\u5357\u4eac\u6570\u636e\u6062\u590d<\/p>\n
\u5728\u4e91\u539f\u751f\u548c\u5206\u5e03\u5f0f\u6570\u636e\u5e93\u5927\u884c\u5176\u9053\u76842025\u5e74\uff0c\u8c08\u8bbaOracle 11g\u4f3c\u4e4e\u663e\u5f97\u6709\u4e9b\u201c\u590d\u53e4\u201d\u3002\u73b0\u5b9e\u662f\u6b8b\u9177\u7684\uff1a\u5927\u91cf\u5173\u952e\u4e1a\u52a1\u7cfb\u7edf\uff0c\u5c24\u5176\u662f\u91d1\u878d\u3001\u5236\u9020\u3001\u653f\u5e9c\u7b49\u9886\u57df\u7684\u6838\u5fc3\u5e94\u7528\uff0c\u4f9d\u7136\u7a33\u5b9a\u8fd0\u884c\u5728Oracle 11g\u4e4b\u4e0a\u3002\u5b98\u65b9\u6269\u5c55\u652f\u6301\u65e9\u5df2\u7ed3\u675f\uff0c\u5b89\u5168\u8865\u4e01\u7a00\u7f3a\uff0c\u786c\u4ef6\u8001\u5316\u98ce\u9669\u52a0\u5267\u3002\u5728\u8fd9\u79cd\u80cc\u666f\u4e0b\uff0c\u4e00\u5957\u4e25\u8c28\u3001\u53ef\u9760\u3001\u7ecf\u8fc7\u9a8c\u8bc1\u7684Oracle 11g\u5907\u4efd\u4e0e\u6062\u590d\u7b56\u7565\uff0c\u4e0d\u518d\u662f\u4f8b\u884c\u516c\u4e8b\uff0c\u800c\u662f\u7ef4\u7cfb\u4f01\u4e1a\u6570\u636e\u5b89\u5168\u7684\u4e00\u9053\u3001\u4e5f\u662f\u6700\u5173\u952e\u7684\u751f\u547d\u7ebf\u3002\u5ffd\u89c6\u5b83\uff0c\u53ef\u80fd\u610f\u5473\u7740\u5728\u67d0\u4e2a\u6beb\u65e0\u5f81\u5146\u7684\u51cc\u6668\uff0c\u4f60\u5c06\u9762\u4e34\u804c\u4e1a\u751f\u6daf\u4e2d\u6700\u9ed1\u6697\u7684\u65f6\u523b\u3002<\/p>\n
<\/p>\n
\u57fa\u77f3\u7a33\u56fa\uff1a\u51b7\u5907\u4e0e\u70ed\u5907\u7684\u7ecf\u5178\u7ec4\u5408\u62f3<\/strong><\/p>\n \u7269\u7406\u5907\u4efd\u59cb\u7ec8\u662fOracle 11g\u707e\u96be\u6062\u590d\u7684\u57fa\u77f3\u3002\u51b7\u5907\u4efd\uff0c\u5373\u6570\u636e\u5e93\u5173\u95ed\u72b6\u6001\u4e0b\u5bf9\u6570\u636e\u6587\u4ef6\u3001\u63a7\u5236\u6587\u4ef6\u3001\u91cd\u505a\u65e5\u5fd7\u6587\u4ef6\u3001\u53c2\u6570\u6587\u4ef6\u7b49\u8fdb\u884c\u5b8c\u6574\u7684\u64cd\u4f5c\u7cfb\u7edf\u7ea7\u62f7\u8d1d\u3002\u5176\u6700\u5927\u4f18\u52bf\u662f\u6982\u5ff5\u7b80\u5355\u3001\u6062\u590d\u8fc7\u7a0b\u76f4\u63a5\uff0c\u5c24\u5176\u9002\u5408\u5141\u8bb8\u5b9a\u671f\u505c\u673a\u7684\u7ef4\u62a4\u7a97\u53e3\u6216\u5c0f\u578b\u6570\u636e\u5e93\u3002\u57282025\u5e74\uff0c\u5373\u4f7f\u6709\u66f4\u5148\u8fdb\u7684\u6280\u672f\uff0c\u51b7\u5907\u56e0\u5176\u201c\u5168\u91cf\u201d\u548c\u201c\u4e00\u81f4\u6027\u201d\u7684\u7279\u6027\uff0c\