data warehouse concepts, etl , sql , excel
Etl Engineer Interview Questions
780 etl engineer interview questions shared by candidates
Basic ETL questions and scenario.
SQL tuning,data warehouse and stages in datasatge. Difference between lookup,merge&join stage in datastage.
Conocimientos básico para un trabajo de entrada en el área de datos.
For Talend: Dynamic schema loading, Dynamically deployment of jobs in Test and Production environment. There were few more questions. SQL questions were pretty much common. Like Nth highest salary.
Mappings, tuning, performance ,session, examples
What's your approach to solving issues?
Come svilupperesti le regole di controllo formale sui dati per garantire le specifiche su data quality? Sai utilizzare le regular expressions? Cos'è una Lookup e come funziona?
SQL joins and manual testing basics
Performance tuning
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