“`\u53c2\u8003\u56de\u7b54\uff1a<\/p>\n
1\u3001MySQL\u5f15\u64ce<\/p>\n
MySQL\u4e2d\u7684\u6570\u636e\u7528\u5404\u79cd\u4e0d\u540c\u7684\u6280\u672f\u5b58\u50a8\u5728\u6587\u4ef6\uff08\u6216\u8005\u5185\u5b58\uff09\u4e2d\u3002\u8fd9\u4e9b\u6280\u672f\u4e2d\u7684\u6bcf\u4e00\u79cd\u6280\u672f\u90fd\u4f7f\u7528\u4e0d\u540c\u7684\u5b58\u50a8\u673a\u5236\u3001\u7d22\u5f15\u6280\u5de7\u3001\u9501\u5b9a\u6c34\u5e73\u5e76\u4e14\u6700\u7ec8\u63d0\u4f9b\u5e7f\u6cdb\u7684\u4e0d\u540c\u7684\u529f\u80fd\u548c\u80fd\u529b\u3002\u901a\u8fc7\u9009\u62e9\u4e0d\u540c\u7684\u6280\u672f\uff0c\u4f60\u80fd\u591f\u83b7\u5f97\u989d\u5916\u7684\u901f\u5ea6\u6216\u8005\u529f\u80fd\uff0c\u4ece\u800c\u6539\u5584\u4f60\u7684\u5e94\u7528\u7684\u6574\u4f53\u529f\u80fd\u3002<\/p>\n
\u6570\u636e\u5e93\u5f15\u64ce\u662f\u7528\u4e8e\u5b58\u50a8\u3001\u5904\u7406\u548c\u4fdd\u62a4\u6570\u636e\u7684\u6838\u5fc3\u670d\u52a1\u3002\u5229\u7528\u6570\u636e\u5e93\u5f15\u64ce\u53ef\u63a7\u5236\u8bbf\u95ee\u6743\u9650\u5e76\u5feb\u901f\u5904\u7406\u4e8b\u52a1\uff0c\u4ece\u800c\u6ee1\u8db3\u4f01\u4e1a\u5185\u5927\u591a\u6570\u9700\u8981\u5904\u7406\u5927\u91cf\u6570\u636e\u7684\u5e94\u7528\u7a0b\u5e8f\u7684\u8981\u6c42\u3002\u4f7f\u7528\u6570\u636e\u5e93\u5f15\u64ce\u521b\u5efa\u7528\u4e8e\u8054\u673a\u4e8b\u52a1\u5904\u7406\u6216\u8054\u673a\u5206\u6790\u5904\u7406\u6570\u636e\u7684\u5173\u7cfb\u6570\u636e\u5e93\u3002\u8fd9\u5305\u62ec\u521b\u5efa\u7528\u4e8e\u5b58\u50a8\u6570\u636e\u7684\u8868\u548c\u7528\u4e8e\u67e5\u770b\u3001\u7ba1\u7406\u548c\u4fdd\u62a4\u6570\u636e\u5b89\u5168\u7684\u6570\u636e\u5e93\u5bf9\u8c61\uff08\u5982\u7d22\u5f15\u3001\u89c6\u56fe\u548c\u5b58\u50a8\u8fc7\u7a0b\uff09\u3002<\/p>\n
MySQL\u5b58\u50a8\u5f15\u64ce\u4e3b\u8981\u6709\uff1a MyIsam\u3001InnoDB\u3001Memory\u3001Blackhole\u3001CSV\u3001Performance_Schema\u3001Archive\u3001Federated\u3001Mrg_Myisam\u3002<\/p>\n
\u4f46\u662f\u6700\u5e38\u7528\u7684\u662fInnoDB\u548cMylsam\u3002<\/p>\n
2\u3001InnoDB<\/p>\n
InnoDB\u662f\u4e00\u4e2a\u4e8b\u52a1\u578b\u7684\u5b58\u50a8\u5f15\u64ce\uff0c\u6709\u884c\u7ea7\u9501\u5b9a\u548c\u5916\u952e\u7ea6\u675f\u3002<\/p>\n
