• DB 29中,在构建字典任何小于等于数据管理器最小记录长度数据行都用于抽样并且在行压缩期间不会压缩

    In DB2 9, any data row that is equal to or less than the database manager minimum record length is not used in the sampling when building the dictionary, and is not compressed during row compression.

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  • 对于数据小于等于最小记录长度压缩中的行为变化

    Behavior changes in row compression for tables that have data rows less than or equal to the minimum record length.

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  • 例如关于录制歌曲数据可能包括关于演唱者专辑作曲长度质量信息数据音频记录本身

    For example, metadata about a recorded song might include information about its artist, album, composer, length, or quality, whereas the data is the audio recording itself.

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  • 要把数据表中的相似重复记录标识出来,常用方法先将所有记录按照某个关键字进行索引,然后一个固定长度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.

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  • 每个记录参考相关数据可变长度存储器,一个64key一个创建删除处理ID根据这个key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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  • 每个记录参考相关数据可变长度存储器,一个64key一个创建删除处理ID根据这个key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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