TailNode Software Engineer Interview Questions and Answers

I was given two sum problem and was asked about NodeJs working

Q1. How will u get employees where u have to take data from another collection or table and join them on basis of ids to get their details?
Ans. 
Use SQL queries to join tables based on IDs to retrieve employee details.
• Use SQL JOIN statement to combine data from multiple tables based on a related column (e.g. employee ID).

• Identify the common column (ID) in both tables to establish the relationship.

• Select the columns you want to retrieve from both tables in the SELECT statement.

• Use INNER JOIN, LEFT JOIN, RIGHT JOIN, or FULL JOIN based on the requirement of includ
Answered by AI
Add your answer
Q2. How will scale the above problem on basis of using different DB or or caching storage mechanism?
Ans. 
Scaling the problem using different DB or caching storage mechanism involves evaluating performance requirements, data structure, and access patterns.
• Evaluate performance requirements to determine if a different DB or caching storage mechanism is necessary

• Consider the data structure and access patterns to choose the most suitable storage solution

• Implement sharding or partitioning for horizontal scaling with a different...read more
Answered by AI
Add your answer

Q1. Past experiences.
Add your answer
Q2. How would tackle difficult to communicate effectively while making your point.
Ans. 
I would use clear and concise language, provide examples, and actively listen to ensure understanding.
• Use clear and concise language to avoid confusion

• Provide examples to illustrate your point

• Actively listen to ensure understanding and address any confusion
Answered by AI
Add your answer

Q1. Survey type question on ground survey.
Add your answer