Both UPDATE and MERGE can update observations in a SAS data set. When we execute this code in SAS Studio, it will produce output according to the data values mentioned in the data set "essential" (consider the output image), but if you check it in the log window, you can see the error message. The SAS Update Statement updates a Master data set with Transactions from a Transaction. In the above code you can see, variable ID is common in both data sets essential and additional, but two data values (highlighted in images, one by green and another by red) of variable ID changed in dataset "additional." When handling the big dataset, the customized spark function was designed to. Input employeeid address$ father$ mother$ SAS merge is a special type of join that combines the tabular data together. Use the following syntax to merge dataset first and second:
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