{"rsdb":{"rid":"244579","subhead":"","postdate":"0","aid":"168313","fid":"57","uid":"1","topic":"1","content":"
\n

1.\u4ec0\u4e48\u662f\u5b58\u50a8\u5f15\u64ce \u5b58\u50a8\u5f15\u64ce\u8bf4\u767d\u4e86\u5c31\u662f\u5982\u4f55\u5b58\u50a8\u6570\u636e\u3001\u5982\u4f55\u4e3a\u5b58\u50a8\u7684\u6570\u636e\u5efa\u7acb\u7d22\u5f15\u548c\u5982\u4f55\u66f4\u65b0\u3001\u67e5\u8be2\u6570\u636e\u7b49\u6280\u672f\u7684\u5b9e\u73b0\u65b9\u6cd5\u3002\u56e0\u4e3a\u5728\u5173\u7cfb\u6570\u636e\u5e93<\/a>\u4e2d\u6570\u636e\u7684\u5b58\u50a8\u662f\u4ee5\u8868\u7684\u5f62\u5f0f\u5b58\u50a8\u7684\uff0c\u6240\u4ee5\u5b58\u50a8\u5f15\u64ce\u4e5f\u53ef\u4ee5\u79f0\u4e3a\u8868\u7c7b\u578b(\u5373\u5b58\u50a8\u548c\u64cd\u4f5c\u6b64\u8868\u7684\u7c7b\u578b)\u3002 \u5728Oracle<\/a> \u548cSQL Server\u7b49\u6570\u636e\u5e93\u4e2d\u53ea\u6709\u4e00\u79cd\u5b58\u50a8\u5f15\u64ce\uff0c\u6240\u6709\u6570\u636e\u5b58\u50a8\u7ba1\u7406\u673a\u5236\u90fd\u662f\u4e00\u6837\u7684\u3002\u800cMySql\u6570\u636e\u5e93\u63d0\u4f9b\u4e86\u591a\u79cd\u5b58\u50a8\u5f15\u64ce\u3002\u7528\u6237\u53ef\u4ee5\u6839\u636e\u4e0d\u540c\u7684\u9700\u6c42\u4e3a\u6570\u636e\u8868\u9009\u62e9\u4e0d\u540c\u7684\u5b58\u50a8\u5f15\u64ce\uff0c\u7528\u6237\u4e5f\u53ef\u4ee5\u6839\u636e\u81ea\u5df1\u7684\u9700\u8981\u7f16\u5199\u81ea\u5df1\u7684\u5b58\u50a8\u5f15\u64ce\u3002<\/p> \n

2.\u5b58\u50a8\u5f15\u64ce\u7684\u67e5\u770b<\/p> \n

MySQL\u7ed9\u5f00\u53d1\u8005\u63d0\u4f9b\u4e86\u67e5\u8be2\u5b58\u50a8\u5f15\u64ce\u7684\u529f\u80fd\uff0c\u6211\u8fd9\u91cc\u4f7f\u7528\u7684\u662fMySQL5.7\uff0c\u53ef\u4ee5\u4f7f\u7528\uff1aSHOW ENGINES \u547d\u4ee4\u6765\u67e5\u770bMySQL\u4f7f\u7528\u7684\u5f15\u64ce\uff0c\u547d\u4ee4\u7684\u8f93\u51fa\u4e3a(\u6211\u7528\u7684Navicat Premium)\uff1a<\/p> \n

\n \"\\\"\n <\/center> \n

\u770b\u5230MySQL\u7ed9\u7528\u6237\u63d0\u4f9b\u4e86\u8fd9\u4e48\u591a\u5b58\u50a8\u5f15\u64ce\uff0c\u5305\u62ec\u5904\u7406\u4e8b\u52a1\u5b89\u5168\u8868\u7684\u5f15\u64ce\u548c\u51fa\u6765\u4e86\u975e\u4e8b\u7269\u5b89\u5168\u8868\u7684\u5f15\u64ce\u3002 \u5982\u679c\u8981\u60f3\u67e5\u770b\u6570\u636e\u5e93\u9ed8\u8ba4\u4f7f\u7528\u54ea\u4e2a\u5f15\u64ce\uff0c\u53ef\u4ee5\u901a\u8fc7\u4f7f\u7528\u547d\u4ee4\uff1ashow variables like '%storage_engine%';\u6765\u67e5\u770b\uff0c\u67e5\u8be2\u7ed3\u679c\u4e3a\uff1a<\/p> \n

