Answer:
► History Preserving is for providing new row in the target instead of updating the existing row.
► The columns are indicated for transforming the changes that are to be preserved.
► New rows are created when the value of certain column changes.
► Each of these rows is flagged as UPDATE.
► The UPDATE flag is applied for the input data set.
► The columns are indicated for transforming the changes that are to be preserved.
► New rows are created when the value of certain column changes.
► Each of these rows is flagged as UPDATE.
► The UPDATE flag is applied for the input data set.
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