what is the difference between SET and MERGE?
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Answer Posted / swetha
We use merge when we have information abouth the topic in
two or more datasets. So that by merging we get the
complete information about the topic in one dataset.It is
combining the data horizontally.
But we use set, when the datasets are mutually exclusive.
i.e. information in dataset A in not depending the
information in dataset B.It is combining the data
vertically.
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