u4f9d\u7136\u662f\u5f88\u591aDBA\u5fc3\u4e2d\u6700\u8e0f\u5b9e\u7684\u201c\u515c\u5e95\u201d\u65b9\u6848\u3002\u5b9a\u671f\u6267\u884c\u4e00\u6b21\u5b8c\u6574\u7684\u51b7\u5907\u4efd\uff0c\u5e76\u5c06\u5176\u79bb\u7ebf\u5b58\u50a8\u6216\u5f02\u5730\u4fdd\u5b58\uff0c\u662f\u5e94\u5bf9\u6700\u6781\u7aef\u707e\u96be\uff08\u5982\u7ad9\u70b9\u7ea7\u6545\u969c\u3001\u52d2\u7d22\u75c5\u6bd2\u5f7b\u5e95\u52a0\u5bc6\uff09\u7684\u7ec8\u6781\u624b\u6bb5\u3002<\/p>\n 7×24\u5c0f\u65f6\u4e1a\u52a1\u9700\u6c42\u8ba9\u70ed\u5907\uff08\u8054\u673a\u5907\u4efd\uff09\u6210\u4e3a\u5e38\u6001\u3002\u5229\u7528RMAN\uff08Recovery Manager\uff09\u6216\u7528\u6237\u7ba1\u7406\u5907\u4efd\uff08User-Managed Backup, UMB\uff09\u5728\u6570\u636e\u5e93\u6253\u5f00\u72b6\u6001\u4e0b\u8fdb\u884c\u5907\u4efd\u662f\u6838\u5fc3\u6280\u80fd\u3002RMAN\u65e0\u7591\u662f\u9996\u9009\uff0c\u5b83\u96c6\u6210\u4e86\u5907\u4efd\u3001\u6062\u590d\u3001\u9a8c\u8bc1\u3001\u62a5\u544a\u7b49\u5168\u5957\u529f\u80fd\uff0c\u652f\u6301\u589e\u91cf\u5907\u4efd\uff08\u5dee\u5f02\u589e\u91cf\u3001\u7d2f\u79ef\u589e\u91cf\uff09\uff0c\u6781\u5927\u5730\u8282\u7701\u5b58\u50a8\u7a7a\u95f4\u548c\u65f6\u95f4\u3002\u5173\u952e\u70b9\u5728\u4e8e\u5fc5\u987b\u5c06\u6570\u636e\u5e93\u7f6e\u4e8eARCHIVELOG\u6a21\u5f0f\uff01\u8fd9\u662f\u5b9e\u73b0\u6062\u590d\u5230\u4efb\u610f\u65f6\u95f4\u70b9\uff08Point-in-Time Recovery, PITR\uff09\u7684\u524d\u63d0\u3002\u5728\u5f52\u6863\u65e5\u5fd7\u6a21\u5f0f\u4e0b\uff0c\u6240\u6709\u91cd\u505a\u65e5\u5fd7\u6587\u4ef6\u90fd\u4f1a\u88ab\u5f52\u6863\u4fdd\u5b58\uff0c\u5b8c\u6574\u8bb0\u5f55\u4e86\u6570\u636e\u5e93\u7684\u6bcf\u4e00\u6b21\u53d8\u66f4\u3002\u6ca1\u6709\u8fd9\u4e9b\u5f52\u6863\u65e5\u5fd7\uff0c\u4e00\u65e6\u53d1\u751f\u4ecb\u8d28\u6545\u969c\uff0c\u4f60\u6700\u591a\u53ea\u80fd\u6062\u590d\u5230\u4e0a\u6b21\u5907\u4efd\u7684\u65f6\u95f4\u70b9\uff0c\u671f\u95f4\u7684\u6240\u6709\u6570\u636e\u53d8\u66f4\u5c06\u7070\u98de\u70df\u706d\u30022025\u5e74\uff0c\u786c\u4ef6\u6545\u969c\u3001\u4eba\u4e3a\u8bef\u64cd\u4f5c\u3001\u8f6f\u4ef6\u7f3a\u9677\u5bfc\u81f4\u7684\u6570\u636e\u635f\u574f\u98ce\u9669\u4f9d\u7136\u5b58\u5728\uff0c\u5f52\u6863\u65e5\u5fd7\u5c31\u662f\u8fde\u63a5\u5907\u4efd\u70b9\u4e0e\u6545\u969c\u70b9\u4e4b\u95f4\u6570\u636e\u201c\u6865\u6881\u201d\u7684\u552f\u4e00\u6750\u6599\u3002<\/p>\n <\/p>\n RMAN\uff1a\u81ea\u52a8\u5316\u4e0e\u7cbe\u7ec6\u5316\u7684\u6062\u590d\u5229\u5668<\/strong><\/p>\n \u638c\u63e1RMAN\u662fOracle 11g DBA\u7684\u5fc5\u4fee\u8bfe\u3002\u5176\u5f3a\u5927\u4e4b\u5904\u5728\u4e8e\u81ea\u52a8\u5316\u7ba1\u7406\u548c\u5bf9\u5907\u4efd\u5143\u6570\u636e\u7684\u7cbe\u786e\u638c\u63a7\u3002\u901a\u8fc7\u914d\u7f6e\u81ea\u52a8\u5316\u7684\u5907\u4efd\u811a\u672c\uff08\u53ef\u7ed3\u5408cron\u6216Windows\u4efb\u52a1\u8ba1\u5212\uff09\uff0c\u53ef\u4ee5\u8f7b\u677e\u5b9e\u73b0\u5168\u5e93\u5907\u4efd\u3001\u589e\u91cf\u5907\u4efd\u3001\u5f52\u6863\u65e5\u5fd7\u5907\u4efd\u7684\u5b9a\u671f\u8f6e\u8f6c\u3002RMAN\u7684`BACKUP VALIDATE`\u547d\u4ee4\u53ef\u4ee5\u5728\u4e0d\u5b9e\u9645\u8bfb\u53d6\u6570\u636e\u5757\u7684\u60c5\u51b5\u4e0b\u68c0\u67e5\u6587\u4ef6\u662f\u5426\u5b58\u5728\u4e14\u672a\u88ab\u635f\u574f\uff0c\u662f\u9884\u9632\u6027\u7ef4\u62a4\u7684\u597d\u5e2e\u624b\u3002\u66f4\u5173\u952e\u7684\u662f\u5176\u7cbe\u7ec6\u5316\u7684\u6062\u590d\u80fd\u529b\uff1a\u5757\u7ea7\u6062\u590d\uff08Block Media Recovery, BMR\uff09\u53ef\u4ee5\u5728\u6570\u636e\u6587\u4ef6\u7684\u5927\u90e8\u5206\u533a\u57df\u5b8c\u597d\u7684\u60c5\u51b5\u4e0b\uff0c\u4ec5\u4fee\u590d\u5c11\u6570\u88ab\u635f\u574f\u7684\u6570\u636e\u5757\uff0c\u6781\u5927\u5730\u51cf\u5c11\u6062\u590d\u65f6\u95f4\u76ee\u6807\uff08RTO\uff09\u3002\u8868\u7a7a\u95f4\u65f6\u95f4\u70b9\u6062\u590d\uff08Tablespace Point-in-Time Recovery, TSPITR\uff09\u5141\u8bb8\u5c06\u5355\u4e2a\u6216\u591a\u4e2a\u8868\u7a7a\u95f4\u6062\u590d\u5230\u4e0e\u6570\u636e\u5e93\u5176\u4f59\u90e8\u5206\u4e0d\u540c\u7684\u65f6\u95f4\u70b9\uff0c\u8fd9\u5bf9\u4e8e\u4fee\u6b63\u7279\u5b9a\u6a21\u5757\u7684\u8bef\u64cd\u4f5c\uff08\u5982\u9519\u8bef\u7684\u5927\u6279\u91cf\u6570\u636e\u66f4\u65b0\uff09\u81f3\u5173\u91cd\u8981\uff0c\u907f\u514d\u4e86\u5168\u5e93\u56de\u6eda\u7684\u5de8\u5927\u4ee3\u4ef7\u3002\u57282025\u5e74\uff0c\u9762\u5bf9\u6d77\u91cf\u6570\u636e\u548c\u6781\u77ed\u7684\u6545\u969c\u5bb9\u5fcd\u65f6\u95f4\uff0c\u8fd9\u79cd\u7cbe\u7ec6\u5316\u7684\u6062\u590d\u80fd\u529b\u662f\u786e\u4fdd\u4e1a\u52a1\u8fde\u7eed\u6027\u7684\u5173\u952e\u3002<\/p>\n \u914d\u7f6eRMAN\u65f6\uff0c\u7edd\u5bf9\u4e0d\u8981\u5ffd\u89c6\u63a7\u5236\u6587\u4ef6\u7684\u81ea\u52a8\u5907\u4efd\uff01\u63a7\u5236\u6587\u4ef6\u662f\u6570\u636e\u5e93\u7684\u201c\u5bfc\u822a\u56fe\u201d\uff0c\u8bb0\u5f55\u4e86\u6240\u6709\u6570\u636e\u6587\u4ef6\u3001\u5728\u7ebf\u91cd\u505a\u65e5\u5fd7\u6587\u4ef6\u7684\u4f4d\u7f6e\u548c\u72b6\u6001\u4fe1\u606f\u3002\u4e00\u65e6\u4e22\u5931\u6216\u635f\u574f\uff0c\u5373\u4f7f\u6570\u636e\u6587\u4ef6\u5b8c\u597d\uff0c\u6062\u590d\u4e5f\u4f1a\u53d8\u5f97\u6781\u5176\u590d\u6742\u548c\u56f0\u96be\u3002\u542f\u7528`CONFIGURE CONTROLFILE AUTOBACKUP ON;`\uff0c\u8ba9RMAN\u5728\u6bcf\u6b21\u5907\u4efd\u6216\u6570\u636e\u5e93\u7ed3\u6784\u6539\u53d8\u540e\u81ea\u52a8\u5907\u4efd\u63a7\u5236\u6587\u4ef6\u3002\u540c\u65f6\uff0c\u5f3a\u70c8\u5efa\u8bae\u4f7f\u7528\u6062\u590d\u76ee\u5f55\uff08Recovery Catalog\uff09\u3002\u867d\u7136\u53ef\u4ee5\u76f4\u63a5\u4f7f\u7528\u76ee\u6807\u6570\u636e\u5e93\u7684\u63a7\u5236\u6587\u4ef6\u5b58\u50a8RMAN\u5143\u6570\u636e\uff0c\u4f46\u4f7f\u7528\u4e00\u4e2a\u72ec\u7acb\u7684\u3001\u4f4d\u4e8e\u4e0d\u540c\u6570\u636e\u5e93\u4e0a\u7684\u6062\u590d\u76ee\u5f55\uff0c\u63d0\u4f9b\u4e86\u66f4\u5f3a\u5927\u7684\u5143\u6570\u636e\u7ba1\u7406\u3001\u5b58\u50a8\u66f4\u957f\u7684\u5386\u53f2\u8bb0\u5f55\uff08\u8d85\u8fc7\u63a7\u5236\u6587\u4ef6\u4fdd\u7559\u671f\u9650\uff09\u3001\u652f\u6301\u591a\u6570\u636e\u5e93\u96c6\u4e2d\u7ba1\u7406\uff0c\u5e76\u4e14\u5728\u76ee\u6807\u6570\u636e\u5e93\u63a7\u5236\u6587\u4ef6\u5b8c\u5168\u4e22\u5931\u6216\u635f\u574f\u65f6\uff0c\u5b83\u662f\u6062\u590d\u7684\u552f\u4e00\u5e0c\u671b\u6765\u6e90\u3002\u4e0d\u8981\u56e0\u4e3a\u5077\u61d2\u800c\u7701\u7565\u8fd9\u4e00\u6b65\u3002<\/p>\n <\/p>\n \u903b\u8f91\u5907\u4efd\uff1a\u6570\u636e\u8fc1\u79fb\u4e0e\u5bf9\u8c61\u7ea7\u4fdd\u62a4\u7684\u515c\u5e95\u65b9\u6848<\/strong><\/p>\n \u9664\u4e86\u7269\u7406\u5907\u4efd\uff0c\u4f20\u7edf\u7684\u903b\u8f91\u5bfc\u51fa\u5de5\u5177\uff08`EXP`\/`EXPDP`\uff09\u5728Oracle 