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Sunday, June 17, 2007

What is the difference between internal tables and extract datasets?

A. The lines of an internal table always have the same structure. By using extract
datasets, you can handle groups of data with different structure and get statistical
figures from the grouped data.
B. You have to define the structure of the internal table at the begining. You need
not define the structure of the extract dataset.
C. In contrast to internal tables, the system partly compresses extract datasets
when storing them. This reduces the storage space required.
D. Internal tables require special work area for interface whereas extract datasets
do not need a special work area for interface.

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