Posted On: Apr 01, 2020
Few differences between union all and merge operation in SISS are
|Data that is stored in two different paths can be merged into one using the Merge option||Union all is also used to merge two or more data from different paths into one|
|Before executing, sorting transformation should be applied. This helps to sort the data before merging||Sorting transformation is not required for union all functions|
|The metadata of this type should be the same for all data||In union, all option, all data from different sources are transformed and then is displayed as a single set.|
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