Innodb\u5f15\u64ce\u63d0\u4f9b\u4e86\u5bf9\u6570\u636e\u5e93ACID\u4e8b\u52a1\u7684\u652f\u6301\uff0c\u5e76\u4e14\u5b9e\u73b0\u4e86SQL\u6807\u51c6\u7684\u56db\u79cd\u9694\u79bb\u7ea7\u522b\uff0c\u5173\u4e8e\u6570\u636e\u5e93\u4e8b\u52a1\u4e0e\u5176\u9694\u79bb\u7ea7\u522b\u7684\u5185\u5bb9\u8bf7\u89c1\u6570\u636e\u5e93\u4e8b\u52a1\u4e0e\u5176\u9694\u79bb\u7ea7\u522b\u8fd9\u7c7b\u578b\u7684\u6587\u7ae0\u3002\u8be5\u5f15\u64ce\u8fd8\u63d0\u4f9b\u4e86\u884c\u7ea7\u9501\u548c\u5916\u952e\u7ea6\u675f\uff0c\u5b83\u7684\u8bbe\u8ba1\u76ee\u6807\u662f\u5904\u7406\u5927\u5bb9\u91cf\u6570\u636e\u5e93\u7cfb\u7edf\uff0c\u5b83\u672c\u8eab\u5176\u5b9e\u5c31\u662f\u57fa\u4e8eMySQL\u540e\u53f0\u7684\u5b8c\u6574\u6570\u636e\u5e93\u7cfb\u7edf\uff0cMySQL\u8fd0\u884c\u65f6Innodb\u4f1a\u5728\u5185\u5b58\u4e2d\u5efa\u7acb\u7f13\u51b2\u6c60\uff0c\u7528\u4e8e\u7f13\u51b2\u6570\u636e\u548c\u7d22\u5f15\u3002\u4f46\u662f\u8be5\u5f15\u64ce\u4e0d\u652f\u6301FULLTEXT\u7c7b\u578b\u7684\u7d22\u5f15\uff0c\u800c\u4e14\u5b83\u6ca1\u6709\u4fdd\u5b58\u8868\u7684\u884c\u6570\uff0c\u5f53SELECT COUNT(*) FROM TABLE\u65f6\u9700\u8981\u626b\u63cf\u5168\u8868\u3002\u5f53\u9700\u8981\u4f7f\u7528\u6570\u636e\u5e93\u4e8b\u52a1\u65f6\uff0c\u8be5\u5f15\u64ce\u5f53\u7136\u662f\u9996\u9009\u3002\u7531\u4e8e\u9501\u7684\u7c92\u5ea6\u66f4\u5c0f\uff0c\u5199\u64cd\u4f5c\u4e0d\u4f1a\u9501\u5b9a\u5168\u8868\uff0c\u6240\u4ee5\u5728\u5e76\u53d1\u8f83\u9ad8\u65f6\uff0c\u4f7f\u7528Innodb\u5f15\u64ce\u4f1a\u63d0\u5347\u6548\u7387\u3002\u4f46\u662f\u4f7f\u7528\u884c\u7ea7\u9501\u4e5f\u4e0d\u662f\u7edd\u5bf9\u7684\uff0c\u5982\u679c\u5728\u6267\u884c\u4e00\u4e2aSQL\u8bed\u53e5\u65f6MySQL\u4e0d\u80fd\u786e\u5b9a\u8981\u626b\u63cf\u7684\u8303\u56f4\uff0cInnoDB\u8868\u540c\u6837\u4f1a\u9501\u5168\u8868\u3002<\/p>\n
\u9002\u7528\u573a\u666f\uff1a<\/p>\n
\u7ecf\u5e38\u66f4\u65b0\u7684\u8868\uff0c\u9002\u5408\u5904\u7406\u591a\u91cd\u5e76\u53d1\u7684\u66f4\u65b0\u8bf7\u6c42\u3002<\/p>\n
\u652f\u6301\u4e8b\u52a1\u3002<\/p>\n
\u53ef\u4ee5\u4ece\u707e\u96be\u4e2d\u6062\u590d\uff08\u901a\u8fc7bin-log\u65e5\u5fd7\u7b49\uff09\u3002<\/p>\n
\u5916\u952e\u7ea6\u675f\u3002\u53ea\u6709\u4ed6\u652f\u6301\u5916\u952e\u3002<\/p>\n
\u652f\u6301\u81ea\u52a8\u589e\u52a0\u5217\u5c5e\u6027auto_increment\u3002<\/p>\n
\u7d22\u5f15\u7ed3\u6784\uff1a<\/p>\n