11g\u5907\u4efd\u4f53\u7cfb\u4e2d\u4ecd\u7136\u626e\u6f14\u7740\u72ec\u7279\u7684\u89d2\u8272\u3002`EXP`\uff08\u4f20\u7edf\u5bfc\u51fa\uff09\u867d\u7136\u529f\u80fd\u6709\u9650\u4e14\u5b98\u65b9\u5df2\u4e0d\u63a8\u8350\u5728\u65b0\u9879\u76ee\u4f7f\u7528\uff0c\u4f46\u5728\u7279\u5b9a\u573a\u666f\uff08\u5982\u6781\u7b80\u73af\u5883\u3001\u7279\u6b8a\u5b57\u7b26\u96c6\u5904\u7406\u7684\u8001\u95ee\u9898\uff09\u4e0b\u4ecd\u6709\u4ef7\u503c\u3002\u6570\u636e\u6cf5\uff08`EXPDP`\uff09\u5219\u662f\u73b0\u4ee3\u903b\u8f91\u5907\u4efd\u7684\u4e3b\u529b\u3002\u5b83\u652f\u6301\u5e76\u884c\u64cd\u4f5c\u3001\u7ec6\u7c92\u5ea6\u5bf9\u8c61\u9009\u62e9\uff08\u6309\u7528\u6237\u3001\u8868\u7a7a\u95f4\u3001\u8868\u3001\u751a\u81f3\u7279\u5b9a\u67e5\u8be2\u5bfc\u51fa\uff09\u3001\u538b\u7f29\u3001\u52a0\u5bc6\uff0c\u4ee5\u53ca\u5143\u6570\u636e\u548c\u6570\u636e\u7684\u5206\u79bb\u5b58\u50a8\u3002\u903b\u8f91\u5907\u4efd\u7684\u6838\u5fc3\u4ef7\u503c\u5728\u4e8e\u5176\u7075\u6d3b\u6027\u548c\u53ef\u79fb\u690d\u6027\uff1a\u5feb\u901f\u63d0\u53d6\u7279\u5b9a\u6a21\u5f0f\uff08Schema\uff09\u6216\u8868\u7684\u6570\u636e\uff1b\u8f7b\u677e\u5b9e\u73b0\u8de8\u5e73\u53f0\u3001\u8de8\u7248\u672c\uff08\u5982\u4ece11g\u8fc1\u79fb\u5230\u66f4\u9ad8\u7248\u672c\u6216\u4e91\u6570\u636e\u5e93\uff09\u7684\u6570\u636e\u8fc1\u79fb\uff1b\u5728\u906d\u9047\u67d0\u4e9b\u7269\u7406\u5907\u4efd\u4e5f\u65e0\u6cd5\u89e3\u51b3\u7684\u903b\u8f91\u635f\u574f\uff08\u5982\u5e94\u7528\u7ea7\u9519\u8bef\u5bfc\u81f4\u8868\u6570\u636e\u9519\u8bef\u8fde\u9501\uff09\u65f6\uff0c\u5229\u7528\u903b\u8f91\u5907\u4efd\u5bfc\u5165\u5230\u7279\u5b9a\u65f6\u95f4\u70b9\u7684\u526f\u672c\u6216\u65b0\u5e93\uff0c\u662f\u633d\u6551\u6570\u636e\u7684\u6709\u6548\u9014\u5f84\u3002<\/p>\n 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<\/p>\n 2025\u5e74\u7684\u5b9e\u6218\u6f14\u7ec3\uff1a\u4ece\u5907\u4efd\u5230\u6062\u590d\u7684\u95ed\u73af\u9a8c\u8bc1<\/strong><\/p>\n 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\u522b\u5fd8\u4e86\u6587\u6863\uff01\u5728\u7d27\u5f20\u7684\u538b\u529b\u4e0b\uff0c\u6e05\u6670\u7684\u6062\u590d\u64cd\u4f5c\u624b\u518c\uff08Runbook\uff09\u5c31\u662f\u6551\u547d\u7a3b\u8349\u3002\u624b\u518c\u5e94\u8be6\u7ec6\u8bb0\u5f55\uff1a\u5404\u7c7b\u6545\u969c\u573a\u666f\u7684\u5224\u5b9a\u6807\u51c6\u3001\u5bf9\u5e94\u7684\u8be6\u7ec6\u6062\u590d\u6b65\u9aa4\uff08\u542b\u5177\u4f53\u547d\u4ee4\u3001\u53c2\u6570\u3001\u9884\u671f\u8f93