What is the ETL process in data management?
ETL stands for Extract, Transform, Load. It's a process used to move data from one system to another.
Can you explain each step of the ETL process?
Sure! First, in the Extract phase, data is collected from various sources. Then, in the Transform phase, the data is cleaned and formatted. Finally, in the Load phase, the transformed data is loaded into a target database.
What tools are commonly used for ETL?
Common ETL tools include Apache Nifi, Talend, and Informatica. They help automate the ETL process.
How does ETL differ from ELT?
In ETL, data is transformed before loading, while in ELT, data is loaded first and then transformed in the target system.
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