数据库销毁系统的设计与实现-免费论文 关键词：数据库;数据覆写;自毁;远程销毁;不可恢复性 [gap=847]Key words：database;data overwriting;self-destroy;long-distance destroy;un-recovered
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use data overwriting 覆盖用户数据区
In this strategy, once the last primary log file is filled in the log directory, new transactions will be written to the first log file thereby overwriting existing log data.
在此策略中，一旦日志目录中最后一个主日志文件被写满了，就会将新的事务写到第一个日志文件中，从而覆盖现有的日志数据。
Similarly, all accesses to arrays and strings are checked at run-time to ensure that they are in bounds, eliminating the possibility of overwriting memory and corrupting data.
类似地，所有对字符串和数组的访问在运行时被检查来确保他们没有越界，消除越界导致的内存重写和数据损坏的问题。
The process writes whatever data it can until the end of the buffer, and the remaining data is copied to start overwriting the previous log entry.
该进程写入数据，一直到达缓冲区的末尾，然后将剩余的数据复制到缓冲区的开始位置，覆盖以前的日志条目。
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