\u51fa\uff09\u3001\u5173\u952e\u6587\u4ef6\u7684\u4f4d\u7f6e\uff08\u5907\u4efd\u96c6\u3001\u5f52\u6863\u65e5\u5fd7\u3001\u53c2\u6570\u6587\u4ef6\u3001\u5bc6\u7801\u6587\u4ef6\u7b49\uff09\u3001\u56de\u9000\u65b9\u6848\u3001\u4ee5\u53ca\u76f8\u5173\u8054\u7cfb\u4eba\u548c\u5ba1\u6279\u6d41\u7a0b\u3002\u57282025\u5e74\uff0c\u8fd0\u7ef4\u56e2\u961f\u6d41\u52a8\u6027\u589e\u5927\uff0c\u77e5\u8bc6\u4f20\u627f\u6108\u53d1\u91cd\u8981\u3002\u8fd9\u4efd\u624b\u518c\u5fc5\u987b\u5b9e\u65f6\u66f4\u65b0\uff0c\u5e76\u786e\u4fdd\u6240\u6709\u76f8\u5173DBA\u90fd\u80fd\u719f\u7ec3\u7406\u89e3\u548c\u6267\u884c\u5176\u4e2d\u7684\u5173\u952e\u6b65\u9aa4\u3002\u771f\u6b63\u7684Oracle 11g\u5907\u4efd\u4e0e\u6062\u590d\u80fd\u529b\uff0c\u4e0d\u662f\u4f9d\u9760\u67d0\u4e2aDBA\u7684\u8bb0\u5fc6\u548c\u4e34\u573a\u53d1\u6325\uff0c\u800c\u662f\u5efa\u7acb\u5728\u5b8c\u5907\u7684\u6d41\u7a0b\u3001\u53ef\u9760\u7684\u81ea\u52a8\u5316\u5de5\u5177\uff08\u5982RMAN\u811a\u672c\uff09\u3001\u6e05\u6670\u8be6\u5b9e\u7684\u6587\u6863\u4ee5\u53ca\u7ecf\u8fc7\u53cd\u590d\u9a8c\u8bc1\u7684\u64cd\u4f5c\u7ecf\u9a8c\u4e4b\u4e0a\u3002\u5c24\u5176\u662f\u5728\u8fd9\u4e2a\u7248\u672c\u5df2\u201c\u8fc7\u65f6\u201d\u7684\u5e74\u4ee3\uff0c\u8fd9\u5957\u4f53\u7cfb\u662f\u4f60\u5bf9\u6297\u98ce\u9669\u7684\u552f\u4e00\u94e0\u7532\u3002<\/p>\n <\/p>\n \u95ee\u7b54\uff1aOracle 11g\u5907\u4efd\u4e0e\u6062\u590d\u7684\u5173\u952e\u7591\u95ee<\/strong><\/p>\n \u95ee\u98981\uff1aOracle 11g\u6570\u636e\u5e93\u5fc5\u987b\u5f00\u542f\u5f52\u6863\u65e5\u5fd7\u6a21\u5f0f(ARCHIVELOG)\u5417\uff1f\u4e0d\u5f00\u4f1a\u600e\u6837\uff1f<\/strong> <\/p>\n 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\n\u7b54\uff1a\u5bf9\u4e8e\u4efb\u4f55\u627f\u8f7d\u5173\u952e\u4e1a\u52a1\u3001\u8981\u6c42\u6570\u636e\u96f6\u4e22\u5931\u6216\u63a5\u8fd1\u96f6\u4e22\u5931\uff08RPO\u5c0f\uff09\u7684\u751f\u4ea7\u6570\u636e\u5e93\uff0c\u5f3a\u70c8\u8981\u6c42\u5fc5\u987b\u5f00\u542fARCHIVELOG\u6a21\u5f0f\uff01\u5982\u679c\u4e0d\u5f00\u542f\u5f52\u6863\u6a21\u5f0f\uff08\u5373NOARCHIVELOG\u6a21\u5f0f\uff09\uff0c\u540e\u679c\u975e\u5e38\u4e25\u91cd\uff1a
\n \u53ea\u80fd\u8fdb\u884c\u51b7\u5907\u4efd\uff08\u9700\u505c\u673a\uff09\u3002