InnoDB\u4e5f\u662fB+Treee\u7d22\u5f15\u7ed3\u6784\u3002Innodb\u7684\u7d22\u5f15\u6587\u4ef6\u672c\u8eab\u5c31\u662f\u6570\u636e\u6587\u4ef6\uff0c\u5373B+Tree\u7684\u6570\u636e\u57df\u5b58\u50a8\u7684\u5c31\u662f\u5b9e\u9645\u7684\u6570\u636e\uff0c\u8fd9\u79cd\u7d22\u5f15\u5c31\u662f\u805a\u96c6\u7d22\u5f15\u3002\u8fd9\u4e2a\u7d22\u5f15\u7684key\u5c31\u662f\u6570\u636e\u8868\u7684\u4e3b\u952e\uff0c\u56e0\u6b64InnoDB\u8868\u6570\u636e\u6587\u4ef6\u672c\u8eab\u5c31\u662f\u4e3b\u7d22\u5f15\u3002<\/p>\n
InnoDB\u7684\u8f85\u52a9\u7d22\u5f15\u6570\u636e\u57df\u5b58\u50a8\u7684\u4e5f\u662f\u76f8\u5e94\u8bb0\u5f55\u4e3b\u952e\u7684\u503c\u800c\u4e0d\u662f\u5730\u5740\uff0c\u6240\u4ee5\u5f53\u4ee5\u8f85\u52a9\u7d22\u5f15\u67e5\u627e\u65f6\uff0c\u4f1a\u5148\u6839\u636e\u8f85\u52a9\u7d22\u5f15\u627e\u5230\u4e3b\u952e\uff0c\u518d\u6839\u636e\u4e3b\u952e\u7d22\u5f15\u627e\u5230\u5b9e\u9645\u7684\u6570\u636e\u3002\u6240\u4ee5Innodb\u4e0d\u5efa\u8bae\u4f7f\u7528\u8fc7\u957f\u7684\u4e3b\u952e\uff0c\u5426\u5219\u4f1a\u4f7f\u8f85\u52a9\u7d22\u5f15\u53d8\u5f97\u8fc7\u5927\u3002\u5efa\u8bae\u4f7f\u7528\u81ea\u589e\u7684\u5b57\u6bb5\u4f5c\u4e3a\u4e3b\u952e\uff0c\u8fd9\u6837B+Tree\u7684\u6bcf\u4e00\u4e2a\u7ed3\u70b9\u90fd\u4f1a\u88ab\u987a\u5e8f\u7684\u586b\u6ee1\uff0c\u800c\u4e0d\u4f1a\u9891\u7e41\u7684\u5206\u88c2\u8c03\u6574\uff0c\u4f1a\u6709\u6548\u7684\u63d0\u5347\u63d2\u5165\u6570\u636e\u7684\u6548\u7387\u3002<\/p>\n
3\u3001Mylsam<\/p>\n
MyIASM\u662fMySQL\u9ed8\u8ba4\u7684\u5f15\u64ce\uff0c\u4f46\u662f\u5b83\u6ca1\u6709\u63d0\u4f9b\u5bf9\u6570\u636e\u5e93\u4e8b\u52a1\u7684\u652f\u6301\uff0c\u4e5f\u4e0d\u652f\u6301\u884c\u7ea7\u9501\u548c\u5916\u952e\uff0c\u56e0\u6b64\u5f53INSERT\u6216UPDATE\u6570\u636e\u65f6\u5373\u5199\u64cd\u4f5c\u9700\u8981\u9501\u5b9a\u6574\u4e2a\u8868\uff0c\u6548\u7387\u4fbf\u4f1a\u4f4e\u4e00\u4e9b\u3002MyIsam \u5b58\u50a8\u5f15\u64ce\u72ec\u7acb\u4e8e\u64cd\u4f5c\u7cfb\u7edf\uff0c\u4e5f\u5c31\u662f\u53ef\u4ee5\u5728windows\u4e0a\u4f7f\u7528\uff0c\u4e5f\u53ef\u4ee5\u6bd4\u8f83\u7b80\u5355\u7684\u5c06\u6570\u636e\u8f6c\u79fb\u5230linux\u64cd\u4f5c\u7cfb\u7edf\u4e0a\u53bb\u3002<\/p>\n
\u9002\u7528\u573a\u666f\uff1a<\/p>\n
