What is the difference between inner and left join?
Sr Data Engineer Interview Questions
2,569 sr data engineer interview questions shared by candidates
Tell me about your past experience.
Write a sample pyspark code to perform a transformation and action
Integration runtime differences in Microsoft Azure
Conceito de slowly changing dimension, Star e snowflake schemas. Conceitos de Spark. Conceitos de Python.
- Preguntas de tecnologías usadas. - Preguntas técnicas sencillas de como aplicar esas tecnologías o de explicar la decisión de usar esa en lugar de otra.
Describe basic ML algorithms, talk about the data science / ML approach for different problems
Data model a travel use case
Mostly from Spark and Big data
Apache Spark Internals, persist, cache, checkpointing etc
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