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Escorts Kubota Limited
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Escorts Kubota Limited Data Engineer Interview Questions and Answers
Escorts Kubota Limited Data Engineer Interview Experiences
1 interview found
Anonymous
I applied via Naukri.com and was interviewed in Jun 2024. There was 1 interview round.
(2 Questions)
- Q1. Explain ETL process
- Ans.
ETL process involves extracting data from various sources, transforming it to fit business needs, and loading it into a target database.
Extract: Retrieve data from different sources like databases, files, APIs, etc.
Transform: Clean, filter, aggregate, and convert data to meet business requirements.
Load: Insert the transformed data into a target database or data warehouse.
Example: Extracting sales data from a CRM system...
- Q2. How to check if file is empty using python
- Ans.
Use os.path.getsize() to check if file size is 0
Use os.path.getsize() to get the size of the file in bytes
Check if the size is 0 to determine if the file is empty
Skills evaluated in this interview
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Vaishnavi Singh
2 codes were there and it was really easy
(2 Questions)
- Q1. Types of data structures in python
- Ans.
Python has various data structures like lists, tuples, dictionaries, sets, etc.
Lists: Ordered, mutable, allows duplicate elements. Example: [1, 2, 3]
Tuples: Ordered, immutable, allows duplicate elements. Example: (1, 2, 3)
Dictionaries: Unordered, mutable, key-value pairs. Example: {'key': 'value'}
Sets: Unordered, mutable, unique elements. Example: {1, 2, 3}
- Q2. Structures of hadoop
- Ans.
Hadoop is a framework for distributed storage and processing of large data sets across clusters of computers.
Hadoop consists of HDFS (Hadoop Distributed File System) for storage and MapReduce for processing.
Hadoop uses a master-slave architecture with a single NameNode (master) and multiple DataNodes (slaves).
Hadoop ecosystem includes tools like Hive, Pig, Spark, and HBase for different data processing tasks.
Hadoop is ...
Skills evaluated in this interview
Ilyas Qazi
(2 Questions)
- Q1. Project exaination
- Q2. Behviaoural questions
Grishma Modi
(1 Question)
- Q1. Explain about your experience
- Ans.
I have 5 years of experience working as a Data Engineer in various industries.
Developed and maintained ETL pipelines to extract, transform, and load data from various sources
Designed and implemented data models to support business requirements
Optimized database performance and ensured data quality and integrity
Worked with cross-functional teams to analyze data and provide insights for decision-making
Proficient in progr...
Selected
I applied via Approached by Company and was interviewed in Jul 2023. There were 2 interview rounds.
(2 Questions)
- Q1. Separate integers and characters from a given string
- Ans.
Separate integers and characters from a given string
Iterate through each character in the string
Check if the character is a digit or a letter
Store the digits and letters in separate arrays
- Q2. Some SQL questions
(1 Question)
- Q1. About previous/current project
Skills evaluated in this interview
Prasanth Kumar
Selected
I applied via Recruitment Consulltant and was interviewed before Apr 2023. There was 1 interview round.
(2 Questions)
- Q1. Second highest salary in SQL
- Ans.
Use SQL query with ORDER BY and LIMIT to find the second highest salary.
Use SELECT statement to retrieve the salary column
Use ORDER BY clause to sort the salaries in descending order
Use LIMIT 1,1 to skip the first highest salary and retrieve the second highest salary
- Q2. Duplicate elements in list using python
- Ans.
Use Python to find duplicate elements in a list.
Iterate through the list and use a dictionary to store elements and their counts.
Identify elements with counts greater than 1 as duplicates.
Return a list of duplicate elements found.
Skills evaluated in this interview
I applied via Job Portal and was interviewed before Jun 2023. There was 1 interview round.
(2 Questions)
- Q1. Data partitioning
- Q2. Data clustering
Interview Preparation Tips
Selected
I applied via Campus Placement and was interviewed before Apr 2023. There were 2 interview rounds.
Its consists of total 50 mcq questions.
(1 Question)
- Q1. Here they asked me technical question from the machine learning, SQL, and project mention in CV.
Interview Preparation Tips
I applied via campus placement at Vellore Institute of Technology (VIT) and was interviewed in Dec 2022. There were 4 interview rounds.
Python, SQL, Word, Powe point and Excel
(1 Question)
- Q1. Tell about any project that you worked with data How do clean dirty data
- Ans.
I worked on a project to clean dirty data
Identify and understand the data quality issues
Remove duplicate records
Handle missing values by imputation or deletion
Standardize and normalize data formats
Correct inconsistent or inaccurate data
Validate data against predefined rules or constraints
Perform data profiling and outlier detection
Implement data validation checks during data ingestion
Use data cleaning tools and techniq...
(1 Question)
- Q1. About this company why this company about family day to day activities
Interview Preparation Tips
I was interviewed in Aug 2021.
Interview Questionnaire
1 Question
- Q1. How to reduce shuffling
- Ans.
Shuffling can be reduced by optimizing data partitioning and minimizing data movement.
Use partitioning techniques like bucketing and sorting to minimize shuffling
Avoid using wide transformations like groupBy and join
Use broadcast variables to reduce data movement
Optimize cluster configuration and resource allocation
Use caching and persistence to avoid recomputation
Consider using columnar storage formats like Parquet or
Interview Preparation Tips
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