7b\u578b\uff1a<\/strong>\u6839\u636e\u6570\u636e\u7c7b\u578b\u548c\u8bbf\u95ee\u6a21\u5f0f\u9009\u62e9\u5408\u9002\u7684\u8868\u7c7b\u578b\uff0c\u4f8b\u5982 InnoDB \u6216 MyISAM\u3002<\/li>\n<li> <strong>\u89c4\u8303\u5316\u6570\u636e\uff1a<\/strong>\u5c06\u6570\u636e\u62c6\u5206\u6210\u591a\u4e2a\u8868\u4ee5\u6d88\u9664\u91cd\u590d\u548c\u63d0\u9ad8\u6027\u80fd\u3002<\/li>\n<li> <strong>\u4f7f\u7528\u9002\u5f53\u7684\u6570\u636e\u7c7b\u578b\uff1a<\/strong>\u9009\u62e9\u5408\u9002\u7684\u5b57\u6bb5\u6570\u636e\u7c7b\u578b\u4ee5\u5b58\u50a8\u6570\u636e\uff0c\u4ee5\u8282\u7701\u7a7a\u95f4\u5e76\u63d0\u9ad8\u6027\u80fd\u3002<\/li>\n<\/ul>\n<p><strong>\u786c\u4ef6\u4f18\u5316<\/strong><\/p>\n<ul>\n<li> <strong>\u589e\u52a0\u5185\u5b58\uff1a<\/strong>\u8db3\u591f\u7684\u5185\u5b58\u53ef\u4ee5\u7f13\u5b58\u66f4\u591a\u6570\u636e\u548c\u67e5\u8be2\u7ed3\u679c\uff0c\u4ece\u800c\u51cf\u5c11\u78c1\u76d8 I\/O \u5e76\u63d0\u9ad8\u6027\u80fd\u3002<\/li>\n<li> <strong>\u4f7f\u7528 SSD\uff1a<\/strong>\u56fa\u6001\u786c\u76d8 (SSD) \u6bd4\u4f20\u7edf\u786c\u76d8\u901f\u5ea6\u66f4\u5feb\uff0c\u53ef\u4ee5\u663e\u8457\u51cf\u5c11 I\/O \u5ef6\u8fdf\u3002<\/li>\n<li> <strong>\u4f18\u5316 I\/O \u8c03\u5ea6\u7a0b\u5e8f\uff1a<\/strong>\u4f7f\u7528\u4e13\u95e8\u7684 I\/O \u8c03\u5ea6\u7a0b\u5e8f\u53ef\u4ee5\u4f18\u5316\u6570\u636e\u8bfb\u5199\u987a\u5e8f\uff0c\u63d0\u9ad8\u6027\u80fd\u3002<\/li>\n<\/ul>\n<p><strong>\u5176\u4ed6\u4f18\u5316\u6280\u5de7<\/strong><\/p>\n<ul>\n<li> <strong>\u5b9a\u671f\u6e05\u7406\u6570\u636e\u5e93\uff1a<\/strong>\u5220\u9664\u4e0d\u5fc5\u8981\u7684\u6570\u636e\u6216\u8868\u4ee5\u91ca\u653e\u7a7a\u95f4\u5e76\u63d0\u9ad8\u6027\u80fd\u3002<\/li>\n<li> <strong>\u76d1\u63a7\u6570\u636e\u5e93\u6d3b\u52a8\uff1a<\/strong>\u4f7f\u7528\u5de5\u5177\u76d1\u63a7\u6570\u636e\u5e93\u6d3b\u52a8\uff0c\u67e5\u627e\u6027\u80fd\u74f6\u9888\u5e76\u91c7\u53d6\u63aa\u65bd\u6539\u8fdb\u3002<\/li>\n<li> <strong>\u6301\u7eed\u4f18\u5316\uff1a<\/strong>\u6570\u636e\u5e93\u4f18\u5316\u662f\u4e00\u4e2a\u6301\u7eed\u7684\u8fc7\u7a0b\uff0c\u9700\u8981\u4e0d\u65ad\u5ba1\u67e5\u548c\u8c03\u6574\u4ee5\u4fdd\u6301\u6700\u4f73\u6027\u80fd\u3002<\/li>\n<\/ul>\n<p>\u4ee5\u4e0a\u5c31\u662f\u6570\u636e\u5e93\u4f18\u5316\u6559\u7a0b\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8\u7c73\u4e91\u7f51\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6570\u636e\u5e93\u4f18\u5316\u6982\u8ff0\uff1a\u2014\u2014\u901a\u8fc7\u4f18\u5316\u67e5\u8be2\u3001\u7d22\u5f15\u3001\u8868\u7ed3\u6784\u3001\u786c\u4ef6\u7b49\u65b9\u9762\uff0c\u63d0\u5347\u6570\u636e\u5e93\u6027\u80fd\u3002\u4e3b\u8981\u4f18\u5316\u6280\u672f\uff1a\u4f7f\u7528\u7d22\u5f15\u3002\u4f18\u5316\u67e5\u8be2\u8bed\u53e5\u3002\u7f13\u5b58\u67e5\u8be2\u7ed3\u679c\u3002\u521b\u5efa\u9002\u5f53\u7684\u7d22\u5f15\u3002\u4f7f\u7528\u7ec4\u5408\u7d22\u5f15\u3002\u907f\u514d\u4e0d\u5fc5\u8981\u7684\u7d22\u5f15\u3002\u9009\u62e9\u5408\u9002\u7684\u8868\u7c7b\u578b\u3002\u89c4\u8303\u5316\u6570\u636e\u3002\u4f7f\u7528\u9002\u5f53\u7684\u6570\u636e\u7c7b\u578b\u3002\u589e\u52a0\u5185\u5b58\u3002\u4f7f\u7528 