{"id":115596,"date":"2024-04-19T12:43:44","date_gmt":"2024-04-19T04:43:44","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/115596.html"},"modified":"2024-04-19T12:43:45","modified_gmt":"2024-04-19T04:43:45","slug":"%e5%a6%82%e4%bd%95%e5%9c%a8sql%e4%b8%ad%e5%ae%9e%e7%8e%b0%e6%95%b0%e6%8d%ae%e5%ba%93%e5%bf%ab%e7%85%a7","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/115596.html","title":{"rendered":"\u5982\u4f55\u5728SQL\u4e2d\u5b9e\u73b0\u6570\u636e\u5e93\u5feb\u7167"},"content":{"rendered":"

\"\u5982\u4f55\u5728SQL\u4e2d\u5b9e\u73b0\u6570\u636e\u5e93\u5feb\u7167\"<\/p>\n

\u6570\u636e\u5e93\u5feb\u7167\u662f\u4e00\u79cd\u4fdd\u7559\u6570\u636e\u5728\u67d0\u4e00\u7279\u5b9a\u65f6\u95f4\u70b9\u72b6\u6001\u7684\u6280\u672f<\/strong>\uff0c\u53ef\u4ee5\u7528\u4e8e\u5907\u4efd\u3001\u5206\u6790\u6216\u6062\u590d\u6570\u636e\u3002\u5728SQL\u4e2d\uff0c\u5b9e\u73b0\u6570\u636e\u5e93\u5feb\u7167\u901a\u5e38\u6d89\u53ca\u5230\u521b\u5efa\u6570\u636e\u5e93\u526f\u672c\u3001\u4f7f\u7528\u4e8b\u52a1\u65e5\u5fd7\u3001\u5229\u7528\u7279\u5b9a\u7684\u6570\u636e\u5e93\u5feb\u7167\u529f\u80fd<\/strong>\uff0c\u4f8b\u5982\u5728SQL Server\u4e2d\u5229\u7528\u5feb\u7167\u9694\u79bb\u7ea7\u522b\u548c\u6570\u636e\u5e93\u5feb\u7167\uff0c\u6216\u5728Oracle\u4e2d\u4f7f\u7528\u95ea\u56de\u67e5\u8be2\u6280\u672f\u3002\u5177\u4f53\u65b9\u6cd5\u8fd8\u53d6\u51b3\u4e8e\u4f7f\u7528\u7684\u6570\u636e\u5e93\u7ba1\u7406\u7cfb\u7edf\u548c\u5176\u63d0\u4f9b\u7684\u529f\u80fd\u3002\u4f8b\u5982\uff0c\u5728SQL Server\u4e2d\uff0c\u521b\u5efa\u6570\u636e\u5e93\u5feb\u7167\u6d89\u53ca\u5230\u5728\u539f\u6709\u6570\u636e\u5e93\u4e0a\u8fd0\u884c\u7279\u5b9a\u7684CREATE DATABASE\u8bed\u53e5\uff0c\u5229\u7528AS SNAPSHOT OF\u5b50\u53e5\u3002<\/p>\n<\/p>\n

\u6570\u636e\u5e93\u5feb\u7167\u7684\u6838\u5fc3\u76ee\u7684\u662f\u786e\u4fdd\u5728\u521b\u5efa\u5feb\u7167\u7684\u90a3\u4e00\u523b\uff0c\u6570\u636e\u7684\u7cbe\u786e\u590d\u5236\u53ef\u4ee5\u88ab\u5b58\u50a8\u4e0b\u6765\u3002\u5728\u590d\u6742\u7684\u6570\u636e\u5e93\u64cd\u4f5c\u4e2d\uff0c\u7279\u522b\u662f\u90a3\u4e9b\u9700\u8981\u9ad8\u5ea6\u4e00\u81f4\u6027\u548c\u5feb\u901f\u6062\u590d\u7684\u573a\u666f\u4e0b\uff0c\u8fd9\u4e2a\u7279\u6027\u663e\u5f97\u5c24\u4e3a\u91cd\u8981\u3002\u6570\u636e\u5e93\u5feb\u7167\u4e0d\u4ec5\u53ef\u4ee5\u5e2e\u52a9\u6062\u590d\u5230\u5148\u524d\u7684\u72b6\u6001\u4ee5\u907f\u514d\u6570\u636e\u4e22\u5931\u3001\u9519\u8bef\u66f4\u65b0\u7b49\u95ee\u9898\uff0c\u8fd8\u53ef\u4ee5\u8f85\u52a9\u8fdb\u884c\u6570\u636e\u5206\u6790\u800c\u4e0d\u5e72\u6270\u5b9e\u65f6\u6570\u636e\u7684\u64cd\u4f5c\u3002<\/p>\n<\/p>\n