\u4e0d\u652f\u6301\u4e8b\u52a1\u7684\u8bbe\u8ba1\uff0c\u4f46\u662f\u5e76\u4e0d\u4ee3\u8868\u7740\u6709\u4e8b\u52a1\u64cd\u4f5c\u7684\u9879\u76ee\u4e0d\u80fd\u7528MyIsam\u5b58\u50a8\u5f15\u64ce\uff0c\u53ef\u4ee5\u5728service\u5c42\u8fdb\u884c\u6839\u636e\u81ea\u5df1\u7684\u4e1a\u52a1\u9700\u6c42\u8fdb\u884c\u76f8\u5e94\u7684\u63a7\u5236\u3002<\/p>\n
\u4e0d\u652f\u6301\u5916\u952e\u7684\u8868\u8bbe\u8ba1\u3002<\/p>\n
\u67e5\u8be2\u901f\u5ea6\u5f88\u5feb\uff0c\u5982\u679c\u6570\u636e\u5e93insert\u548cupdate\u7684\u64cd\u4f5c\u6bd4\u8f83\u591a\u7684\u8bdd\u6bd4\u8f83\u9002\u7528\u3002<\/p>\n
\u6574\u5929\u5bf9\u8868\u8fdb\u884c\u52a0\u9501\u7684\u573a\u666f\u3002<\/p>\n
MyISAM\u6781\u5ea6\u5f3a\u8c03\u5feb\u901f\u8bfb\u53d6\u64cd\u4f5c\u3002<\/p>\n
MyIASM\u4e2d\u5b58\u50a8\u4e86\u8868\u7684\u884c\u6570\uff0c\u4e8e\u662fSELECT COUNT(*) FROM TABLE\u65f6\u53ea\u9700\u8981\u76f4\u63a5\u8bfb\u53d6\u5df2\u7ecf\u4fdd\u5b58\u597d\u7684\u503c\u800c\u4e0d\u9700\u8981\u8fdb\u884c\u5168\u8868\u626b\u63cf\u3002\u5982\u679c\u8868\u7684\u8bfb\u64cd\u4f5c\u8fdc\u8fdc\u591a\u4e8e\u5199\u64cd\u4f5c\u4e14\u4e0d\u9700\u8981\u6570\u636e\u5e93\u4e8b\u52a1\u7684\u652f\u6301\uff0c\u90a3\u4e48MyIASM\u4e5f\u662f\u5f88\u597d\u7684\u9009\u62e9\u3002<\/p>\n
\u7f3a\u70b9\uff1a\u5c31\u662f\u4e0d\u80fd\u5728\u8868\u635f\u574f\u540e\u4e3b\u52a8\u6062\u590d\u6570\u636e\u3002<\/p>\n
\u7d22\u5f15\u7ed3\u6784\uff1a<\/p>\n
MyISAM\u7d22\u5f15\u7ed3\u6784\uff1aMyISAM\u7d22\u5f15\u7528\u7684B+ tree\u6765\u50a8\u5b58\u6570\u636e\uff0cMyISAM\u7d22\u5f15\u7684\u6307\u9488\u6307\u5411\u7684\u662f\u952e\u503c\u7684\u5730\u5740\uff0c\u5730\u5740\u5b58\u50a8\u7684\u662f\u6570\u636e\u3002B+Tree\u7684\u6570\u636e\u57df\u5b58\u50a8\u7684\u5185\u5bb9\u4e3a\u5b9e\u9645\u6570\u636e\u7684\u5730\u5740\uff0c\u4e5f\u5c31\u662f\u8bf4\u5b83\u7684\u7d22\u5f15\u548c\u5b9e\u9645\u7684\u6570\u636e\u662f\u5206\u5f00\u7684\uff0c\u53ea\u4e0d\u8fc7\u662f\u7528\u7d22\u5f15\u6307\u5411\u4e86\u5b9e\u9645\u7684\u6570\u636e\uff0c\u8fd9\u79cd\u7d22\u5f15\u5c31\u662f\u6240\u8c13\u7684\u975e\u805a\u96c6\u7d22\u5f15\u3002<\/p>\n
3\u3001InnoDB\u548cMylsam\u7684\u533a\u522b\uff1a<\/p>\n
