{"id":4325,"date":"2023-07-21T13:20:43","date_gmt":"2023-07-21T05:20:43","guid":{"rendered":"https:\/\/www.zeroheart.xyz\/wordpress\/?p=4325"},"modified":"2023-07-21T13:49:38","modified_gmt":"2023-07-21T05:49:38","slug":"%e9%9b%aa%e8%8a%b1%e7%ae%97%e6%b3%95%e3%80%81%e8%87%aa%e5%a2%9eid%e3%80%81uuid","status":"publish","type":"post","link":"https:\/\/www.zeroheart.xyz\/wordpress\/?p=4325","title":{"rendered":"\u96ea\u82b1\u7b97\u6cd5\u3001\u81ea\u589eid\u3001uuid"},"content":{"rendered":"\n

MySQL \u81ea\u589e ID\u3001UUID \u548c\u96ea\u82b1\u7b97\u6cd5\uff08Snowflake\uff09\u90fd\u53ef\u4ee5\u7528\u6765\u751f\u6210\u552f\u4e00\u7684\u4e3b\u952e\uff0c\u4f46\u5b83\u4eec\u5404\u6709\u4f18\u70b9\u548c\u7f3a\u70b9\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u53ef\u80fd\u7684\u7406\u7531\uff0c\u4e3a\u4ec0\u4e48\u4e00\u4e9b\u7cfb\u7edf\u4f1a\u9009\u62e9\u96ea\u82b1\u7b97\u6cd5\u6765\u751f\u6210\u4e3b\u952e\uff0c\u800c\u4e0d\u662f\u4f7f\u7528 MySQL \u7684\u81ea\u589e ID \u6216 UUID\uff1a<\/p>\n\n\n\n

    \n
  1. \u5206\u5e03\u5f0f\u7cfb\u7edf\uff1a<\/strong> \u5728\u5206\u5e03\u5f0f\u7cfb\u7edf\u4e2d\uff0c\u7531\u4e8e\u6570\u636e\u5206\u5e03\u5728\u4e0d\u540c\u7684\u670d\u52a1\u5668\u4e0a\uff0c\u4f7f\u7528\u81ea\u589e ID \u4f5c\u4e3a\u4e3b\u952e\u53ef\u80fd\u4f1a\u4ea7\u751f\u51b2\u7a81\u3002\u5bf9\u4e8e\u96ea\u82b1\u7b97\u6cd5\uff0c\u7531\u4e8e\u5176\u8bbe\u8ba1\u80fd\u591f\u751f\u6210\u5168\u5c40\u552f\u4e00\u7684 ID\uff0c\u56e0\u6b64\u7279\u522b\u9002\u5408\u5206\u5e03\u5f0f\u7cfb\u7edf\u7684\u60c5\u51b5\u3002<\/li>\n\n\n\n
  2. \u53ef\u9884\u6d4b\u6027\uff1a<\/strong> \u81ea\u589e ID \u662f\u53ef\u9884\u6d4b\u7684\uff0c\u8fd9\u53ef\u80fd\u4f1a\u5e26\u6765\u5b89\u5168\u95ee\u9898\u3002\u653b\u51fb\u8005\u53ef\u4ee5\u901a\u8fc7\u9884\u6d4b ID \u6765\u5c1d\u8bd5\u8bbf\u95ee\u672a\u7ecf\u6388\u6743\u7684\u6570\u636e\u3002\u800c UUID \u548c\u96ea\u82b1\u7b97\u6cd5\u751f\u6210\u7684 ID \u90fd\u662f\u4e0d\u53ef\u9884\u6d4b\u7684\u3002<\/li>\n\n\n\n
  3. \u6027\u80fd\uff1a<\/strong> MySQL \u751f\u6210\u81ea\u589e ID \u9700\u8981\u7ef4\u62a4\u4e00\u4e2a\u5168\u5c40\u7684\u8ba1\u6570\u5668\uff0c\u8fd9\u53ef\u80fd\u4f1a\u6210\u4e3a\u6027\u80fd\u74f6\u9888\u3002\u5bf9\u4e8e\u96ea\u82b1\u7b97\u6cd5\uff0cID \u7684\u751f\u6210\u5b8c\u5168\u5728\u5185\u5b58\u4e2d\u5b8c\u6210\uff0c\u56e0\u6b64\u6027\u80fd\u8f83\u9ad8\u3002<\/li>\n\n\n\n
  4. \u6392\u5e8f\uff1a<\/strong> \u96ea\u82b1\u7b97\u6cd5\u751f\u6210\u7684 ID \u662f\u57fa\u4e8e\u65f6\u95f4\u7684\uff0c\u6240\u4ee5\u5b83\u4eec\u662f\u9012\u589e\u7684\uff0c\u8fd9\u5bf9\u4e8e\u9700\u8981\u6839\u636e\u521b\u5efa\u65f6\u95f4\u6392\u5e8f\u7684\u60c5\u51b5\u5f88\u6709\u7528\u3002\u800c UUID \u5219\u65e0\u6cd5\u63d0\u4f9b\u8fd9\u4e2a\u7279\u6027\u3002<\/li>\n\n\n\n
  5. \u5b58\u50a8\u7a7a\u95f4\uff1a<\/strong> UUID \u662f 128 \u4f4d\u7684\uff0c\u800c\u81ea\u589e ID \u548c\u96ea\u82b1\u7b97\u6cd5\u751f\u6210\u7684 ID \u901a\u5e38\u662f 64 \u4f4d\u7684\uff0c\u56e0\u6b64\uff0c\u4f7f\u7528 UUID \u4f1a\u5360\u7528\u66f4\u591a\u7684\u5b58\u50a8\u7a7a\u95f4\u3002<\/li>\n<\/ol>\n\n\n\n

