Dear Members, Please help with some calculation here. Input Data: Here we have different systems (not only three, but it is also more than that), per system code we have some data in terms of GB with different dates. I have to calculate total "Size" for each "system" per month (assume here data is for Dec only). Date System Size 31/12/2022 CXV 158,9 Gb 31/12/2022 LZ0 947 Gb 31/12/2022 QZ0 14,68 Gb 30/12/2022 CXV 158,7 Gb 30/12/2022 LZ0 946,9 Gb 30/12/2022 QZ0 14,68 Gb 29/12/2022 CXV 158,4 Gb 29/12/2022 LZ0 946,9 Gb 29/12/2022 QZ0 14,68 Gb 28/12/2022 CXV 158,1 Gb 28/12/2022 LZ0 946,8 Gb 28/12/2022 QZ0 14,68 Gb Output: Date System Size Dec CXV 634.1 Gb Dec LZ0 3787.6 GB Dec QZ0 58.72 GB
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