\u4e00\u3001\u7406\u89e3\u6570\u636e\u5e93\u5feb\u7167<\/h3>\n<\/p>\n

\u6570\u636e\u5e93\u5feb\u7167\u662f\u4fdd\u6301\u6570\u636e\u5728\u4e00\u5b9a\u65f6\u95f4\u70b9\u7684\u72b6\u6001\uff0c\u5b83\u4eec\u901a\u5e38\u662f\u53ea\u8bfb\u7684\u3002\u6bd4\u5982\uff0c\u5728\u8fdb\u884c\u7cfb\u7edf\u5347\u7ea7\u6216\u662f\u6570\u636e\u8fc1\u79fb\u524d\uff0c\u7ba1\u7406\u5458\u4f1a\u521b\u5efa\u5feb\u7167\u4ee5\u9632\u51fa\u73b0\u95ee\u9898\u65f6\u53ef\u4ee5\u8fc5\u901f\u6062\u590d\u81f3\u5347\u7ea7\u524d\u7684\u72b6\u6001\u3002\u5feb\u7167\u901a\u5e38\u7531\u6570\u636e\u5e93\u7ba1\u7406\u7cfb\u7edf\u63d0\u4f9b\u652f\u6301\uff0c\u5e76\u4e14\u6709\u4e00\u5b9a\u7684\u521b\u5efa\u548c\u7ef4\u6301\u6210\u672c\u3002<\/p>\n<\/p>\n

\u521b\u5efa\u65f6\u95f4\u70b9<\/h4>\n<\/p>\n

\u521b\u5efa\u5feb\u7167\u7684\u65f6\u95f4\u70b9\u81f3\u5173\u91cd\u8981\uff0c\u56e0\u4e3a\u5b83\u51b3\u5b9a\u4e86\u6570\u636e\u7684\u4e00\u81f4\u6027\u548c\u540e\u7eed\u7684\u4f7f\u7528\u3002\u4f8b\u5982\uff0c\u5982\u679c\u5728\u4e00\u4e2a\u590d\u6742\u7684\u4e8b\u52a1\u4e2d\u95f4\u521b\u5efa\u5feb\u7167\uff0c\u90a3\u4e48\u5feb\u7167\u5305\u542b\u7684\u6570\u636e\u53ef\u80fd\u662f\u4e0d\u5b8c\u6574\u6216\u4e0d\u4e00\u81f4\u7684\u3002<\/p>\n<\/p>\n

\u5feb\u7167\u7684\u7ef4\u62a4<\/h4>\n<\/p>\n

\u7ef4\u62a4\u6570\u636e\u5e93\u5feb\u7167\u610f\u5473\u7740\u786e\u4fdd\u5728\u6570\u636e\u66f4\u65b0\u65f6\uff0c\u5bf9\u5e94\u7684\u5feb\u7167\u8981\u4ee5\u4e00\u79cd\u65b9\u5f0f\u4e0e\u539f\u59cb\u6570\u636e\u540c\u6b65\u3002\u8fd9\u901a\u5e38\u901a\u8fc7\u5feb\u7167\u4e0b\u7684\u5199\u65f6\u590d\u5236\uff08Copy-on-Write\uff09\u673a\u5236\u6765\u5b9e\u73b0\uff0c\u53ea\u6709\u5728\u6570\u636e\u53d1\u751f\u4fee\u6539\u65f6\u624d\u5bf9\u5feb\u7167\u8fdb\u884c\u66f4\u6539\u3002<\/p>\n<\/p>\n