\n \"\\\"\n <\/center> \n

\u5728MySQL\u4e2d\uff0c\u4e0d\u9700\u8981\u5728\u6574\u4e2a\u670d\u52a1\u5668\u4e2d\u4f7f\u7528\u540c\u4e00\u79cd\u5b58\u50a8\u5f15\u64ce\uff0c\u9488\u5bf9\u5177\u4f53\u7684\u8981\u6c42\uff0c\u53ef\u4ee5\u5bf9\u6bcf\u4e00\u4e2a\u8868\u4f7f\u7528\u4e0d\u540c\u7684\u5b58\u50a8\u5f15\u64ce\u3002Support\u5217\u7684\u503c\u8868\u793a\u67d0\u79cd\u5f15\u64ce\u662f\u5426\u80fd\u4f7f\u7528\uff1aYES\u8868\u793a\u53ef\u4ee5\u4f7f\u7528\u3001NO\u8868\u793a\u4e0d\u80fd\u4f7f\u7528\u3001DEFAULT\u8868\u793a\u8be5\u5f15\u64ce\u4e3a\u5f53\u524d\u9ed8\u8ba4\u7684\u5b58\u50a8\u5f15\u64ce \u3002\u4e0b\u9762\u6765\u770b\u4e00\u4e0bMysql\u652f\u6301\u7684\u5b58\u50a8\u5f15\u64ce\u548c\u51e0\u79cd\u5e38\u7528\u7684\u5b58\u50a8\u5f15\u64ce\u3002<\/p> \n

