Wohlig Transformations Interview Questions and Answers

Q1. Oops concept, comparator vs comparable , design principles. TDD , Circuit breaker design , integration testing , diff between hibernate and jpa , springboot annotations , restApi basics .
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Q1. Basic hr questions
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Q1. Questions relating to Finance process, Payroll, etc.
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Q1. About my previous experiences
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Q1. About roles and responsibilities
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Coding test in any language

Any topics for the GD

Q1. Experience about the java script
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Q2. My work experience about the java scirpt
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Q3. Palindrome in any code language
Ans. 
A palindrome is a word, phrase, number, or other sequence of characters that reads the same forward and backward.
• Check if the input string is equal to its reverse

• Ignore spaces and punctuation when checking for palindromes

• Convert the input string to lowercase for case-insensitive comparison
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Q4. Other general maths programming questions
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1. No one has joined the interview in the first time
2. One week later HR called and scheduled another interview, I communicated HR saying no panelist joined and no communication also. She simply said this time they well join.
Second time also no one joined.
3. Again after 10days HR called me and scheduled another interview. This time he joined.
4. Tell me about my self - I have introduced my self for 10 min
No introduction from his end and he didn’t turn on video
5. Directly he asked me to share screen entire window and asked me to fit a classification model by loading insurance day (mailed by them)

What I don’t understand is do we need to by-hart the entire code or what ? In this GPT age do we need to remember the complete syntax. I told him the steps what to do but he want me to code only.

Q1. Pretty simple and basic spark, very easy to crack, just be confident
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Q2. Project discussion
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Q1. Again a simple one, just need to know to basics of big data.
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Q1. More on interpersonal skills and behavioral one
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Q1. Difference between view and m-view
Ans. 
View is a virtual table based on a SQL query, while materialized view (m-view) is a physical copy of the data from the query.
• View is a virtual table that does not store data physically, while m-view is a physical copy of the data.

• Views are updated dynamically when queried, while m-views need to be refreshed to update the data.

• M-views are useful for improving query performance by pre-computing and storing results.
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