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Wissen Technology
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1- sql adn 10 spark questions.
Coding question for SQL and multiple choice questions around pyspark and python
1 hr test contains 2 coding questions and 1 SQL question
What people are saying about Wissen Technology
It is online test shared to email, contains mcq and coding questions
Wissen Technology interview questions for designations
I applied via Naukri.com and was interviewed in Jan 2024. There was 1 interview round.
Partitioning in Hive is a way to organize data in a table into multiple partitions based on one or more keys.
Partitioning helps in improving query performance by allowing Hive to only read the relevant partitions instead of scanning the entire table.
Partitions can be based on one or more columns, such as date, region, or category.
Partitioning can also help in managing large datasets efficiently by dividing them into sm...
I was interviewed in Oct 2024.
Designing an ADF pipeline for data processing
Identify data sources and destinations
Define data transformations and processing steps
Consider scheduling and monitoring requirements
Utilize ADF activities like Copy Data, Data Flow, and Databricks
Implement error handling and logging mechanisms
Discussing expected and current salary for negotiation purposes.
Be honest about your current salary and provide a realistic expectation for your desired salary.
Highlight your skills and experience that justify your desired salary.
Be open to negotiation and willing to discuss other benefits besides salary.
Research industry standards and salary ranges for similar positions to support your negotiation.
Focus on the value y...
I applied via Naukri.com and was interviewed in Oct 2024. There were 2 interview rounds.
Spark performance problems can arise due to inefficient code, data skew, resource constraints, and improper configuration.
Inefficient code can lead to slow performance, such as using collect() on large datasets.
Data skew can cause uneven distribution of data across partitions, impacting processing time.
Resource constraints like insufficient memory or CPU can result in slow Spark jobs.
Improper configuration settings, su...
posted on 16 Dec 2024
I applied via Recruitment Consulltant and was interviewed in Nov 2024. There were 2 interview rounds.
based on 5 interviews
1 Interview rounds
Senior Software Engineer
554
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Software Engineer
537
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| ₹5.5 L/yr - ₹23 L/yr |
Principal Engineer
256
salaries
| ₹16 L/yr - ₹42 L/yr |
Associate Software Engineer
152
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| ₹5.5 L/yr - ₹16 L/yr |
Senior Principal Engineer
131
salaries
| ₹22 L/yr - ₹48 L/yr |
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