{"id":200285,"date":"2025-05-06T09:38:38","date_gmt":"2025-05-06T01:38:38","guid":{"rendered":"https:\/\/server.hk\/cnblog\/200285\/"},"modified":"2025-05-06T09:38:38","modified_gmt":"2025-05-06T01:38:38","slug":"innodb-%e4%b8%ad%e7%a9%ba%e5%88%97%e5%a6%82%e4%bd%95%e8%8a%82%e7%9c%81%e5%ad%98%e5%82%a8%e7%a9%ba%e9%97%b4%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/200285\/","title":{"rendered":"InnoDB \u4e2d\u7a7a\u5217\u5982\u4f55\u8282\u7701\u5b58\u50a8\u7a7a\u95f4\uff1f"},"content":{"rendered":"<p><b><\/b> <\/p>\n<h1>InnoDB \u4e2d\u7a7a\u5217\u5982\u4f55\u8282\u7701\u5b58\u50a8\u7a7a\u95f4\uff1f<\/h1>\n<p>\u4f60\u5728\u5b66\u4e60\u76f8\u5173\u7684\u77e5\u8bc6\u5417\uff1f\u672c\u6587\uff0c\u4e3b\u8981\u4ecb\u7ecd\u7684\u5185\u5bb9\u5c31\u6d89\u53ca\u5230\uff0c\u5982\u679c\u4f60\u60f3\u63d0\u5347\u81ea\u5df1\u7684\u5f00\u53d1\u80fd\u529b\uff0c\u5c31\u4e0d\u8981\u9519\u8fc7\u8fd9\u7bc7\u6587\u7ae0\uff0c\u5927\u5bb6\u8981\u77e5\u9053\u7f16\u7a0b\u7406\u8bba\u57fa\u7840\u548c\u5b9e\u6218\u64cd\u4f5c\u90fd\u662f\u4e0d\u53ef\u6216\u7f3a\u7684\u54e6\uff01<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241031\/173034959267230a18971d2.jpg\" class=\"aligncenter\"><\/p>\n<p><strong>InnoDB \u4e2d\u7a7a\u5217\u7684\u5b58\u50a8\u5360\u7528<\/strong><\/p>\n<p>InnoDB \u4e2d\uff0c\u7a7a\u5217\u7684\u5b58\u50a8\u5360\u7528\u65b9\u5f0f\u4e0e\u6211\u4eec\u901a\u5e38\u7684\u8ba4\u77e5\u4e0d\u540c\u3002\u4e0e\u5176\u4ed6\u6570\u636e\u5e93\u4e0d\u540c\uff0cInnoDB \u4e0d\u4f1a\u4e3a null \u503c\u5206\u914d\u5b57\u8282\u3002\u800c\u662f\u91c7\u7528\u79f0\u4e3a\u300c\u7a7a\u503c\u5217\u8868\u300d\u7684\u6280\u5de7\u3002<\/p>\n<p><strong>\u7a7a\u503c\u5217\u8868\u673a\u5236<\/strong><\/p>\n<p>\u7a7a\u503c\u5217\u8868\u672c\u8d28\u4e0a\u662f\u4e00\u4e2a\u5b57\u8282\u6570\u7ec4\u3002\u6bcf\u4e2a\u5b57\u8282\u4e2d\u7684\u6bcf\u4e2a\u6bd4\u7279\uff08bit\uff09\u4ee3\u8868\u4e00\u4e2a\u53ef\u7a7a\u5217\u3002\u82e5\u6bd4\u7279\u4e3a 0\uff0c\u5219\u4ee3\u8868\u8be5\u5217\u4e3a\u7a7a\uff1b\u82e5\u6bd4\u7279\u4e3a 1\uff0c\u5219\u4ee3\u8868\u8be5\u5217\u975e\u7a7a\u3002<\/p>\n<p><strong>\u7a7a\u5217\u7684\u5b58\u50a8\u5360\u7528<\/strong><\/p>\n<p>\u5982\u679c\u4e00\u4e2a long long \u7c7b\u578b\u7684\u5217\u4e3a\u7a7a\uff0c\u90a3\u4e48\u5b83\u5728\u7a7a\u503c\u5217\u8868\u4e2d\u53ea\u5360\u7528\u4e00\u4e2a\u6bd4\u7279\uff0c\u5373 1\/8 \u5b57\u8282\u3002\u56e0\u6b64\uff0c\u5b83\u5b9e\u9645\u4e0a\u4e0d\u4f1a\u6d6a\u8d39 8 \u4e2a\u5b57\u8282\uff0c\u800c\u662f\u8282\u7701\u4e86\u5927\u91cf\u5b58\u50a8\u7a7a\u95f4\u3002<\/p>\n<p><strong>\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c<\/strong>\u5982\u679c\u4e00\u5f20\u8868\u4e2d\u6709\u8bb8\u591a\u7a7a\u5217\uff0c\u7a7a\u503c\u5217\u8868\u53ef\u80fd\u4f1a\u53d8\u5f97\u5f88\u5927\u3002\u4e3a\u4e86\u89e3\u51b3\u8fd9\u4e2a\u95ee\u9898\uff0cInnoDB \u91c7\u7528\u4e86\u538b\u7f29\u6280\u672f\u6765\u51cf\u5c0f\u7a7a\u503c\u5217\u8868\u7684\u5927\u5c0f\u3002<\/p>\n<p>\u672c\u7bc7\u5173\u4e8e\u300aInnoDB \u4e2d\u7a7a\u5217\u5982\u4f55\u8282\u7701\u5b58\u50a8\u7a7a\u95f4\uff1f\u300b\u7684\u4ecb\u7ecd\u5c31\u5230\u6b64\u7ed3\u675f\u5566\uff0c\u4f46\u662f\u5b66\u65e0\u6b62\u5883\uff0c\u60f3\u8981\u4e86\u89e3\u5b66\u4e60\u66f4\u591a\u5173\u4e8e\u6570\u636e\u5e93\u7684\u76f8\u5173\u77e5\u8bc6\uff0c\u8bf7\u5173\u6ce8\u4e3b\u673a\u5b9d\u8d1d\u516c\u4f17\u53f7\uff01<\/p>\n<dl>\n<dt>\n <\/dt>\n<\/dl>\n","protected":false},"excerpt":{"rendered":"<p>InnoDB \u4e2d\u7a7a\u5217\u5982\u4f55\u8282\u7701\u5b58\u50a8&#46;&#46;&#46;<\/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-200285","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/200285","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=200285"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/200285\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=200285"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=200285"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=200285"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}