In the process of checkpoint, WAL ( Write-Ahead Logging) rule does not permit updating the database before the corresponding log records having been written into the log file.
WAL(Write Ahead Logging)是指当执行检查点时,相应的日志记录刷新到稳定存储器前,不允许对数据库做实际的更新。
The state does not permit write-in votes.
该州不允许投票给非推荐候选人。
Let us permit US companies to write off all their capital expenditures when they make them, as opposed to the current system of long-term depreciation.
让我们允许美国企业在资本支出发生之时就予以摊销,而不是采取现行的长期折旧制度。
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