而且定长表更加容易缓存与崩溃后重建，当然它会更消耗一些空间。
They are also easier to cache and easier to reconstruct after a crash. But they also can take more space.
如果没有可用的特定长度的DB 2表空间，可能会导致另一个问题。
Another problem may occur if no DB2 tablespace of a given length is available.
要把数据表中的相似重复记录标识出来，常用的方法是先将所有记录按照某个关键字进行索引，然后在一个固定长度的窗口范围内进行记录的两两比对。
The common approach of marking the approximately duplicate records is that a pair of records are compared in a window with fixed length after these records are indexed by a certain keyword.
偏离规定长度的偏差（应）不得超过表5中的规定。
Variation from the specified length shall not exceed the amount intable 5.
对BDB表，通常无论你用固定长度列或可变长度列没有太大差别。
For BDB tables, it usually doesn't make much difference whether you use fixed-length or variable-length columns.
对BDB表，通常无论你用固定长度列或可变长度列没有太大差别。
For BDB tables, it usually doesn't make much difference whether you use fixed-length or variable-length columns.
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