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I applied via Recruitment Consulltant and was interviewed before Nov 2022. There were 3 interview rounds.
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Hacker rank test for 2 hours. Language of your choice and problem solving and sql and data structures
Handling different types of data, SQL functions, design considerations, and performance optimization.
Understand the data types and their limitations
Use appropriate SQL functions for data manipulation
Consider normalization and denormalization for database design
Optimize queries and indexes for better performance
Use caching and partitioning for large datasets
Examples: DATE functions, JOINs, indexing, partitioning
Handling data skewness in Spark and performance optimization techniques in Hive
For data skewness in Spark, use techniques like partitioning, bucketing, and salting
In Hive, use techniques like partitioning, bucketing, and indexing for performance optimization
Other techniques include using appropriate data types, optimizing queries, and using compression
Example: In Spark, partitioning can be done based on a column with h...
I applied via Recruitment Consulltant and was interviewed in Aug 2022. There were 3 interview rounds.
posted on 19 Dec 2023
I applied via Recruitment Consulltant and was interviewed before Dec 2022. There were 2 interview rounds.
I will handle a rude customer by remaining calm, empathizing with their frustration, and finding a solution to their problem.
Stay calm and composed
Listen actively to understand their concerns
Empathize with their frustration
Apologize for any inconvenience caused
Offer a solution or alternative
Seek assistance from a supervisor if necessary
Maintain professionalism throughout the interaction
I applied via Approached by Company and was interviewed before May 2017. There were 6 interview rounds.
based on 6 reviews
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