    \u7efc\u4e0a\u6240\u8ff0\uff0c\u5982\u679c\u4f60\u7684\u7cfb\u7edf\u662f\u4e00\u4e2a\u9700\u8981\u751f\u6210\u5168\u5c40\u552f\u4e00\u3001\u4e0d\u53ef\u9884\u6d4b\u3001\u57fa\u4e8e\u65f6\u95f4\u7684\u3001\u9ad8\u6548\u4e14\u8282\u7701\u5b58\u50a8\u7a7a\u95f4\u7684 ID\uff0c\u90a3\u4e48\u96ea\u82b1\u7b97\u6cd5\u53ef\u80fd\u662f\u4e00\u4e2a\u66f4\u597d\u7684\u9009\u62e9\u3002\u4f46\u5982\u679c\u4f60\u7684\u7cfb\u7edf\u4e0d\u9700\u8981\u8fd9\u4e9b\u7279\u6027\uff0c\u90a3\u4e48\u4f7f\u7528 MySQL \u81ea\u589e ID \u6216 UUID \u53ef\u80fd\u5c31\u8db3\u591f\u4e86\u3002<\/p>\n\n\n\n

    uuid\u505a\u4e3b\u952e\u67e5\u8be2\u6548\u7387\u4f1a\u4f4e\u4e8e\u6570\u5b57\u5f62\u7684\u4e3b\u952e\u5417\uff1f<\/strong><\/p>\n\n\n\n

    \u5728\u5927\u591a\u6570\u60c5\u51b5\u4e0b\uff0cUUID\uff08Universally Unique Identifier\uff0c\u901a\u7528\u552f\u4e00\u6807\u8bc6\u7b26\uff09\u505a\u4e3b\u952e\u7684\u67e5\u8be2\u6548\u7387\u4f1a\u76f8\u5bf9\u4f4e\u4e8e\u6570\u5b57\u5f62\u5f0f\u7684\u4e3b\u952e\uff0c\u5c24\u5176\u5728\u5927\u89c4\u6a21\u6570\u636e\u548c\u9ad8\u5e76\u53d1\u7684\u573a\u666f\u4e0b\u3002\u8fd9\u662f\u7531\u4e8e UUID \u4e3b\u952e\u7684\u4e00\u4e9b\u7279\u70b9\u5bfc\u81f4\u7684\uff1a<\/p>\n\n\n\n