1\uff09\u4e8b\u52a1\uff1aMyISAM\u7c7b\u578b\u4e0d\u652f\u6301\u4e8b\u52a1\u5904\u7406\u7b49\u9ad8\u7ea7\u5904\u7406\uff0c\u800cInnoDB\u7c7b\u578b\u652f\u6301\uff0c\u63d0\u4f9b\u4e8b\u52a1\u652f\u6301\u5df2\u7ecf\u5916\u90e8\u952e\u7b49\u9ad8\u7ea7\u6570\u636e\u5e93\u529f\u80fd\u3002<\/p>\n
2\uff09\u6027\u80fd\uff1aMyISAM\u7c7b\u578b\u7684\u8868\u5f3a\u8c03\u7684\u662f\u6027\u80fd\uff0c\u5176\u6267\u884c\u6570\u5ea6\u6bd4InnoDB\u7c7b\u578b\u66f4\u5feb\u3002<\/p>\n
3\uff09\u884c\u6570\u4fdd\u5b58\uff1aInnoDB \u4e2d\u4e0d\u4fdd\u5b58\u8868\u7684\u5177\u4f53\u884c\u6570\uff0c\u4e5f\u5c31\u662f\u8bf4\uff0c\u6267\u884cselect count() fromtable\u65f6\uff0cInnoDB\u8981\u626b\u63cf\u4e00\u904d\u6574\u4e2a\u8868\u6765\u8ba1\u7b97\u6709\u591a\u5c11\u884c\uff0c\u4f46\u662fMyISAM\u53ea\u8981\u7b80\u5355\u7684\u8bfb\u51fa\u4fdd\u5b58\u597d\u7684\u884c\u6570\u5373\u53ef\u3002\u6ce8\u610f\u7684\u662f\uff0c\u5f53count()\u8bed\u53e5\u5305\u542bwhere\u6761\u4ef6\u65f6\uff0c\u4e24\u79cd\u8868\u7684\u64cd\u4f5c\u662f\u4e00\u6837\u7684\u3002<\/p>\n
4\uff09\u7d22\u5f15\u5b58\u50a8\uff1a\u5bf9\u4e8eAUTO_INCREMENT\u7c7b\u578b\u7684\u5b57\u6bb5\uff0cInnoDB\u4e2d\u5fc5\u987b\u5305\u542b\u53ea\u6709\u8be5\u5b57\u6bb5\u7684\u7d22\u5f15\uff0c\u4f46\u662f\u5728MyISAM\u8868\u4e2d\uff0c\u53ef\u4ee5\u548c\u5176\u4ed6\u5b57\u6bb5\u4e00\u8d77\u5efa\u7acb\u8054\u5408\u7d22\u5f15\u3002MyISAM\u652f\u6301\u5168\u6587\u7d22\u5f15\uff08FULLTEXT\uff09\u3001\u538b\u7f29\u7d22\u5f15\uff0cInnoDB\u4e0d\u652f\u6301\u3002<\/p>\n
MyISAM\u7684\u7d22\u5f15\u548c\u6570\u636e\u662f\u5206\u5f00\u7684\uff0c\u5e76\u4e14\u7d22\u5f15\u662f\u6709\u538b\u7f29\u7684\uff0c\u5185\u5b58\u4f7f\u7528\u7387\u5c31\u5bf9\u5e94\u63d0\u9ad8\u4e86\u4e0d\u5c11\u3002\u80fd\u52a0\u8f7d\u66f4\u591a\u7d22\u5f15\uff0c\u800cInnodb\u662f\u7d22\u5f15\u548c\u6570\u636e\u662f\u7d27\u5bc6\u6346\u7ed1\u7684\uff0c\u6ca1\u6709\u4f7f\u7528\u538b\u7f29\u4ece\u800c\u4f1a\u9020\u6210Innodb\u6bd4MyISAM\u4f53\u79ef\u5e9e\u5927\u4e0d\u5c0f\u3002<\/p>\n
