RCG Global Services Database Engineer Interview Questions and Answers

Q1. What is bug in any application?
Ans. 
A bug in an application is an error, flaw, failure, or fault in the software code that causes it to produce incorrect or unexpected results.
• Bugs can range from simple syntax errors to complex logic issues.

• Common types of bugs include logic errors, syntax errors, and runtime errors.

• Examples of bugs include a calculator app displaying incorrect results, a website crashing when a specific button is clicked, or a game free
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Q1. What is the life cycle of bug?
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Bug life cycle includes identification, reporting, fixing, retesting, and closing.
• Identification: Bug is identified by testers during testing.

• Reporting: Testers report the bug to developers.

• Fixing: Developers fix the bug in the code.

• Retesting: Testers retest the fixed bug to ensure it is resolved.

• Closing: Once bug is confirmed fixed, it is closed.
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Q1. Why team bonding is needed for healthy work culture?
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Required to write codes in python

Required to write codes in python

Q1. Time to tackle difficulties
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Q2. Time to learn things outside school
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Easy excel and sql questions

Q1. How to do data migration
Ans. 
Data migration involves transferring data from one system to another while ensuring data integrity and minimizing downtime.
• Plan the migration process including identifying data to be migrated, mapping data fields, and setting up a timeline.

• Backup all data before starting the migration to prevent data loss.

• Use tools like ETL (Extract, Transform, Load) to extract data from the source system, transform it to fit the targe...read more
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Q2. Explain use of next js
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Next.js is a React framework that enables server-side rendering and other features for building fast and scalable web applications.
• Next.js allows for server-side rendering of React components, improving performance and SEO.

• It provides automatic code splitting for faster page loads.

• Next.js supports static site generation and serverless functions for building dynamic websites.

• It offers built-in routing and API routes for...read more
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Basic coding test like palindrome, series,arrays

Q1. Logical questions,puzzle, behavioural round, introduction
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3 online dsa questions easy to medium

There were questions of basic aptitude

Q1. Introduce yourself
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Q2. About my projects
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Q3. What is Radix sort
Ans. 
Radix sort is a non-comparative sorting algorithm that sorts integers by processing individual digits.
• Radix sort works by sorting numbers based on each digit's value, starting from the least significant digit to the most significant digit.

• It can be implemented using counting sort or bucket sort as a subroutine.

• Radix sort is efficient for sorting integers with a fixed number of digits, like phone numbers or social secur
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