      \n
    1. \u7d22\u5f15\u5927\u5c0f<\/strong>\uff1a UUID \u662f\u4e00\u4e2a128\u4f4d\u7684\u5b57\u7b26\u4e32\uff0c\u800c\u6570\u5b57\u5f62\u5f0f\u7684\u4e3b\u952e\u901a\u5e38\u662f\u8f83\u77ed\u7684\u6574\u6570\u7c7b\u578b\uff08\u5982 int \u6216 long\uff09\u3002\u5728\u6570\u636e\u5e93\u4e2d\u5efa\u7acb\u7d22\u5f15\u65f6\uff0cUUID \u7684\u7d22\u5f15\u5927\u5c0f\u4f1a\u8fdc\u5927\u4e8e\u6570\u5b57\u5f62\u5f0f\u7684\u4e3b\u952e\uff0c\u8fd9\u5bfc\u81f4\u5728\u67e5\u8be2\u65f6\u9700\u8981\u66f4\u591a\u7684\u78c1\u76d8 I\/O\uff0c\u5f71\u54cd\u67e5\u8be2\u6548\u7387\u3002<\/li>\n\n\n\n
    2. \u968f\u673a\u6027<\/strong>\uff1a UUID \u662f\u6839\u636e\u4e00\u5b9a\u7b97\u6cd5\u751f\u6210\u7684\u5168\u5c40\u552f\u4e00\u6807\u8bc6\u7b26\uff0c\u5177\u6709\u968f\u673a\u6027\u3002\u5728\u6570\u636e\u5e93\u8868\u4e2d\uff0cUUID \u4e3b\u952e\u7684\u63d2\u5165\u987a\u5e8f\u662f\u968f\u673a\u7684\uff0c\u5bfc\u81f4\u6570\u636e\u5728\u7269\u7406\u4e0a\u4e0d\u8fde\u7eed\u5b58\u50a8\u3002\u8fd9\u6837\u7684\u5b58\u50a8\u7279\u6027\u53ef\u80fd\u589e\u52a0\u4e86\u6570\u636e\u5e93\u7684\u788e\u7247\uff0c\u5f71\u54cd\u67e5\u8be2\u6027\u80fd\u3002<\/li>\n\n\n\n
    3. B-Tree \u5206\u88c2<\/strong>\uff1a \u7531\u4e8e UUID \u7684\u968f\u673a\u6027\uff0c\u5f53\u8868\u4f7f\u7528 UUID \u4f5c\u4e3a\u4e3b\u952e\u5e76\u4e14\u6570\u636e\u63d2\u5165\u901f\u5ea6\u5f88\u5feb\u65f6\uff0c\u6570\u636e\u5e93\u7d22\u5f15\u53ef\u80fd\u4f1a\u9891\u7e41\u53d1\u751f B-Tree \u5206\u88c2\u3002B-Tree \u5206\u88c2\u4f1a\u5bfc\u81f4\u7d22\u5f15\u7684\u91cd\u5efa\u548c\u8c03\u6574\uff0c\u8fdb\u800c\u5f71\u54cd\u67e5\u8be2\u6027\u80fd\u3002<\/li>\n\n\n\n
    4. \u7f13\u5b58\u95ee\u9898<\/strong>\uff1a \u6570\u5b57\u5f62\u5f0f\u7684\u4e3b\u952e\u901a\u5e38\u53ef\u4ee5\u5229\u7528\u6570\u636e\u5e93\u7684\u6574\u6570\u81ea\u589e\u7279\u6027\uff0c\u800c UUID \u662f\u5168\u5c40\u552f\u4e00\u7684\uff0c\u65e0\u6cd5\u5229\u7528\u6570\u636e\u5e93\u81ea\u5e26\u7684\u81ea\u589e\u5e8f\u5217\u3002\u4e00\u4e9b\u6570\u636e\u5e93\u7684\u4e3b\u952e\u751f\u6210\u673a\u5236\u53ef\u80fd\u9700\u8981\u66f4\u591a\u7684\u8ba1\u7b97\u548c\u5904\u7406\uff0c\u5bfc\u81f4\u63d2\u5165\u548c\u67e5\u8be2\u6027\u80fd\u964d\u4f4e\u3002<\/li>\n<\/ol>\n\n\n\n

