The copy activity performs the following steps at high-level:
i) Read data from the source data store. (e.g., blob storage)
ii) Perform the following tasks on the data:
Serialization/deserialization
Compression/decompression
Column mapping
iii) Write data to the destination data store or sink. (e.g., azure data lake)
This is summarized in the below graphic:
Azure Data Factory_Copy Activity
Source:
https://docs.microsoft.com/en-us/learn/modules/intro-to-azure-data-factory/3-how-azure-data-factory-works
Azure Data Factory Interview Questions for Experienced Professionals
Azure Data Factory Interview Questions for Experienced Professionals
Experienced professionals must understand its capabilities and features with the growing demand for ADF. Check out some of the most commonly asked Azure Data Factory interview questions for experienced professionals based on years of experience, providing insights into what employers are looking for and what you can expect in your next job interview.