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Interview Questions

Real questions from top companies Β· easy

700+ Easy450+ Medium650+ Hard
All CategoriesBehavioralSpark/Big DataSQLPython/CodingSystem Design/ArchitectureCloud/ToolsGeneral/Othereasymediumhard
1

What are traits in Scala, and how are they different from classes?

Python/Codingeasyspark0.8 min read
AltimetrikCapgeminiCoforgeInfosys+1
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2

Tell me about your family background

Behavioraleasy0.7 min read
Fossil GroupMeesho
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3

What are your salary expectations for this role?

Behavioraleasy0.6 min read
EPAMFragma Data SystemsThoughtworksWipro
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4

Where do you see yourself in your career five years from now?

Behavioraleasy0.6 min read
EPAMFossil GroupPumaWipro
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5

What are Airflow Operators? Give examples.

Cloud/Toolseasyairflowpythonsql0.5 min read
AltimetrikEYFossil GroupTech Mahindra
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6

CDC During Migration - explain approaches for real-time Change Data Capture

System Design/Architectureeasy0.5 min read
MoonfareSnowflake
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7

Explain the differences between a Data Lake and a Data Warehouse.

SQLeasylakehousesnowflakesql2 min read
ChryselysFedEx DataworksLumiqNAB
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8

Explain the concept of ACID properties in the context of databases.

SQLeasy2 min read
AccentureCognizantEPAMYash Technologies
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9

What is the difference between Managed and External tables in Hive/Spark?

Spark/Big Dataeasyspark2 min read
CitiDunnhumbyFragma Data Systems
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10

What is the difference between a list and a tuple in Python?

Python/Codingeasypython2 min read
AccentureDelivery HeroFragma Data Systems
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11

Explain the difference between shallow copy and deep copy in Python.

Python/Codingeasypython2 min read
Delivery HeroDunnhumbyFragma Data Systems
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12

Write a Python function to find the first non-repeating character in a string.

Python/Codingeasypython2 min read
Delivery HeroDunnhumbyFragma Data Systems
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13

What are decorators in Python, and how do they work?

Python/Codingeasypython2 min read
Delivery HeroFragma Data SystemsSwiggy
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14

Explain the difference between args and kwargs in Python.

Python/Codingeasypython1 min read
Delivery HeroFragma Data SystemsSwiggy
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15

How do you ensure smooth communication between data scientists, business teams, and developers?

Behavioraleasy0.7 min read
AccentureYash Technologies
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16

How do you handle disagreements within a team?

Behavioraleasy0.6 min read
ExpediaWarner Bros Discovery
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17

What is the most difficult task you've ever worked on?

Behavioraleasylakehousesparksql0.6 min read
CognizantIncedo
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18

Why should we hire you for this role?

Behavioraleasysnowflakespark2 min read
AccentureIncedoMatrix
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19

Explain the difference between Azure Data Factory (ADF) and Databricks.

Cloud/Toolseasypythonspark0.6 min read
AccentureEYIncedo
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20

How do you handle data security and compliance in a cloud environment?

Cloud/Toolseasy0.6 min read
EPAMInfosys
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