... Default and variadic parameters for functions 函数的默认和动态参数 Parallel Restore 并行恢复 Column Permissions 列权限 ...
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Parallel recovery can use the ability of system I/O to shorten recovery time.
并行恢复能利用系统的I/O并行能力,缩短恢复的时间。
参考来源 - 达梦数据库系统备份与恢复机制研究·2,447,543篇论文数据，部分数据来源于NoteExpress
下面是OnBar活动日志的摘录，展示了顺序恢复与并行恢复之间的不同之处。
The difference between a sequential and a parallel restore is shown by the following excerpts from the OnBar activity log.
根据Informix的说法，onbar具有比ontape更好的功能；它可以执行并行备份和恢复，将对整体性能有益。
Well, according to Informix, onbar has a better functionality than ontape; it can perform parallel backup and restore and that would be beneficial to overall performance.
并行物理恢复('OnBar -r -p')
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