General discussion ,basic questions related to data engineer
Senior Data Engineer Interview Questions
2,569 senior data engineer interview questions shared by candidates
which model to get results from a cube with low latency? what are the models in warehouse? how to use merge statement in which scenario? what motivates you to work? interviewer has some timelines sometimes with good plan sometime have to deliver at gunpoint..etc, how comfortable are you..etc?
Teradata SQL,Dwh,Hadoop,ControlM,Architect ,Design related questions
Rdd and dataframe s behind the scene
Describe a project that you have done. Discuss the overall flow of how it works. Problem: Given a time series data which is a clickstream of user activity is stored in hive, ask is to enrich the data with session id using spark. Session Definition: Session expires after inactivity of 1 hour Data: click_time,user_id 2018-01-01 11:00:00,u1, u1s1 2018-01-01 12:10:00,u1, u1s2 2018-01-01 13:00:00,u1, u1s2 2018-01-01 13:50:00,u1 2018-01-01 14:40:00,u1 2018-01-01 15:30:00,u1 2018-01-01 16:20:00,u1 2018-01-01 16:50:00,u1 2018-01-01 11:00:00,u2 2018-01-02 11:05:00,u2
Un dataset m'a été envoyé, je dois effectuer les opérations de nettoyage et faire une analyse descriptive des données sur pyspark.
L1: core technical discussion for 1 hour( coding, system design, scenario based) L2: Client interviews ( 2 hours, detailed discussion about system design and integration and analytics, KPI) L3: Client interviews ( 2 hours, live project implementation)
Liquid Clustering, he just asked which framework you have worked, he should be more clear when asking questions
Software Engineering and Data Engineering questions.
How would you encourage business teams to change their mindset from relying on a central data team to developing/managing data projects in a data-mesh context.
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