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Cognizant Azure Data Engineer Interview Questions and Answers
Cognizant Azure Data Engineer Interview Experiences
7 interviews found
MUVVA ANIL
(1 Question)
- Q1. What is a polybase ?
- Ans.
PolyBase is a technology in Azure that allows you to query data from external sources like Hadoop or SQL Server.
PolyBase enables you to run T-SQL queries on data stored in Hadoop or Azure Blob Storage.
It can also be used to query data from SQL Server, Oracle, Teradata, and other relational databases.
PolyBase uses external tables to define the schema and location of the external data sources.
It provides a seamless way t...
(1 Question)
- Q1. What is serverless sqlpool?
- Ans.
Serverless SQL pool is a feature in Azure Synapse Analytics that allows on-demand querying of data without the need for managing infrastructure.
Serverless SQL pool is a pay-as-you-go service for running ad-hoc queries on data stored in Azure Data Lake Storage or Azure Blob Storage.
It eliminates the need for provisioning and managing dedicated SQL pools, making it more cost-effective for sporadic or unpredictable worklo...
I was interviewed in Dec 2024.
(4 Questions)
- Q1. 2 Python Questions based on Strong and List manipulation.
- Q2. 2 Sql Questions
- Q3. 1 Pyspark Question
- Q4. What is service principal, ADF questions...
(2 Questions)
- Q1. Introduction. Question on last company why left.
- Q2. Salary Negotiation.
Selected
I applied via Naukri.com
(4 Questions)
- Q1. Based on my previous company projects
- Q2. SQL based questions are asked
- Q3. ADF based questions are asked
- Q4. Azure related questions are asked
(1 Question)
- Q1. Reg salary discussion
Interview Preparation Tips
What people are saying about Cognizant
I applied via Referral and was interviewed in May 2024. There was 1 interview round.
(2 Questions)
- Q1. Basic Pyspark questions
- Q2. SQL queries based on join , case and row to column changes
Interview Preparation Tips
- Azure
- pyspark
- sql join
Cognizant interview questions for designations
Subiksha Manojkumar
(1 Question)
- Q1. Regarding experience in previous company
(1 Question)
- Q1. How to copy multiple tables from on-prim to Azure blob storage
- Ans.
Use Azure Data Factory to copy multiple tables from on-premises to Azure Blob Storage
Create a linked service to connect to the on-premises data source
Create datasets for each table to be copied
Create a pipeline with copy activities for each table
Use Azure Blob Storage as the sink for the copied tables
Interview Preparation Tips
Skills evaluated in this interview
Interview Questionnaire
1 Question
- Q1. Whole architecture of azure project, eto solutions using ADF, ADB, few SQL queries , azure sql pool
Interview questions from similar companies
Selected
I was interviewed in Jan 2025.
(2 Questions)
- Q1. SQL medium questions to be done in Pyspark parallely.
- Q2. Datafactory and other azure resources scenario based
(1 Question)
- Q1. Project discussion with the team lead and manager
(1 Question)
- Q1. Technical and general discussion
I applied via Naukri.com and was interviewed in Nov 2024. There were 2 interview rounds.
(5 Questions)
- Q1. How would you create a pipeline for ADLS to SQL data movement?
- Q2. How would you create a pipeline from REST API to ADLS? What is there are 8 million rows of records?
- Q3. IF data needs filtering, joining and aggregation, how would you do it with ADF?
- Q4. Explain medallion architecture.
- Q5. Explain medallion with databricks
(1 Question)
- Q1. Basic questions and salary expectation.
Interview Preparation Tips
- ADF
- Databricks
I applied via Company Website and was interviewed in Dec 2024. There was 1 interview round.
(2 Questions)
- Q1. SCD type 1 and SCD type 2 in databircks
- Q2. How to pass parameters form ADF to ADB
Interview Preparation Tips
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Cognizant Azure Data Engineer Interview Process
based on 7 interviews
1 Interview rounds
- Technical Round
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Cognizant Azure Data Engineer Reviews and Ratings
based on 22 reviews
Rating in categories
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