Duck Creek Technologies Data Analyst Interview Questions and Answers

Q1. Asked about my academics and experience.
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Q1. Find second max salary of employee by department in sql
Ans. 
Find second max salary of employee by department in SQL
• Use GROUP BY clause to group employees by department

• Use MAX() function to find the maximum salary

• Use subquery to find the second maximum salary
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Q2. Find second max salary 9f employee by department using python pandas dataframe
Ans. 
Find second max salary of employee by department using pandas dataframe
• Group the dataframe by department

• Sort the salaries in descending order

• Select the second highest salary for each department
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Q3. Python code to download file from aws s3 to local using boto3
Ans. 
Python code to download file from aws s3 to local using boto3
• Install boto3 library using pip

• Create an S3 client using boto3

• Use the download_file method to download the file from S3 to local
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Q4. Write word count program in pyspark
Ans. 
A program to count the number of words in a text file using PySpark.
• Read the text file using SparkContext

• Split the lines into words using flatMap

• Map each word to a tuple of (word, 1)

• Reduce by key to count the occurrences of each word

• Save the output to a file
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Q1. Build ETL pipeline, Airflow, Projects
Ans. 
Building ETL pipelines using Airflow for data engineering projects.
• Define data sources and destinations

• Design data transformation processes

• Implement ETL workflows in Airflow

• Schedule and monitor pipeline executions

• Handle error handling and data quality checks
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Tableau intensive assignment with few questions on SQL and basic Python

Q1. Discussion on submitted assignment and current job role
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Q2. What kind of analysis have you done in your current role?
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Q1. Basic discussion on why I am switching from my current company and salary discussion
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Qualification verification

Technology and innovation

Q1. Self introduction
Ans. My name subikshajayaraman Coming from Ramnujapuram village
Answered by Subi Subiksha
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Q2. Family background
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Q3. Certificate verification
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Q4. I will complete the cooperative management
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Q5. Thank you sir / madam
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