\u4e8c\u3001\u4f7f\u7528SQL Server\u521b\u5efa\u5feb\u7167<\/h3>\n<\/p>\n

\u5728SQL Server\u4e2d\uff0c\u60a8\u53ef\u4ee5\u5229\u7528\u5185\u7f6e\u7684\u5feb\u7167\u529f\u80fd\u6765\u521b\u5efa\u548c\u7ba1\u7406\u6570\u636e\u5e93\u5feb\u7167\u3002\u8be5\u529f\u80fd\u5141\u8bb8\u7528\u6237\u5728\u4e0d\u6253\u6270\u6b63\u5e38\u6570\u636e\u5e93\u64cd\u4f5c\u7684\u60c5\u51b5\u4e0b\uff0c\u521b\u5efa\u4e00\u4efd\u6570\u636e\u5728\u7279\u5b9a\u65f6\u95f4\u70b9\u4e0a\u7684\u9759\u6001\u89c6\u56fe\u3002<\/p>\n<\/p>\n

\u521b\u5efa\u5feb\u7167<\/h4>\n<\/p>\n

\u4e3a\u4e86\u521b\u5efa\u5feb\u7167\uff0c\u60a8\u9700\u8981\u4f7f\u7528TRANSACT-SQL\u8bed\u53e5\uff0c\u660e\u786e\u6307\u5b9a\u6e90\u6570\u636e\u5e93\u7684\u540d\u5b57\uff0c\u5e76\u7ed9\u5feb\u7167\u6307\u5b9a\u4e00\u4e2a\u540d\u5b57\u3002\u8fd9\u4e00\u822c\u901a\u8fc7CREATE DATABASE ... AS SNAPSHOT OF<\/code>\u8bed\u53e5\u5b8c\u6210\u3002<\/p>\n<\/p>\n

\u8bbf\u95ee\u5feb\u7167<\/h4>\n<\/p>\n

\u5f53\u5feb\u7167\u88ab\u521b\u5efa\u540e\uff0c\u5b83\u4f1a\u51fa\u73b0\u5728\u670d\u52a1\u5668\u5b9e\u4f8b\u4e0a\uff0c\u4f5c\u4e3a\u4e00\u4e2a\u53ea\u8bfb\u7684\u6570\u636e\u5e93\u3002\u7528\u6237\u53ef\u4ee5\u901a\u8fc7\u6807\u51c6\u7684SQL\u67e5\u8be2\u6765\u8bbf\u95ee\u5feb\u7167\u4e2d\u7684\u6570\u636e\uff0c\u5c31\u5982\u8bbf\u95ee\u4efb\u4f55\u5176\u4ed6\u7684\u53ea\u8bfb\u6570\u636e\u5e93\u4e00\u6837\u3002<\/p>\n<\/p>\n

\u4e09\u3001\u4f7f\u7528MySQL\u548cMariaDB\u5b9e\u73b0\u5feb\u7167<\/h3>\n<\/p>\n

\u867d\u7136MySQL\u548cMariaDB\u6ca1\u6709\u5185\u7f6e\u7684\u5feb\u7167\u529f\u80fd\uff0c\u4f46\u662f\u6211\u4eec\u4ecd\u7136\u53ef\u4ee5\u901a\u8fc7\u67d0\u4e9b\u65b9\u5f0f\u6765\u5b9e\u73b0\u7c7b\u4f3c\u5feb\u7167\u7684\u6548\u679c\u3002<\/p>\n<\/p>\n

\u5bfc\u51fa\u548c\u5bfc\u5165<\/h4>\n<\/p>\n

\u4e00\u4e2a\u5e38\u89c1\u7684\u5feb\u7167\u65b9\u6cd5\u662f\u4f7f\u7528mysqldump<\/code>\u5de5\u5177\u6765\u5bfc\u51fa\u6574\u4e2a\u6570\u636e\u5e93\u6216\u7279\u5b9a\u8868\u7684\u5185\u5bb9\uff0c\u7136\u540e\u5728\u9700\u8981\u65f6\u5c06\u5176\u5bfc\u5165\u65b0\u7684\u6570\u636e\u5e93\u5b9e\u4f8b\u3002<\/p>\n<\/p>\n

\u4f7f\u7528\u6587\u4ef6\u7cfb\u7edf\u5feb\u7167<\/h4>\n<\/p>\n

\u5728\u652f\u6301\u5feb\u7167\u7684\u6587\u4ef6\u7cfb\u7edf\u4e0a\uff0c\u5982ZFS\u6216Btrfs\uff0c\u53ef\u4ee5\u5728\u6587\u4ef6\u7cfb\u7edf\u5c42\u9762\u521b\u5efa\u6574\u4e2aMySQL\u6216MariaDB\u6570\u636e\u76ee\u5f55\u7684\u5feb\u7167\u3002<\/p>\n<\/p>\n