ssd\u3002\u4f18\u5316 i\/o \u8c03\u5ea6\u7a0b\u5e8f\u3002\u5b9a\u671f\u6e05\u7406\u6570\u636e\u5e93\u3002\u76d1\u63a7\u6570\u636e\u5e93\u6d3b\u52a8\u3002\u6301\u7eed\u4f18\u5316\u3002 MySQL \u6570\u636e\u5e93\u4f18\u5316\u6559\u7a0b \u6570\u636e\u5e93\u4f18\u5316\u6982\u8ff0 \u6570\u636e\u5e93\u4f18\u5316\u662f\u6307\u901a\u8fc7\u5404\u79cd\u65b9\u6cd5\u548c\u6280\u672f\u63d0\u5347\u6570\u636e\u5e93\u6027\u80fd\u548c\u6548\u7387\u7684\u8fc7\u7a0b\u3002\u5b83\u6d89\u53ca\u4f18\u5316\u67e5\u8be2\u3001\u7d22\u5f15\u3001\u8868\u7ed3\u6784\u3001\u786c\u4ef6\u548c\u5176\u4ed6\u65b9\u9762\uff0c\u4ee5\u51cf\u5c11\u5ef6\u8fdf\u5e76\u63d0\u9ad8\u541e\u5410\u91cf\u3002 \u67e5\u8be2\u4f18\u5316 \u4f7f\u7528\u7d22\u5f15\uff1a\u7d22\u5f15\u662f\u7528\u4e8e\u52a0\u901f\u67e5\u8be2\u7684\u7279\u6b8a\u6570\u636e\u7ed3\u6784\uff0c\u53ef\u5feb\u901f\u67e5\u627e\u6570\u636e\u8bb0\u5f55\u3002\u521b\u5efa\u9002\u5f53\u7684\u7d22\u5f15\u53ef\u4ee5\u663e\u8457\u63d0\u9ad8\u67e5\u8be2\u901f\u5ea6\u3002 \u4f18\u5316\u67e5\u8be2\u8bed\u53e5\uff1a\u4f7f\u7528\u9002\u5f53\u7684 JOIN \u7c7b\u578b\uff08\u4f8b\u5982 INNER JOIN\u3001LEFT JOIN\uff09\u3001\u5c3d\u53ef\u80fd\u4f7f\u7528\u5b50\u67e5\u8be2\uff0c\u5e76\u907f\u514d\u4f7f\u7528\u4e0d\u5fc5\u8981\u7684\u6392\u5e8f\u6216\u5206\u7ec4\u3002 \u7f13\u5b58\u67e5\u8be2\u7ed3\u679c\uff1a\u901a\u8fc7\u4f7f\u7528\u67e5\u8be2\u7f13\u5b58\u6216\u5176\u4ed6\u6280\u672f\uff0c\u53ef\u4ee5\u907f\u514d\u91cd\u590d\u6267\u884c\u76f8\u540c\u7684\u67e5\u8be2\u3002 \u7d22\u5f15\u4f18\u5316 \u521b\u5efa\u9002\u5f53\u7684\u7d22\u5f15\uff1a\u6839\u636e\u67e5\u8be2\u6a21\u5f0f\u4e3a\u7ecf\u5e38\u8bbf\u95ee\u7684\u5b57\u6bb5\u548c\u8868\u521b\u5efa\u7d22\u5f15\u3002 \u4f7f\u7528\u7ec4\u5408\u7d22\u5f15\uff1a\u5bf9\u4e8e\u7ecf\u5e38\u4e00\u8d77\u67e5\u8be2\u7684\u5b57\u6bb5\uff0c\u521b\u5efa\u7ec4\u5408\u7d22\u5f15\u53ef\u4ee5\u8fdb\u4e00\u6b65\u63d0\u9ad8\u6027\u80fd\u3002 \u907f\u514d\u4e0d\u5fc5\u8981\u7684\u7d22\u5f15\uff1a\u8fc7\u591a\u7684\u7d22\u5f15\u4f1a\u964d\u4f4e\u63d2\u5165\u548c\u66f4\u65b0\u64cd\u4f5c\u7684\u6027\u80fd\u3002\u53ea\u4e3a\u5fc5\u8981\u7684\u5b57\u6bb5\u521b\u5efa\u7d22\u5f15\u3002 \u8868\u7ed3\u6784\u4f18\u5316 \u9009\u62e9\u5408\u9002\u7684\u8868\u7c7b\u578b\uff1a\u6839\u636e\u6570\u636e\u7c7b\u578b\u548c\u8bbf\u95ee\u6a21\u5f0f\u9009\u62e9\u5408\u9002\u7684\u8868\u7c7b\u578b\uff0c\u4f8b\u5982 InnoDB \u6216 MyISAM\u3002 \u89c4\u8303\u5316\u6570\u636e\uff1a\u5c06\u6570\u636e\u62c6\u5206\u6210\u591a\u4e2a\u8868\u4ee5\u6d88\u9664\u91cd\u590d\u548c\u63d0\u9ad8\u6027\u80fd\u3002 \u4f7f\u7528\u9002\u5f53\u7684\u6570\u636e\u7c7b\u578b\uff1a\u9009\u62e9\u5408\u9002\u7684\u5b57\u6bb5\u6570\u636e\u7c7b\u578b\u4ee5\u5b58\u50a8\u6570\u636e\uff0c\u4ee5\u8282\u7701\u7a7a\u95f4\u5e76\u63d0\u9ad8\u6027\u80fd\u3002 \u786c\u4ef6\u4f18\u5316 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