InnoDB\u5b58\u50a8\u5f15\u64ce\u88ab\u5b8c\u5168\u4e0eMySQL\u670d\u52a1\u5668\u6574\u5408\uff0cInnoDB\u5b58\u50a8\u5f15\u64ce\u4e3a\u5728\u4e3b\u5185\u5b58\u4e2d\u7f13\u5b58\u6570\u636e\u548c\u7d22\u5f15\u800c\u7ef4\u6301\u5b83\u81ea\u5df1\u7684\u7f13\u51b2\u6c60\u3002InnoDB\u5b58\u50a8\u5b83\u7684\u8868\uff06\u7d22\u5f15\u5728\u4e00\u4e2a\u8868\u7a7a\u95f4\u4e2d\uff0c\u8868\u7a7a\u95f4\u53ef\u4ee5\u5305\u542b\u6570\u4e2a\u6587\u4ef6\uff08\u6216\u539f\u59cb\u78c1\u76d8\u5206\u533a\uff09\u3002\u8fd9\u4e0eMyISAM\u8868\u4e0d\u540c\uff0c\u6bd4\u5982\u5728MyISAM\u8868\u4e2d\u6bcf\u4e2a\u8868\u88ab\u5b58\u5728\u5206\u79bb\u7684\u6587\u4ef6\u4e2d\u3002InnoDB \u8868\u53ef\u4ee5\u662f\u4efb\u4f55\u5c3a\u5bf8\uff0c\u5373\u4f7f\u5728\u6587\u4ef6\u5c3a\u5bf8\u88ab\u9650\u5236\u4e3a2GB\u7684\u64cd\u4f5c\u7cfb\u7edf\u4e0a\u3002<\/p>\n
5\uff09\u670d\u52a1\u5668\u6570\u636e\u5907\u4efd\uff1aInnoDB\u5fc5\u987b\u5bfc\u51faSQL\u6765\u5907\u4efd\uff0cLOAD TABLE FROM MASTER\u64cd\u4f5c\u5bf9InnoDB\u662f\u4e0d\u8d77\u4f5c\u7528\u7684\uff0c\u89e3\u51b3\u65b9\u6cd5\u662f\u9996\u5148\u628aInnoDB\u8868\u6539\u6210MyISAM\u8868\uff0c\u5bfc\u5165\u6570\u636e\u540e\u518d\u6539\u6210InnoDB\u8868\uff0c\u4f46\u662f\u5bf9\u4e8e\u4f7f\u7528\u7684\u989d\u5916\u7684InnoDB\u7279\u6027(\u4f8b\u5982\u5916\u952e)\u7684\u8868\u4e0d\u9002\u7528\u3002<\/p>\n
MyISAM\u5e94\u5bf9\u9519\u8bef\u7f16\u7801\u5bfc\u81f4\u7684\u6570\u636e\u6062\u590d\u901f\u5ea6\u5feb\u3002MyISAM\u7684\u6570\u636e\u662f\u4ee5\u6587\u4ef6\u7684\u5f62\u5f0f\u5b58\u50a8\uff0c\u6240\u4ee5\u5728\u8de8\u5e73\u53f0\u7684\u6570\u636e\u8f6c\u79fb\u4e2d\u4f1a\u5f88\u65b9\u4fbf\u3002\u5728\u5907\u4efd\u548c\u6062\u590d\u65f6\u53ef\u5355\u72ec\u9488\u5bf9\u67d0\u4e2a\u8868\u8fdb\u884c\u64cd\u4f5c\u3002<\/p>\n
InnoDB\u662f\u62f7\u8d1d\u6570\u636e\u6587\u4ef6\u3001\u5907\u4efd binlog\uff0c\u6216\u8005\u7528 mysqldump\uff0c\u5728\u6570\u636e\u91cf\u8fbe\u5230\u51e0\u5341G\u7684\u65f6\u5019\u5c31\u76f8\u5bf9\u75db\u82e6\u4e86\u3002<\/p>\n
6\uff09\u9501\u7684\u652f\u6301\uff1aMyISAM\u53ea\u652f\u6301\u8868\u9501\u3002InnoDB\u652f\u6301\u8868\u9501\u3001\u884c\u9501 \u884c\u9501\u5927\u5e45\u5ea6\u63d0\u9ad8\u4e86\u591a\u7528\u6237\u5e76\u53d1\u64cd\u4f5c\u7684\u65b0\u80fd\u3002\u4f46\u662fInnoDB\u7684\u884c\u9501\uff0c\u53ea\u662f\u5728WHERE\u7684\u4e3b\u952e\u662f\u6709\u6548\u7684\uff0c\u975e\u4e3b\u952e\u7684WHERE\u90fd\u4f1a\u9501\u5168\u8868\u7684\u3002<\/p>\n
“`<\/p>\n","protected":false},"excerpt":{"rendered":"
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