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Microsoft DP-300 Exam - Topic 1 Question 44 Discussion
Topic #: 1
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You have an Azure Data Lake Storage account that contains a staging zone.
You need to design a daily process to ingest incremental data from the staging zone, transform the data by executing an R script, and then insert the transformed data into a data warehouse in Azure Synapse Analytics.
Solution: You use an Azure Data Factory schedule trigger to execute a pipeline that executes mapping data flow, and then inserts the data into the data warehouse.
Does this meet the goal?
If you need to transform data in a way that is not supported by Data Factory, you can create a custom activity,
not a mapping flow,5 with your own data processing logic and use the activity in the pipeline. You can create a
custom activity to run R scripts on your HDInsight cluster with R installed.
https://docs.microsoft.com/en-US/azure/data-factory/transform-data
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