If information can go stale over time, add a time stamp to avoid using old data.
如果信息会随着时间的推移过时，那么添加时间戳以避免使用陈旧数据。
The downside is that it's log structured, and garbage collection is needed to clean up old data and metadata.
而缺点在于，它是日志结构的，所以需要垃圾收集，以便清理旧的数据和元数据。
If your EBS volume fails or if you need to restore old data from EBS, you will need to restore from your last snapshot.
如果您的ebs卷发生故障或者要从ebs恢复旧数据，就需要从最近的快照中恢复。
Usual practices indicate that organizations used to retain old data out of their own discretion or due to data's business value.
通常的经验表明，组织会从自身决策角度出发，或者是根据数据的业务价值来保留旧的数据。
In this application, since we're usually just deleting the rows of old data and creating rows with the new data, we mainly use a row-based feed.
在这个应用程序中，由于我们通常都只按行删除旧数据并按行添加新数据，所以我们主要使用基于行的提要。
If the file already exists, opening it in write mode clears out the old data and starts fresh, so be careful!
如果文件已经存在了，这样用写入的模式来打开，会把旧的文件都清除掉，然后重新写入文件，所以一定要小心！
The results of using this old data is that forecast promotion exceptions are often easy to ignore due to their large margin of error.
使用这些陈旧数据的结果是，促销异常情况预测经常容易被忽视，因为它们的误差幅度巨大。
As NILFS is log structured, new data is written to the head of the log while old data still exists (until it's necessary to garbage-collect it).
由于NILFS是基于日志结构的，新数据被写到日志的头部，而旧数据仍然保留(直到需要对旧数据进行垃圾收集)。
The paper presents an algorithm for incremental mining which is based on pattern decomposing tree and has no need for scanning old data base.
本文提出了一个基于模式分解树，不需要扫描原数据库的增量挖掘算法。
So to avoid a major change, the output service implementation will have to convert from the new data types to the old data types before returning them.
因此要避免重大改变，输出服务实现将在返回之前从新数据类型转变为旧数据类型。
The results show that the fading memory filter makes the position of target in echo images continuous by introducing the influence of old data on image update.
结果表明，渐消记忆滤波器通过引入旧数据对图像更新的影响，使得回波图像中目标位置的变化具有连续性。
The Italian Institute for Nuclear Physics (INFN), which runs the Gran Sasso lab, has just confirmed the earlier result based on a re-examination of the old data.
管理格朗萨索实验室的意大利核物理研究所[Italian Institutefor Nuclear Physics （INFN）]重新检查了过去的数据，再次确认了早先的结果。
Listing 3 creates a range-partitioned table with relational and XML data, rolls out (detaches) a partition containing old data, and rolls in (attaches) a partition containing recent data.
清单3创建一个包含关系和XML数据的范围分区表，滚出(分离)包含老数据的分区，滚入(附加)包含最近数据的分区。
Old data with five-digit zip codes will coexist with new data that contains nine-digit zip codes.
具有五位邮政编码的旧数据将与包含九位邮政编码的新数据共存。
Old data with five-digit zip codes will coexist with new data that contains nine-digit zip codes.
具有五位邮政编码的旧数据将与包含九位邮政编码的新数据共存。
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