      \u867d\u7136 UUID \u4e3b\u952e\u67e5\u8be2\u6548\u7387\u76f8\u5bf9\u8f83\u4f4e\uff0c\u4f46 UUID \u5177\u6709\u5168\u5c40\u552f\u4e00\u6027\u7684\u4f18\u52bf\uff0c\u5bf9\u4e8e\u5206\u5e03\u5f0f\u7cfb\u7edf\u4e2d\u7684\u6570\u636e\u4e3b\u952e\u552f\u4e00\u6027\u8981\u6c42\u8f83\u9ad8\u7684\u60c5\u51b5\uff0c\u4f7f\u7528 UUID \u4e3b\u952e\u662f\u6bd4\u8f83\u5e38\u89c1\u7684\u505a\u6cd5\u3002\u5728\u5e94\u7528\u8bbe\u8ba1\u65f6\uff0c\u9700\u8981\u6743\u8861\u6570\u636e\u7684\u552f\u4e00\u6027\u9700\u6c42\u3001\u67e5\u8be2\u6027\u80fd\u9700\u6c42\u4ee5\u53ca\u6570\u636e\u5e93\u7684\u89c4\u6a21\u548c\u6027\u80fd\uff0c\u9009\u62e9\u9002\u5408\u7684\u4e3b\u952e\u7b56\u7565\u3002\u5982\u679c\u5728\u5e94\u7528\u4e2d\u4e0d\u9700\u8981\u5168\u5c40\u552f\u4e00\u6027\uff0c\u4e14\u67e5\u8be2\u6027\u80fd\u662f\u4e00\u4e2a\u91cd\u8981\u56e0\u7d20\uff0c\u6570\u5b57\u5f62\u5f0f\u7684\u4e3b\u952e\u53ef\u80fd\u662f\u66f4\u597d\u7684\u9009\u62e9\u3002<\/p>\n\n\n\n


      \u5728 MySQL \u4e2d\uff0c\u5e38\u7528\u7684\u7d22\u5f15\u6570\u636e\u7ed3\u6784\u4e3b\u8981\u6709\u4ee5\u4e0b\u51e0\u79cd\uff1a<\/p>\n\n\n\n

