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Evernorth Health Services Senior Data Engineer Interview Questions and Answers
Evernorth Health Services Senior Data Engineer Interview Experiences
1 interview found
narasimha palutla
(2 Questions)
- Q1. How to read a text file as one column in pysaprk and get the word counts
- Ans.
Read a text file as one column in pyspark and get word counts
Use SparkContext to read the text file and create a DataFrame with one column
Split the text column into words using split() function
Use groupBy() and count() functions to get the word counts
- Q2. Sql question to read the data between perticular range of min and max value of records
- Ans.
Use SQL's WHERE clause to filter records between specified min and max values.
Use the SELECT statement to choose the columns you want.
Utilize the WHERE clause to specify the range: WHERE column_name BETWEEN min_value AND max_value.
Example: SELECT * FROM table_name WHERE age BETWEEN 20 AND 30;
You can also use greater than and less than operators: WHERE column_name >= min_value AND column_name <= max_value.
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I applied via Naukri.com and was interviewed before Aug 2020. There were 4 interview rounds.
Interview Questionnaire
1 Question
- Q1. Technical questions : 1)oops concepts 2)plsql cursors, triggers, procedures 3)quick sort algorithm
Interview Preparation Tips
Pugazharasan S
Interview Questionnaire
2 Questions
- Q1. Tell me about yourself
- Q2. Reverse string
- Ans.
Reversing a string involves rearranging its characters in the opposite order, which can be done using various methods.
Use built-in functions: In Python, you can reverse a string with slicing: `reversed_string = original_string[::-1]`.
Iterative approach: Loop through the string from the end to the beginning and build a new string.
Using recursion: Define a function that calls itself with a smaller substring until it reac...
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Prashant Arun Hire
posted on 2 Mar 2022
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Senior Software Engineer Interview Questions & Answers
Tech Mahindra
Anonymous
posted on 26 May 2022
I applied via Approached by Company and was interviewed before May 2021. There were 2 interview rounds.
(2 Questions)
- Q1. They will ask about your past experience and current project details in detail.
- Ans. Just give the proper answer about your past experience very Convincingly and confidently.
- Q2. Few technical questions they will ask.
- Ans. If you already prepared for your interview, then you can answer the basic technical questions and you will get selected.
(1 Question)
- Q1. As this was the client round. Deep technical questions about relevant experience.
- Ans. Just answer to all the questions whatever they ask in very confident manner and should have manageable comm skill to clear the client round.
Interview Preparation Tips
I applied via Recruitment Consulltant and was interviewed before Nov 2021. There were 4 interview rounds.
MCQ's and Coding Problem - 1 related with Java, RDBMS, JS
(1 Question)
- Q1. Basic Question on Java and Project related questions
(1 Question)
- Q1. Introduction, Discussion regarding the roles and salary negotiation.
Interview Preparation Tips
Bhaskar Mishra
I applied via Recruitment Consultant and was interviewed in Aug 2021. There was 1 interview round.
Interview Questionnaire
1 Question
- Q1. String builder and string buffer When we create Arrays and when we create linked lists Treeset in Java Java 8 features Static keyword Dynamic method dispatch How to make a immutable cla...
- Ans.
Questions related to Java programming language concepts and features.
StringBuilder and StringBuffer are used for efficient string manipulation.
Arrays are fixed in size while linked lists can grow dynamically.
TreeSet is a sorted set implementation in Java.
Java 8 introduced lambda expressions, streams, and functional interfaces.
Static keyword is used to create class-level variables and methods.
Dynamic method dispatch is ...
Interview Preparation Tips
Skills evaluated in this interview
Nitin Sridhar
Interview Questionnaire
2 Questions
- Q1. Apigee
- Q2. Interal architecture
Interview Questionnaire
1 Question
- Q1. Where do you see yourself in 5 years.
Interview Questionnaire
1 Question
- Q1. Company hostory
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Overall Interview Experience Rating
based on 1 interview experience
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