\u56db\u3001\u4f7f\u7528\u4e8b\u52a1\u65e5\u5fd7\u6062\u590d\u6570\u636e<\/h3>\n<\/p>\n

\u5728\u4e00\u4e9b\u6570\u636e\u5e93\u7cfb\u7edf\u4e2d\uff0c\u4f8b\u5982PostgreSQL\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u4e8b\u52a1\u65e5\u5fd7\u6765\u56de\u6eda\u6216\u91cd\u653e\u4e8b\u52a1\uff0c\u4ee5\u8fbe\u5230\u67d0\u79cd\u7a0b\u5ea6\u4e0a\u7684\u5feb\u7167\u6548\u679c\u3002<\/p>\n<\/p>\n

\u70b9\u5bf9\u65f6\u95f4\u6062\u590d (PITR)<\/h4>\n<\/p>\n

\u70b9\u5bf9\u65f6\u95f4\u6062\u590d\uff08PITR\uff09\u662f\u901a\u8fc7\u4f7f\u7528\u4e8b\u52a1\u65e5\u5fd7\u5c06\u6570\u636e\u5e93\u6062\u590d\u5230\u7279\u5b9a\u65f6\u95f4\u70b9\u7684\u6280\u672f\u3002\u8fd9\u8981\u6c42\u7cfb\u7edf\u8981\u7ef4\u62a4\u8be6\u7ec6\u7684\u65e5\u5fd7\uff0c\u5e76\u4e14\u6709\u80fd\u529b\u4ece\u65e5\u5fd7\u4e2d\u63d0\u53d6\u548c\u91cd\u6784\u6570\u636e\u3002<\/p>\n<\/p>\n

\u65e5\u5fd7\u5207\u7247<\/h4>\n<\/p>\n

\u4e3a\u4e86\u5728\u67d0\u4e2a\u65f6\u95f4\u70b9\u83b7\u53d6\u6570\u636e\u5feb\u7167\uff0c\u7ba1\u7406\u5458\u53ef\u4ee5\u9009\u62e9\u5728\u4e00\u4e2a\u65f6\u95f4\u70b9\u4e4b\u524d\u7684\u6240\u6709\u4e8b\u52a1\u65e5\u5fd7\u6765\u6062\u590d\u6570\u636e\u5e93\u3002\u8fd9\u79cd\u65b9\u6cd5\u901a\u5e38\u7528\u4e8e\u6bd4\u8f83\u5927\u7684\u6570\u636e\u96c6\uff0c\u9700\u8981\u6709\u8ba1\u5212\u6027\u7684\u64cd\u4f5c\u3002<\/p>\n<\/p>\n

\u4e94\u3001\u4f7f\u7528Oracle\u95ea\u56de\u6280\u672f<\/h3>\n<\/p>\n

Oracle\u6570\u636e\u5e93\u63d0\u4f9b\u4e86\u5f3a\u5927\u7684\u95ea\u56de\u6280\u672f\uff0c\u8fd9\u5141\u8bb8\u7528\u6237\u67e5\u8be2\u5386\u53f2\u6570\u636e\u6216\u662f\u5c06\u6574\u4e2a\u6570\u636e\u5e93\u56de\u6eda\u5230\u8fc7\u53bb\u67d0\u4e2a\u65f6\u95f4\u70b9\u3002<\/p>\n<\/p>\n

\u95ea\u56de\u67e5\u8be2<\/h4>\n<\/p>\n

Oracle\u7684\u95ea\u56de\u67e5\u8be2\u529f\u80fd\u5141\u8bb8\u7528\u6237\u901a\u8fc7\u5728SQL\u67e5\u8be2\u4e2d\u4f7f\u7528AS OF<\/code>\u5b50\u53e5\u6765\u8bbf\u95ee\u8fc7\u53bb\u67d0\u4e2a\u65f6\u95f4\u70b9\u7684\u6570\u636e\u3002<\/p>\n<\/p>\n

\u95ea\u56de\u6570\u636e\u5e93<\/h4>\n<\/p>\n

Oracle\u8fd8\u5141\u8bb8\u95ea\u56de\u6574\u4e2a\u6570\u636e\u5e93\u5230\u4e00\u4e2a\u6307\u5b9a\u7684\u65f6\u95f4\u70b9\uff0c\u8fd9\u901a\u8fc7\u91cd\u7f6e\u6570\u636e\u5e93\u91cc\u7684\u6240\u6709\u6570\u636e\u548c\u76f8\u5173\u4e8b\u52a1\u65e5\u5fd7\u6765\u5b9e\u73b0\u3002<\/p>\n<\/p>\n

