ValueMomentum Interview Questions, Process, and Tips

Time and Work,Find next in series ,Verbal,Listening test,Communication test

Two coding tests
My preferable Language was Python
First round focused on basics loops decision statements in 1st question and in second question focused on medium level topics like sorting
Be good at basics like arrays strings sorting dsa easy level questions
Secound round was advance python questuons related to data engineering mcqs and coding question on Pyspark easy level questions were asked go through basics of pyspark and sql

Q1. Questions on projects
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Q2. Basic Questions on python like lambda functions,self,oops concepts
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Q3. Diff between List and Tuple
Ans. 
List is mutable, Tuple is immutable in Python.
• List can be modified after creation, Tuple cannot be modified.

• List uses square brackets [], Tuple uses parentheses ().

• List is used for homogeneous data, Tuple is used for heterogeneous data.
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Q4. Diff between 'is' and ==
Ans. 
The 'is' keyword is used for identity comparison, while '==' is used for equality comparison.
• The 'is' keyword checks if two objects are the same instance in memory.

• The '==' operator checks if two objects have the same value.

• Example: x is y (checks if x and y refer to the same object), x == y (checks if the values of x and y are equal)
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Q1. It was just HR told about company benefits and asked about family that's it
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Q1. Garbage Collection work flow
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Q2. Software design patterns
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Q1. To find employee with 15th highest salary
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Q2. Types of scd and what is SCD1 SCD2 and SCD3
Ans. 
SCD stands for Slowly Changing Dimensions. SCD1, SCD2, and SCD3 are different types of handling changes in data over time.
• SCD1: Overwrites old data with new data, no history is kept.

• SCD2: Adds new records for new data, keeps history with effective start and end dates.

• SCD3: Adds new columns to track changes, keeps history within the same record.
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Q1. Related to Python, SQL, Power BI, basic ML
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Q1. Advanced SQL, Python, Power BI
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Q1. Managerial + Technical: Projects, STAR based, situational, experience based
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Q1. Projects, technical proficiency, experience based, salary discussion
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