        \n
      1. B-Tree \u7d22\u5f15<\/strong>\uff1a B-Tree\uff08Balanced Tree\uff09\u7d22\u5f15\u662f MySQL \u6700\u5e38\u7528\u7684\u7d22\u5f15\u7c7b\u578b\uff0c\u4e5f\u662f\u9ed8\u8ba4\u7684\u7d22\u5f15\u7c7b\u578b\u3002B-Tree \u7d22\u5f15\u662f\u4e00\u79cd\u5e73\u8861\u6811\u6570\u636e\u7ed3\u6784\uff0c\u6bcf\u4e2a\u8282\u70b9\u5305\u542b\u591a\u4e2a\u952e\u503c\uff0c\u8282\u70b9\u4e4b\u95f4\u6309\u7167\u952e\u503c\u6392\u5e8f\u8fde\u63a5\u3002B-Tree \u7d22\u5f15\u9002\u7528\u4e8e\u7b49\u503c\u67e5\u8be2\u548c\u8303\u56f4\u67e5\u8be2\uff0c\u5177\u6709\u8f83\u597d\u7684\u67e5\u8be2\u6027\u80fd\u3002<\/li>\n\n\n\n
      2. B+Tree \u7d22\u5f15<\/strong>\uff1a B+Tree \u7d22\u5f15\u662f B-Tree \u7d22\u5f15\u7684\u4e00\u79cd\u53d8\u4f53\uff0c\u4e5f\u662f\u5e38\u7528\u7684\u7d22\u5f15\u7c7b\u578b\u3002B+Tree \u7d22\u5f15\u4e0e B-Tree \u7d22\u5f15\u76f8\u4f3c\uff0c\u4e0d\u540c\u4e4b\u5904\u5728\u4e8e B+Tree \u7d22\u5f15\u7684\u975e\u53f6\u5b50\u8282\u70b9\u53ea\u5b58\u50a8\u952e\u503c\u4fe1\u606f\uff0c\u800c\u53f6\u5b50\u8282\u70b9\u5305\u542b\u4e86\u6240\u6709\u7684\u952e\u503c\u6570\u636e\u3002\u8fd9\u4f7f\u5f97 B+Tree \u7d22\u5f15\u5728\u8303\u56f4\u67e5\u8be2\u548c\u6392\u5e8f\u7b49\u64cd\u4f5c\u4e0a\u5177\u6709\u66f4\u597d\u7684\u6027\u80fd\u3002<\/li>\n\n\n\n
      3. \u54c8\u5e0c\u7d22\u5f15<\/strong>\uff1a \u54c8\u5e0c\u7d22\u5f15\u4f7f\u7528\u54c8\u5e0c\u8868\u6765\u7ec4\u7ec7\u7d22\u5f15\u6570\u636e\uff0c\u9002\u7528\u4e8e\u7b49\u503c\u67e5\u8be2\u3002\u54c8\u5e0c\u7d22\u5f15\u5728\u67e5\u8be2\u6027\u80fd\u4e0a\u901a\u5e38\u6bd4 B-Tree \u7d22\u5f15\u5feb\uff0c\u4f46\u4e0d\u652f\u6301\u8303\u56f4\u67e5\u8be2\u548c\u6392\u5e8f\u3002<\/li>\n\n\n\n
      4. \u5168\u6587\u7d22\u5f15<\/strong>\uff1a \u5168\u6587\u7d22\u5f15\u7528\u4e8e\u5168\u6587\u641c\u7d22\uff0c\u80fd\u591f\u5bf9\u6587\u672c\u5185\u5bb9\u8fdb\u884c\u5173\u952e\u8bcd\u5339\u914d\u67e5\u8be2\u3002MySQL \u4e2d\u7684\u5168\u6587\u7d22\u5f15\u4e3b\u8981\u652f\u6301 MyISAM \u5b58\u50a8\u5f15\u64ce\u548c InnoDB \u5b58\u50a8\u5f15\u64ce\u3002<\/li>\n\n\n\n
      5. \u7a7a\u95f4\u7d22\u5f15<\/strong>\uff1a \u7a7a\u95f4\u7d22\u5f15\u7528\u4e8e\u5904\u7406\u7a7a\u95f4\u6570\u636e\u7c7b\u578b\uff08\u5982 Geometry\u3001Point \u7b49\uff09\uff0c\u652f\u6301\u7a7a\u95f4\u6570\u636e\u7684\u8303\u56f4\u67e5\u8be2\u3001\u7a7a\u95f4\u5173\u7cfb\u67e5\u8be2\u7b49\u3002<\/li>\n\n\n\n
      6. R-Tree \u7d22\u5f15<\/strong>\uff1a R-Tree \u7d22\u5f15\u662f\u7528\u4e8e\u7a7a\u95f4\u6570\u636e\u7c7b\u578b\u7684\u4e00\u79cd\u7279\u6b8a\u7d22\u5f15\uff0c\u9002\u7528\u4e8e\u5904\u7406\u591a\u7ef4\u6570\u636e\uff08\u5982\u5730\u7406\u5750\u6807\uff09\u7684\u8303\u56f4\u67e5\u8be2\u3002<\/li>\n<\/ol>\n\n\n\n