\n \u6062\u590d\u80fd\u529b\u6781\u5176\u6709\u9650\uff1a\u53ea\u80fd\u6062\u590d\u5230\u6700\u8fd1\u4e00\u6b21\u5b8c\u6574\u5907\u4efd\u5b8c\u6210\u7684\u65f6\u95f4\u70b9\u3002\u5907\u4efd\u4e4b\u540e\u53d1\u751f\u7684\u6240\u6709\u6570\u636e\u53d8\u66f4\uff08\u63d2\u5165\u3001\u66f4\u65b0\u3001\u5220\u9664\uff09\u5c06\u6c38\u4e45\u4e22\u5931\u3002\u8fd9\u610f\u5473\u7740\u4e00\u65e6\u53d1\u751f\u4ecb\u8d28\u6545\u969c\uff0c\u53ef\u80fd\u4e22\u5931\u6570\u5c0f\u65f6\u751a\u81f3\u6570\u5929\u7684\u4e1a\u52a1\u6570\u636e\u3002
\n \u65e0\u6cd5\u8fdb\u884c\u4efb\u4f55\u5f62\u5f0f\u7684\u65f6\u95f4\u70b9\u6062\u590d\uff08PITR\uff09\u3001\u8868\u7a7a\u95f4\u65f6\u95f4\u70b9\u6062\u590d\uff08TSPITR\uff09\uff0c\u4e5f\u65e0\u6cd5\u5b9e\u73b0\u5b9e\u65f6\u5e94\u7528\uff08\u5982\u7269\u7406\u5907\u5e93Data Guard\uff09\u3002
\n\u57282025\u5e74\uff0c\u5927\u90e8\u5206\u751f\u4ea7\u7cfb\u7edf\u90fd\u65e0\u6cd5\u627f\u53d7\u5982\u6b64\u5927\u7684\u6570\u636e\u4e22\u5931\u98ce\u9669\u3002\u56e0\u6b64\uff0c\u5f00\u542f\u5f52\u6863\u65e5\u5fd7\u6a21\u5f0f\uff0c\u5e76\u786e\u4fdd\u5f52\u6863\u65e5\u5fd7\u7684\u5b89\u5168\u5907\u4efd\uff0c\u662f\u5b9e\u73b0\u6709\u6548\u6062\u590d\u80fd\u529b\u7684\u7edd\u5bf9\u524d\u63d0\u3002<\/p>\n
\n\u7b54\uff1a\u5728Oracle 11g\u4e2d\uff0cRMAN\u672c\u8eab\u4e0d\u63d0\u4f9b\u76f4\u63a5\u6062\u590d\u5355\u5f20\u7528\u6237\u8868\u7684\u529f\u80fd\uff08\u5757\u7ea7\u6062\u590d\u9488\u5bf9\u7684\u662f\u7269\u7406\u5757\u635f\u574f\uff09\u3002\u5b9e\u73b0\u201c\u8868\u7ea7\u6062\u590d\u201d\u4e3b\u8981\u6709\u4e24\u79cd\u601d\u8def\uff1a
\n1. \u8868\u7a7a\u95f4\u65f6\u95f4\u70b9\u6062\u590d\uff1a\u5982\u679c\u76ee\u6807\u8868\u4f4d\u4e8e\u72ec\u7acb\u7684\u8868\u7a7a\u95f4\uff0c\u6216\u8005\u53ef\u4ee5\u5c06\u8be5\u8868\u79fb\u52a8\u5230\u4e00\u4e2a\u72ec\u7acb\u7684\u8868\u7a7a\u95f4\uff0c\u5219\u53ef\u4ee5\u4f7f\u7528RMAN\u7684TSPITR\uff08Tablespace Point-in-Time Recovery\uff09\u529f\u80fd\u3002\u8fd9\u4f1a\u5c06\u6574\u4e2a\u8868\u7a7a\u95f4\u6062\u590d\u5230\u6307\u5b9a\u7684\u65f6\u95f4\u70b9\u6216SCN\u3002\u5b8c\u6210\u6062\u590d\u540e\uff0c\u5c06\u8be5\u8868\u7a7a\u95f4\u7f6e\u4e3a\u8bfb\u5199\u72b6\u6001\uff0c\u6b64\u65f6\u8be5\u8868\u7a7a\u95f4\u5185\u7684\u6240\u6709\u8868\u90fd\u6062\u590d\u5230\u4e86\u76ee\u6807\u65f6\u95f4\u70b9\u3002\u8fd9\u79cd\u65b9\u6cd5\u6548\u679c\u6700\u4f73\uff0c\u4f46\u8981\u6c42\u8868\u7a7a\u95f4\u7684\u9694\u79bb\u6027\uff0c\u4e14\u4f1a\u5f71\u54cd\u8be5\u8868\u7a7a\u95f4\u7684\u6240\u6709\u5bf9\u8c61\u3002