3.Mysql \u652f\u6301\u7684\u5b58\u50a8\u5f15\u64ce MyISAM\uff1a \u62e5\u6709\u8f83\u9ad8\u7684\u63d2\u5165\uff0c\u67e5\u8be2\u901f\u5ea6\uff0c\u4f46\u4e0d\u652f\u6301\u4e8b\u52a1 InnoDB \uff1a5.5\u7248\u672c\u540eMysql\u7684\u9ed8\u8ba4\u6570\u636e\u5e93\uff0c\u4e8b\u52a1\u578b\u6570\u636e\u5e93\u7684\u9996\u9009\u5f15\u64ce\uff0c\u652f\u6301ACID\u4e8b\u52a1\uff0c\u652f\u6301\u884c\u7ea7\u9501\u5b9a BDB\uff1a \u6e90\u81eaBerkeley DB\uff0c\u4e8b\u52a1\u578b\u6570\u636e\u5e93\u7684\u53e6\u4e00\u79cd\u9009\u62e9\uff0c\u652f\u6301COMMIT\u548cROLLBACK\u7b49\u5176\u4ed6\u4e8b\u52a1\u7279\u6027 Memory \uff1a\u6240\u6709\u6570\u636e\u7f6e\u4e8e\u5185\u5b58\u7684\u5b58\u50a8\u5f15\u64ce\uff0c\u62e5\u6709\u6781\u9ad8\u7684\u63d2\u5165\uff0c\u66f4\u65b0\u548c\u67e5\u8be2\u6548\u7387\u3002\u4f46\u662f\u4f1a\u5360\u7528\u548c\u6570\u636e\u91cf\u6210\u6b63\u6bd4\u7684\u5185\u5b58\u7a7a\u95f4\u3002\u5e76\u4e14\u5176\u5185\u5bb9\u4f1a\u5728Mysql\u91cd\u65b0\u542f\u52a8\u65f6\u4e22\u5931 Merge \uff1a\u5c06\u4e00\u5b9a\u6570\u91cf\u7684MyISAM\u8868\u8054\u5408\u800c\u6210\u4e00\u4e2a\u6574\u4f53\uff0c\u5728\u8d85\u5927\u89c4\u6a21\u6570\u636e\u5b58\u50a8\u65f6\u5f88\u6709\u7528 Archive \uff1a\u975e\u5e38\u9002\u5408\u5b58\u50a8\u5927\u91cf\u7684\u72ec\u7acb\u7684\uff0c\u4f5c\u4e3a\u5386\u53f2\u8bb0\u5f55\u7684\u6570\u636e\u3002\u56e0\u4e3a\u5b83\u4eec\u4e0d\u7ecf\u5e38\u88ab\u8bfb\u53d6\u3002Archive\u62e5\u6709\u9ad8\u6548\u7684\u63d2\u5165\u901f\u5ea6\uff0c\u4f46\u5176\u5bf9\u67e5\u8be2\u7684\u652f\u6301\u76f8\u5bf9\u8f83\u5dee Federated\uff1a \u5c06\u4e0d\u540c\u7684Mysql\u670d\u52a1\u5668\u8054\u5408\u8d77\u6765\uff0c\u903b\u8f91\u4e0a\u7ec4\u6210\u4e00\u4e2a\u5b8c\u6574\u7684\u6570\u636e\u5e93\u3002\u975e\u5e38\u9002\u5408\u5206\u5e03\u5f0f\u5e94\u7528 Cluster\/NDB \uff1a\u9ad8\u5197\u4f59\u7684\u5b58\u50a8\u5f15\u64ce\uff0c\u7528\u591a\u53f0\u6570\u636e\u673a\u5668\u8054\u5408\u63d0\u4f9b\u670d\u52a1\u4ee5\u63d0\u9ad8\u6574\u4f53\u6027\u80fd\u548c\u5b89\u5168\u6027\u3002\u9002\u5408\u6570\u636e\u91cf\u5927\uff0c\u5b89\u5168\u548c\u6027\u80fd\u8981\u6c42\u9ad8\u7684\u5e94\u7528 CSV\uff1a \u903b\u8f91\u4e0a\u7531\u9017\u53f7\u5206\u5272\u6570\u636e\u7684\u5b58\u50a8\u5f15\u64ce\u3002\u5b83\u4f1a\u5728\u6570\u636e\u5e93\u5b50\u76ee\u5f55\u91cc\u4e3a\u6bcf\u4e2a\u6570\u636e\u8868\u521b\u5efa\u4e00\u4e2a.CSV\u6587\u4ef6\u3002\u8fd9\u662f\u4e00\u79cd\u666e\u901a\u6587\u672c\u6587\u4ef6\uff0c\u6bcf\u4e2a\u6570\u636e\u884c\u5360\u7528\u4e00\u4e2a\u6587\u672c\u884c\u3002CSV\u5b58\u50a8\u5f15\u64ce\u4e0d\u652f\u6301\u7d22\u5f15\u3002 BlackHole \uff1a\u9ed1\u6d1e\u5f15\u64ce\uff0c\u5199\u5165\u7684\u4efb\u4f55\u6570\u636e\u90fd\u4f1a\u6d88\u5931\uff0c\u4e00\u822c\u7528\u4e8e\u8bb0\u5f55binlog\u505a\u590d\u5236\u7684\u4e2d\u7ee7\u3002<\/p> \n

