What are the differences between union all and merge operation in SISS?
devquora
Posted On: Nov 10, 2022
The main differences between union all and merge operations in SISS are as follows -
| Merge | Union all |
| 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 the union of all functions |
| The metadata of this type should be the same for all data | In union, all options, and all data from different sources are transformed and then displayed as a single set. |
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