Method, device and system for restoring data
A recovery method and data technology, applied in the database field, can solve problems such as the inability to meet the needs of heterogeneous database disaster recovery systems, and achieve the effects of reducing the amount of operation log transmission, reducing the burden, and improving the speed of data recovery.
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[0056] For reference and clarity, descriptions, abbreviations or abbreviations of technical terms used hereinafter are summarized as follows:
[0057] Transaction: refers to a program execution unit that accesses and possibly updates various data items in the database, usually caused by the execution of user programs written in high-level database manipulation languages or programming languages (such as SQL, C++ or Java);
[0058] SQL: Structured Query Language, structured query language;
[0059] Commit: Commit the current transaction;
[0060] Rollback: Abort the current transaction;
[0061] Cache: cache;
[0062] Export Process: transfer process;
[0063] Import Process: import process;
[0064] Queue: Queue.
[0065] The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only ...
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