4.Mysql \u5e38\u7528\u5b58\u50a8\u5f15\u64ce (1) MyISAM\u5b58\u50a8\u5f15\u64ce MyISAM \uff1a\u662f\u65e7\u7248\u672cmysql<\/a>\u7684\u9ed8\u8ba4\u5f15\u64ce\uff0c\u73b0\u5728\u9ed8\u8ba4\u5f15\u64ce\u662fInnoDB\u3002MyISAM\u5f15\u64ce\u7684\u4e3b\u8981\u7279\u70b9\u5c31\u662f\u5feb\uff0c\u6ca1\u6709\u4e8b\u52a1\u5904\u7406\u64cd\u4f5c\uff0c\u4e5f\u4e0d\u652f\u6301\u5916\u952e\u64cd\u4f5c\u3002\u9002\u5408\u4e8e\u591a\u8bfb\u53d6\u63d2\u5165\uff0c\u5c11\u66f4\u65b0\u5220\u9664\u7684\u64cd\u4f5c\u8868\u3002 MyISAM\u5b58\u50a8\u5f15\u64ce\u7684\u8868\u5728\u6570\u636e\u5e93\u4e2d\uff0c\u6bcf\u4e00\u4e2a\u8868\u90fd\u88ab\u5b58\u653e\u4e3a\u4e09\u4e2a\u4ee5\u8868\u540d\u547d\u540d\u7684\u7269\u7406\u6587\u4ef6\u3002\u9996\u5148\u80af\u5b9a\u4f1a\u6709\u4efb\u4f55\u5b58\u50a8\u5f15\u64ce\u90fd\u4e0d\u53ef\u7f3a\u5c11\u7684\u5b58\u653e\u8868\u7ed3\u6784\u5b9a\u4e49\u4fe1\u606f\u7684.frm\u6587\u4ef6\uff0c\u53e6\u5916\u8fd8\u6709.MYD\u548c.MYI\u6587\u4ef6\uff0c\u5206\u522b\u5b58\u653e\u4e86\u8868\u7684\u6570\u636e(.MYD)\u548c\u7d22\u5f15\u6570\u636e(.MYI)\u3002\u6bcf\u4e2a\u8868\u90fd\u6709\u4e14\u4ec5\u6709\u8fd9\u6837\u4e09\u4e2a\u6587\u4ef6\u505a\u4e3aMyISAM\u5b58\u50a8\u7c7b\u578b\u7684\u8868\u7684\u5b58\u50a8\uff0c\u4e5f\u5c31\u662f\u8bf4\u4e0d\u7ba1\u8fd9\u4e2a\u8868\u6709\u591a\u5c11\u4e2a\u7d22\u5f15\uff0c\u90fd\u662f\u5b58\u653e\u5728\u540c\u4e00\u4e2a.MYI\u6587\u4ef6\u4e2d\u3002 \u7528\u6cd5\uff1a engine=myisam default charset=utf-8 ; MyISAM\u652f\u6301\u4ee5\u4e0b\u4e09\u79cd\u7c7b\u578b\u7684\u7d22\u5f15\uff1a [1] B-Tree\u7d22\u5f15 B-Tree\u7d22\u5f15\uff0c\u987e\u540d\u601d\u4e49\uff0c\u5c31\u662f\u6240\u6709\u7684\u7d22\u5f15\u8282\u70b9\u90fd\u6309\u7167balancetree\u7684\u6570\u636e\u7ed3\u6784\u6765\u5b58\u50a8\uff0c\u6240\u6709\u7684\u7d22\u5f15\u6570\u636e\u8282\u70b9\u90fd\u5728\u53f6\u8282\u70b9\u3002 [2] R-Tree\u7d22\u5f15 R-Tree\u7d22\u5f15\u7684\u5b58\u50a8\u65b9\u5f0f\u548cb-tree\u7d22\u5f15\u6709\u4e00\u4e9b\u533a\u522b\uff0c\u4e3b\u8981\u8bbe\u8ba1\u7528\u4e8e\u4e3a\u5b58\u50a8\u7a7a\u95f4\u548c\u591a\u7ef4\u6570\u636e\u7684\u5b57\u6bb5\u505a\u7d22\u5f15\uff0c\u6240\u4ee5\u76ee\u524d\u7684MySQL\u7248\u672c\u6765\u8bf4\uff0c\u4e5f\u4ec5\u652f\u6301geometry\u7c7b\u578b\u7684\u5b57\u6bb5\u4f5c\u7d22\u5f15\u3002 [3] Full-text\u7d22\u5f15 Full-text\u7d22\u5f15\u5c31\u662f\u6211\u4eec\u957f\u8bf4\u7684\u5168\u6587\u7d22\u5f15\uff0c\u4ed6\u7684\u5b58\u50a8\u7ed3\u6784\u4e5f\u662fb-tree\u3002\u4e3b\u8981\u662f\u4e3a\u4e86\u89e3\u51b3\u5728\u6211\u4eec\u9700\u8981\u7528like\u67e5\u8be2\u7684\u4f4e\u6548\u95ee\u9898\u3002 (2) Innodb \u5b58\u50a8\u5f15\u64ce<\/p> \n

InnoDB \uff1a\u662f\u65b0\u7248\u672cmysql\u7684\u9ed8\u8ba4\u5f15\u64ce\uff0c\u652f\u6301\u4e8b\u52a1\u5904\u7406\u548c\u5916\u952e\uff0c\u4f46\u662f\u5176\u7f3a\u70b9\u51e0\u5c31\u662f\u6162\u4e86\u4e9b\u3002\u5b58\u50a8\u65b9\u5f0f\u5206\u4e3a\u4e24\u79cd\uff1a 1.\u5171\u4eab\u8868\u7a7a\u95f4\u5b58\u50a8\u3002[ .frm(\u8868\u7ed3\u6784) \u548c innodb_data_home(\u6570\u636e) \u548c innodb_data_file_path(\u7d22\u5f15) ] 2.\u591a\u8868\u7a7a\u95f4\u5b58\u50a8\u3002 [.frm(\u8868\u7ed3\u6784) \u548c .idb(\u6570\u636e)]\u3002 \u9002\u7528\u4e8e\u5bf9\u4e8e\u4e8b\u52a1\u7531\u8f83\u9ad8\u8981\u6c42\u7684\u8868\u7684\u521b\u5efa\u3002<\/p> \n

