Darwinbox SDE (Software Development Engineer) Interview Questions and Answers

Focused more on Logics and DSA

Q1. Just with Formal Questions
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Q1. Achievements in your previous organisation
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Q1. What motivates you to join this organisation
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Q1. Basic questions about self and from resume.
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Q1. Communication skills and confidence checking
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Q1. About last experience and CTC discussion.
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General Computer Science Questions.

Q1. 2NF and 3NF difference
Ans. 
2NF eliminates partial dependencies, while 3NF eliminates transitive dependencies.
• 2NF eliminates partial dependencies by ensuring all non-key attributes are fully functionally dependent on the primary key.

• 3NF eliminates transitive dependencies by ensuring that non-key attributes are not dependent on other non-key attributes.

• Example: In a table with columns A, B, and C where A is the primary key, if B depends on A and C...read more
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Q2. Alternative of using loop to print 1 to 100
Ans. 
Using recursion to print numbers from 1 to 100 without a loop
• Create a recursive function that takes a number as input and prints it

• Call the function with 1 as the initial input and increment the input by 1 in each recursive call

• Stop the recursion when the input reaches 100
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Q3. Delete and Truncate Difference
Ans. 
Delete removes rows from a table while truncate removes all rows from a table.
• Delete is a DML command while truncate is a DDL command.

• Delete operation can be rolled back while truncate operation cannot be rolled back.

• Delete operation fires triggers on each row deletion while truncate operation does not fire triggers.
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Q1. Copy constructor implementation it was based on
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Q1. Binary search question on array
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Q1. Experience and expectations on salary
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Q1. Laravel Question
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Q1. Salary Discussion
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It's more deficult it's not easy round

Q1. Speed and distance
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Q2. Age problem and ratioo
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Q1. Based on profile and Job description
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