        \u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u6839\u636e\u6570\u636e\u8868\u7684\u7279\u6027\u548c\u67e5\u8be2\u9700\u6c42\uff0c\u9009\u62e9\u5408\u9002\u7684\u7d22\u5f15\u7c7b\u578b\u975e\u5e38\u91cd\u8981\u3002\u4e0d\u540c\u7684\u7d22\u5f15\u7c7b\u578b\u9002\u7528\u4e8e\u4e0d\u540c\u7684\u67e5\u8be2\u573a\u666f\uff0c\u826f\u597d\u7684\u7d22\u5f15\u8bbe\u8ba1\u53ef\u4ee5\u663e\u8457\u63d0\u9ad8\u67e5\u8be2\u6027\u80fd\u548c\u6570\u636e\u8bbf\u95ee\u6548\u7387\u3002\u540c\u65f6\uff0c\u7d22\u5f15\u7684\u8fc7\u591a\u6216\u8fc7\u5c11\u90fd\u53ef\u80fd\u5f71\u54cd\u6570\u636e\u5e93\u6027\u80fd\uff0c\u56e0\u6b64\u5728\u8bbe\u8ba1\u7d22\u5f15\u65f6\u9700\u8981\u4ed4\u7ec6\u8003\u8651\u548c\u5e73\u8861\u3002<\/p>\n\n\n\n

        \u4e3a\u4ec0\u4e48mysql\u4e2d\u6709B-Tree\u7d22\u5f15\u4e5f\u6709B+Tree\u7d22\u5f15\uff1f<\/strong><\/p>\n\n\n\n

        MySQL\u4e2d\u540c\u65f6\u652f\u6301B-Tree\u7d22\u5f15\u548cB+Tree\u7d22\u5f15\u662f\u56e0\u4e3a\u5b83\u4eec\u5206\u522b\u9002\u7528\u4e8e\u4e0d\u540c\u7684\u4f7f\u7528\u573a\u666f\u548c\u67e5\u8be2\u9700\u6c42\u3002\u867d\u7136\u540d\u79f0\u4e0a\u6709\u4e9b\u7c7b\u4f3c\uff0c\u4f46\u5b83\u4eec\u6709\u4e00\u4e9b\u533a\u522b\uff0c\u5206\u522b\u6ee1\u8db3\u4e0d\u540c\u7684\u7d22\u5f15\u9700\u6c42\uff1a<\/p>\n\n\n\n

