Incedo Data Engineer Interview Questions and Answers

Based on SQL , statistics , python , cognitive

Q1. Based on AI/Ml and based on cv
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Q2. Based on projects
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Q1. How to handle toxic work culture?
Ans. 
Address toxic work culture by open communication, setting boundaries, seeking support, and considering leaving if necessary.
• Open communication with colleagues and management about issues

• Set boundaries to protect your mental and emotional well-being

• Seek support from HR, a mentor, or a therapist if needed

• Consider leaving the toxic work environment if the situation does not improve
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Q2. 5 strength and weakness
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Q1. Questions on Pyspark
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Q2. Questions on SQL
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Q3. Transformations
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Q4. Questions on Sql optimizations
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Q5. Questions About my current Project
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Q1. Incremental load in pyspark
Ans. 
Incremental load in pyspark refers to loading only new or updated data into a dataset without reloading the entire dataset.
• Use the 'delta' function in pyspark to perform incremental loads by specifying the 'mergeSchema' option.

• Utilize the 'partitionBy' function to optimize incremental loads by partitioning the data based on specific columns.

• Implement a logic to identify new or updated records based on timestamps or uni...read more
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Q2. Drop duplicates
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Technical Assessment Test (MCQs) - 30 mins.

Q1. Basic Questions on: 1.Python 2.SQL 3.Spark
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Q2. Python: Replace all occurrences of word: "apple" with "froot" and count no.of occurrences of word: "apple" - in a given string (multiple lines) SQL: 1. Retrieve employee details, drawing the maximum salar...read more
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Q3. Convert string (multiple lines) to list
Ans. 
Use the split() method to convert a string with multiple lines into a list of strings.
• Use the split() method with the newline character '\n' as the delimiter to split the string into a list of strings.

• Example: 'Hello\nWorld\n' -> ['Hello', 'World']
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Q4. Convert string of multiple lines with 'n' words to multiple arrays of fixed size: k, with no overlap of elements accross arrays.
Ans. 
Convert a string of multiple lines with 'n' words to multiple arrays of fixed size without overlap.
• Split the string into individual words

• Create arrays of fixed size 'k' and distribute words evenly

• Handle cases where the number of words is not divisible by 'k'
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Java and sql questions

Simple java program for find factorial and prime number

Basic aptitude and three levels of coding (easy,medium,hard)

Q1. Sql and java programming question
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Q1. Advanced questions on sql and programming
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Q1. Normal hobbies and communication skills
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