\u7528\u6cd5\uff1aengine=innodb default charset=utf-8 ;<\/p> \n

(3) Memory\u5b58\u50a8\u5f15\u64ce<\/p> \n

Memory\u5b58\u50a8\u5f15\u64ce\uff0c\u901a\u8fc7\u540d\u5b57\u5c31\u5f88\u5bb9\u6613\u8ba9\u4eba\u77e5\u9053\uff0c\u4ed6\u662f\u4e00\u4e2a\u5c06\u6570\u636e\u5b58\u50a8\u5728\u5185\u5b58\u4e2d\u7684\u5b58\u50a8\u5f15\u64ce\u3002Memory\u5b58\u50a8\u5f15\u64ce\u4e0d\u4f1a\u5c06\u4efb\u4f55\u6570\u636e\u5b58\u653e\u5230\u78c1\u76d8\u4e0a\uff0c\u4ec5\u4ec5\u5b58\u653e\u4e86\u4e00\u4e2a\u8868\u7ed3\u6784\u76f8\u5173\u4fe1\u606f\u7684.frm\u6587\u4ef6\u5728\u78c1\u76d8\u4e0a\u9762\u3002\u6240\u4ee5\u4e00\u65e6MySQLCrash\u6216\u8005\u4e3b\u673aCrash\u4e4b\u540e\uff0cMemory\u7684\u8868\u5c31\u53ea\u5269\u4e0b\u4e00\u4e2a\u7ed3\u6784\u4e86\u3002Memory\u8868\u540c\u65f6\u652f\u6301Hash\u548cB-Tree\u4e24\u79cd\u683c\u5f0f\u7684\u7d22\u5f15\uff0c\u5e76\u4e14\u9ed8\u8ba4\u4f7f\u7528HASH\u7d22\u5f15\uff0c\u4e00\u65e6\u670d\u52a1\u5173\u95ed\uff0c\u8868\u4e2d\u7684\u6570\u636e\u5c31\u4f1a\u4e22\u5931\u6389\u3002\u7531\u4e8e\u662f\u5b58\u653e\u5728\u5185\u5b58\u4e2d\uff0c\u6240\u4ee5Memory\u90fd\u662f\u6309\u7167\u5b9a\u957f\u7684\u7a7a\u95f4\u6765\u5b58\u50a8\u6570\u636e\u7684\uff0c\u800c\u4e14\u4e0d\u652f\u6301BLOB\u548cTEXT\u7c7b\u578b\u7684\u5b57\u6bb5\u3002 \u7528\u6cd5\uff1aengine=memory ;<\/p> \n

(4) MERGE\u5b58\u50a8\u5f15\u64ce<\/p> \n

Merge\u5b58\u50a8\u5f15\u64ce\u662f\u4e00\u7ec4MyISAM\u8868\u7684\u7ec4\u5408\uff0c\u8fd9\u4e9bMyISAM\u8868\u5fc5\u987b\u7ed3\u6784\u5b8c\u5168\u76f8\u540c\uff0cmerge\u8868\u672c\u8eab\u5e76\u6ca1\u6709\u6570\u636e\uff0c\u5bf9merge\u7c7b\u578b\u7684\u8868\u53ef\u4ee5\u8fdb\u884c\u67e5\u8be2\uff0c\u66f4\u65b0\uff0c\u5220\u9664\u64cd\u4f5c\uff0c\u8fd9\u4e9b\u64cd\u4f5c\u5b9e\u9645\u4e0a\u662f\u5bf9\u5185\u90e8\u7684MyISAM\u8868\u8fdb\u884c\u7684\u3002<\/p> \n

\u7528\u6cd5\uff1aengine=merge union=(__,__) insert_method=last\/first ;<\/p> \n

5.Mysql \u5b58\u50a8\u5f15\u64ceMyISAM\u548cInnoDB\u533a\u522b<\/p> \n

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