          \n
        1. B-Tree\u7d22\u5f15<\/strong>\uff1a B-Tree\u7d22\u5f15\u662f\u4e00\u4e2a\u5e73\u8861\u6811\u7ed3\u6784\uff0c\u901a\u5e38\u7528\u4e8e\u975e\u53f6\u5b50\u8282\u70b9\u548c\u53f6\u5b50\u8282\u70b9\u90fd\u5b58\u50a8\u952e\u503c\u3002\u5728MySQL\u4e2d\uff0cMyISAM\u5b58\u50a8\u5f15\u64ce\u4f7f\u7528B-Tree\u7d22\u5f15\uff0c\u5b83\u9002\u7528\u4e8e\u9759\u6001\u6570\u636e\u6216\u8005\u5c11\u91cf\u66f4\u65b0\u7684\u6570\u636e\u8868\u3002B-Tree\u7d22\u5f15\u80fd\u591f\u52a0\u901f\u7b49\u503c\u67e5\u8be2\u548c\u8303\u56f4\u67e5\u8be2\uff0c\u4f46\u5bf9\u4e8e\u6709\u9891\u7e41\u66f4\u65b0\u7684\u6570\u636e\u8868\uff0c\u5728\u63d2\u5165\u548c\u5220\u9664\u64cd\u4f5c\u65f6\u9700\u8981\u5bf9\u7d22\u5f15\u8fdb\u884c\u9891\u7e41\u7684\u66f4\u65b0\uff0c\u53ef\u80fd\u4f1a\u5bfc\u81f4\u7d22\u5f15\u7ef4\u62a4\u7684\u5f00\u9500\u8f83\u5927\u3002<\/li>\n\n\n\n
        2. B+Tree\u7d22\u5f15<\/strong>\uff1a B+Tree\u7d22\u5f15\u662f\u4e00\u79cd\u7279\u6b8a\u7684B-Tree\u7d22\u5f15\uff0c\u5b83\u53ea\u5728\u53f6\u5b50\u8282\u70b9\u4e0a\u5b58\u50a8\u952e\u503c\u6570\u636e\uff0c\u800c\u975e\u53f6\u5b50\u8282\u70b9\u4ec5\u5b58\u50a8\u952e\u503c\u3002\u5728MySQL\u4e2d\uff0cInnoDB\u5b58\u50a8\u5f15\u64ce\u4f7f\u7528B+Tree\u7d22\u5f15\uff0c\u9ed8\u8ba4\u60c5\u51b5\u4e0b\u4f1a\u4e3a\u8868\u7684\u4e3b\u952e\u81ea\u52a8\u521b\u5efaB+Tree\u7d22\u5f15\u3002B+Tree\u7d22\u5f15\u5728\u8303\u56f4\u67e5\u8be2\u3001\u6392\u5e8f\u3001\u5206\u7ec4\u7b49\u64cd\u4f5c\u4e0a\u6709\u8f83\u597d\u7684\u6027\u80fd\uff0c\u9002\u7528\u4e8e\u9ad8\u5ea6\u52a8\u6001\u7684\u6570\u636e\u8868\uff0c\u5b83\u901a\u8fc7\u591a\u7ea7\u7d22\u5f15\u7ed3\u6784\u51cf\u5c11\u4e86\u9891\u7e41\u66f4\u65b0\u65f6\u7684\u7d22\u5f15\u7ef4\u62a4\u5f00\u9500\u3002<\/li>\n<\/ol>\n\n\n\n

          \u867d\u7136B-Tree\u7d22\u5f15\u548cB+Tree\u7d22\u5f15\u7684\u6570\u636e\u7ed3\u6784\u6709\u6240\u4e0d\u540c\uff0c\u4f46\u5b83\u4eec\u5728\u4e00\u4e9b\u573a\u666f\u4e0b\u53ef\u4ee5\u4e92\u76f8\u66ff\u4ee3\u3002\u4e0d\u8fc7\uff0cInnoDB\u5b58\u50a8\u5f15\u64ce\u4f5c\u4e3aMySQL\u7684\u9ed8\u8ba4\u5b58\u50a8\u5f15\u64ce\uff0c\u4e00\u822c\u60c5\u51b5\u4e0b\u63a8\u8350\u4f7f\u7528B+Tree\u7d22\u5f15\uff0c\u7279\u522b\u662f\u5bf9\u4e8e\u4e8b\u52a1\u5904\u7406\u548c\u9ad8\u5e76\u53d1\u5e94\u7528\u3002\u5728\u9009\u62e9\u7d22\u5f15\u7c7b\u578b\u65f6\uff0c\u9700\u8981\u6839\u636e\u5177\u4f53\u7684\u5e94\u7528\u9700\u6c42\u548c\u8868\u7684\u7279\u70b9\u6765\u7efc\u5408\u8003\u8651\u3002<\/p>\n\n\n\n

          <\/p>\n","protected":false},"excerpt":{"rendered":"

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