If the size of the data to sort is too large, the data must go to temporary files on disk and be sorted again.

如果要排序的数据太大，那么数据就必须保存到磁盘上的临时文件中，并再次进行排序。

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In addition, there are many temporary TDB files that store state information and cached data.

另外，存在许多存储状态信息和缓存数据的临时tdb文件。

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DB2 9.7 compresses more than just row data; it can also compress indexes, log files, temporary tables, inline XML data, and large objects.

DB 2 9.7不仅压缩行数据；它还可以压缩索引、日志文件、临时表、内联x ML数据和大对象。

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