研究表明，迄今为止，计算机模拟的可变性比从代理记录中获得的数据要小得多。
Studies suggest that to date the variability in computer simulations is considerably smaller than in data obtained from the proxy records.
通过记录带有一个可变数据的项目和一个搜索字符串的简单测试开始。
Start by recording a simple test with one variable data item, a search string.
而对于可变长度的记录，其长度可能会变得不再适合初始页，因此必须将其转移到其他页。
However, a record of variable length can possibly be updated to a length that no longer fits on the original page, and so it must be moved to another page.
固定长度的记录要优于可变长度的记录，因为DB2代码专门为处理固定长度的记录进行优化。
Fixed-length records are preferred over varying length records, because the DB2 code is optimized for processing fixed-length records.
每个记录参考一个相关数据的可变长度存储器，一个64位key。而一个创建和删除处理ID根据这个key被索引。
Each record references a variable-length store of related data, a 64 bit key, and a creation and deletion transaction id which is indexed along with the key.
每个记录参考一个相关数据的可变长度存储器，一个64位key。而一个创建和删除处理ID根据这个key被索引。
Each record references a variable-length store of related data, a 64 bit key, and a creation and deletion transaction id which is indexed along with the key.
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