Honeywell Automation Data Analyst Interview Questions and Answers

Q1. Explain Order of execution in SQL
Ans. 
Order of execution in SQL determines the sequence in which different clauses are processed in a query.
• SQL query is processed in the following order: FROM, WHERE, GROUP BY, HAVING, SELECT, ORDER BY.

• FROM clause is processed first to retrieve data from tables.

• WHERE clause filters the data based on specified conditions.

• GROUP BY clause groups the data based on specified columns.

• HAVING clause filters the grouped data.

• SELECT ...read more
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Q2. Sumifs function
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Q3. Boxplots?Histograms?
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Q1. How did manage risks during migration of DB
Ans. 
I managed risks during migration of DB by conducting thorough risk assessments, creating backup plans, and involving key stakeholders.
• Conducted thorough risk assessments to identify potential issues

• Created backup plans to mitigate risks and minimize downtime

• Involved key stakeholders in the migration process to ensure alignment and support
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Q1. Career background
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Q2. Personal details
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Q1. How to improve report performance
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Q1. Write a python program for list/dictionary (comprehensions)
Ans. 
Python program for list/dictionary comprehensions
• List comprehension: [expression for item in iterable]

• Dictionary comprehension: {key_expression: value_expression for item in iterable}

• Example: squares = [x**2 for x in range(10)]

• Example: dict_squares = {x: x**2 for x in range(10)}
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Q2. Write a python program to convert a number to words. For ex: i/p 123, o/p - One hundred twenty three
Ans. 
Python program to convert a number to words.
• Use a dictionary to map numbers to words.

• Divide the number into groups of three digits and convert each group to words.

• Handle special cases like zero, negative numbers, and numbers greater than or equal to one billion.
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Q3. Questions on AWS glue/EMr cluster. How to filter a dataframe in PySpark ?
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Q1. Questions based on Terraform
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Q2. Write a python program for list/dictionary comprehensions.
Ans. 
Python program for list/dictionary comprehensions.
• List comprehension: [expression for item in iterable]

• Dictionary comprehension: {key_expression: value_expression for item in iterable}

• Example: squares = [x**2 for x in range(10)]

• Example: dict_squares = {x: x**2 for x in range(10)}
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Q1. Salary discussion
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Q1. Tricky sql questions
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Q1. He ask about of your previous company and all
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Q1. It totals depends upon for which profile you are giving interview. Mine was Data Analyst so the interviewer ask me about excel,sql,power bi and some part of statistics
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Q1. He just asked my about my profile briefly and then questioned me about my profile ony then he told me about the work culture and the requiremnt of the profile.
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Q1. How you load the data using delta table in adf
Ans. 
You can load data using delta table in ADF by using the Copy Data activity and specifying the delta format.
• Use the Copy Data activity in ADF to load data into a delta table

• Specify the delta format in the sink settings of the Copy Data activity

• Ensure that the source data is compatible with the delta format
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Q1. What is ETL, and can you provide examples from your project to illustrate its application?
Ans. 
ETL stands for Extract, Transform, Load. It is a process used to extract data from various sources, transform it into a consistent format, and load it into a target database.
• Extract: Retrieving data from different sources such as databases, APIs, or files.

• Transform: Cleaning, filtering, and structuring the extracted data to fit the target database schema.

• Load: Loading the transformed data into the target database for a...read more
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Q2. How do you handle multithreading in Python?
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Multithreading in Python can be handled using the threading module.
• Use the threading module to create and manage threads in Python.

• Avoid using the multiprocessing module for multithreading as it is more suitable for parallel processing.

• Ensure proper synchronization and locking mechanisms to prevent race conditions.

• Consider using thread pools for managing multiple threads efficiently.

• Example: import threading # Define ...read more
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A detailed discussion of the project from architecture to its implementation.

Q1. What is your notice period, what salary do you expect, and why are you seeking a job change?
Ans. 
I have a 1-month notice period, expecting market rate salary, seeking growth opportunities.
• Notice period is 1 month

• Expecting market rate salary

• Seeking growth opportunities in new role
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