Can you define a udf?
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Define big data analytics?
How does A/B testing work?
What are the core components that are utilized in hadoop?
How would you pipeline large amounts of data?
Name some Big Data products?
What are the responsibilities of a data analyst?
List the common input formats used in hadoop.
Is big data unstructured?
Name the language supported by apache spark for developing big data applications?
Define role of volume in big data?
What is the procedure to recover a namenode when it is slow?
Can you define fsck?