\u516d\u3001\u5176\u4ed6\u6570\u636e\u5e93\u7684\u5feb\u7167\u6280\u672f<\/h3>\n<\/p>\n

\u5176\u4ed6\u6570\u636e\u5e93\u7cfb\u7edf\uff0c\u6bd4\u5982MongoDB\u548cCassandra\uff0c\u4e5f\u6709\u5feb\u7167\u529f\u80fd\uff0c\u4f46\u5b9e\u73b0\u65b9\u5f0f\u5404\u6709\u4e0d\u540c\u3002<\/p>\n<\/p>\n

MongoDB\u7684\u5feb\u7167<\/h4>\n<\/p>\n

MongoDB\u63d0\u4f9b\u4e86oplog\uff0c\u4e00\u4e2a\u7ef4\u62a4\u6240\u6709\u64cd\u4f5c\u8bb0\u5f55\u7684\u5faa\u73af\u65e5\u5fd7\uff0c\u901a\u8fc7\u5b83\u53ef\u4ee5\u5b9e\u73b0\u70b9\u5bf9\u65f6\u95f4\u6062\u590d\u3002\u540c\u65f6\uff0c\u53ef\u4ee5\u4f7f\u7528MongoDB Atlas\u6216\u8005\u6587\u4ef6\u7cfb\u7edf\u5feb\u7167\u6765\u5907\u4efd\u6570\u636e\u3002<\/p>\n<\/p>\n

Cassandra\u7684\u5feb\u7167<\/h4>\n<\/p>\n

Cassandra\u652f\u6301\u901a\u8fc7nodetool\u6765\u521b\u5efa\u6bcf\u4e2a\u8868\u7684\u5feb\u7167\u3002\u5b83\u5c06\u6570\u636e\u6587\u4ef6\u7684\u786c\u94fe\u63a5\u521b\u5efa\u5728\u5feb\u7167\u76ee\u5f55\u4e2d\uff0c\u4ece\u800c\u4fdd\u6301\u6570\u636e\u72b6\u6001\u3002<\/p>\n<\/p>\n

\u7ed3\u8bba<\/h3>\n<\/p>\n

\u5728SQL\u4e2d\u5b9e\u73b0\u6570\u636e\u5e93\u5feb\u7167\u5177\u6709\u591a\u79cd\u65b9\u5f0f\uff0c\u4e3b\u8981\u53d6\u51b3\u4e8e\u5177\u4f53\u7684\u6570\u636e\u5e93\u7ba1\u7406\u7cfb\u7edf\u548c\u5b83\u63d0\u4f9b\u7684\u529f\u80fd\u3002\u4eceSQL Server\u7684\u6570\u636e\u5e93\u5feb\u7167\u5230Oracle\u7684\u5f3a\u5927\u95ea\u56de\u6280\u672f\uff0c\u518d\u5230MySQL\u548cMariaDB\u4f7f\u7528\u5bfc\u51fa\u548c\u6587\u4ef6\u7cfb\u7edf\u5feb\u7167\u7684\u65b9\u6cd5\uff0c\u4e0d\u540c\u7684\u7cfb\u7edf\u63d0\u4f9b\u4e0d\u540c\u7684\u89e3\u51b3\u65b9\u6848\u3002\u6b64\u5916\uff0c\u4e86\u89e3\u5982\u4f55\u4f7f\u7528\u4e8b\u52a1\u65e5\u5fd7\u6062\u590d\u6570\u636e\u4e5f\u662f\u638c\u63e1\u6570\u636e\u5e93\u5feb\u7167\u7684\u5173\u952e\u90e8\u5206\u3002\u91cd\u8981\u7684\u662f\u8981\u6839\u636e\u81ea\u8eab\u4e1a\u52a1\u9700\u6c42\u548c\u73af\u5883\u60c5\u51b5\u6765\u9009\u62e9\u6700\u5408\u9002\u7684\u6570\u636e\u5e93\u5feb\u7167\u5b9e\u73b0\u65b9\u5f0f\u3002<\/p>\n<\/p>\n

\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n

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