\n2. \u57fa\u4e8e\u903b\u8f91\u5907\u4efd\u7684\u6062\u590d\uff1a\u8fd9\u662f\u66f4\u5e38\u7528\u7684\u65b9\u6cd5\u3002\u524d\u63d0\u662f\u62e5\u6709\u76ee\u6807\u8868\u5728\u9519\u8bef\u53d1\u751f\u524d\u7684\u903b\u8f91\u5907\u4efd\uff08\u5982\u4f7f\u7528`EXPDP`\u5bfc\u51fa\u7684\u6570\u636e\u6cf5\u6587\u4ef6\uff09\u3002\u5177\u4f53\u6b65\u9aa4\uff1a
\n \u5728\u6e90\u6570\u636e\u5e93\u6216\u53e6\u4e00\u4e2a\u8f85\u52a9\u6570\u636e\u5e93\u4e0a\uff0c\u521b\u5efa\u4e00\u4e2a\u7a7a\u7684\u76ee\u6807\u8868\u7ed3\u6784\uff08\u4e0e\u9700\u6062\u590d\u7684\u8868\u4e00\u81f4\uff09\u3002
\n \u4f7f\u7528\u6570\u636e\u6cf5\u5bfc\u5165\u5de5\u5177(`IMPDP`)\u7684`TABLE_EXISTS_ACTION=TRUNCATE`\u6216`REPLACE`\u9009\u9879\uff0c\u5c06\u903b\u8f91\u5907\u4efd\u4e2d\u8be5\u8868\u7684\u6570\u636e\u5bfc\u5165\u5230\u7a7a\u8868\u4e2d\u3002
\n \u4ece\u8f85\u52a9\u5e93\u5c06\u6062\u590d\u597d\u7684\u8868\u6570\u636e\uff08\u901a\u8fc7\u6570\u636e\u5e93\u94fe\u63a5\u3001`EXPDP`\/`IMPDP`\u7b49\uff09\u8fc1\u79fb\u56de\u6e90\u6570\u636e\u5e93\u7684\u539f\u59cb\u4f4d\u7f6e\u3002
\n \u6216\u8005\uff0c\u66f4\u5b89\u5168\u7684\u505a\u6cd5\u662f\uff1a\u5728\u6e90\u6570\u636e\u5e93\u4e0a\u5148\u5c06\u9519\u8bef\u8868\u91cd\u547d\u540d\uff08\u5982`original_table_corrupted`\uff09\uff0c\u5bfc\u5165\u521b\u5efa\u65b0\u8868\uff0c\u5c06\u9700\u8981\u7684\u6570\u636e\uff08\u53ef\u80fd\u662f\u90e8\u5206\u5217\u6216\u90e8\u5206\u884c\uff09\u624b\u52a8\u6216\u901a\u8fc7\u7a0b\u5e8f\u8fc1\u79fb\u56de\u5e94\u7528\u3002
\n\u8fd9\u79cd\u65b9\u6cd5\u4f9d\u8d56\u53ef\u7528\u7684\u3001\u7b26\u5408\u65f6\u6548\u6027\u8981\u6c42\u7684\u903b\u8f91\u5907\u4efd\uff0c\u5e76\u4e14\u6d89\u53ca\u624b\u52a8\u64cd\u4f5c\u3002\u57282025\u5e74\u7684\u5b9e\u8df5\u4e2d\uff0c\u7ed3\u5408\u7cbe\u7ec6\u5316\u7684\u903b\u8f91\u5907\u4efd\u7b56\u7565\uff08\u5982\u5b9a\u671f\u5bfc\u51fa\u5173\u952e\u8868\uff09\u662f\u5f25\u8865RMAN\u7269\u7406\u5907\u4efd\u65e0\u6cd5\u5355\u72ec\u6062\u590d\u8868\u7684\u91cd\u8981\u65b9\u5f0f\u3002<\/p>\n