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3i Infotech Mysql Database Administrator Interview Questions, Process, and Tips

Updated 17 Sep 2024

3i Infotech Mysql Database Administrator Interview Experiences

1 interview found

Interview experience
4
Good
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Referral and was interviewed before Sep 2023. There was 1 interview round.

Round 1 - One-on-one 

(4 Questions)

  • Q1. What is database?
  • Ans. 

    A database is a structured collection of data that is organized in a way that allows for easy access, management, and retrieval.

    • A database is used to store and organize data in a structured format.

    • It allows for efficient retrieval and manipulation of data.

    • Examples of databases include MySQL, Oracle, SQL Server, and MongoDB.

  • Answered by AI
  • Q2. What is MySQL? why it is popular?
  • Ans. 

    MySQL is an open-source relational database management system that is popular for its ease of use, flexibility, and scalability.

    • MySQL is an open-source RDBMS, allowing users to freely use, modify, and distribute the software.

    • It is known for its ease of use, making it accessible for beginners and experts alike.

    • MySQL is highly flexible, supporting various data types and storage engines.

    • It is popular for its scalability, ...

  • Answered by AI
  • Q3. How to retrieve set of data in a database?
  • Ans. 

    To retrieve a set of data in a database, you can use SQL queries to specify the data you want to retrieve.

    • Use SELECT statement to specify the columns you want to retrieve

    • Use FROM clause to specify the table where the data is stored

    • Use WHERE clause to specify any conditions for filtering the data

    • Use ORDER BY clause to specify the order in which the data should be returned

    • Use LIMIT clause to specify the maximum number of

  • Answered by AI
  • Q4. How to know the disk utilization in linux?
  • Ans. 

    To know disk utilization in Linux, use commands like df, du, and iostat.

    • Use 'df' command to display disk space usage on Linux filesystems.

    • Use 'du' command to estimate file space usage.

    • Use 'iostat' command to monitor system input/output device loading.

    • Check disk utilization with tools like 'iotop' and 'atop'.

  • Answered by AI

Skills evaluated in this interview

Interview questions from similar companies

I applied via Naukri.com and was interviewed in Nov 2021. There were 3 interview rounds.

Interview Questionnaire 

1 Question

  • Q1. Difference between mysql connect nd mysqlPconnect, How find the memory in linux (otherthan the top and free -m)
  • Ans. 

    mysql_connect vs mysql_pconnect and finding memory in Linux

    • mysql_connect creates a new connection to the database while mysql_pconnect creates a persistent connection

    • mysql_pconnect is faster but uses more memory

    • To find memory usage in Linux, use commands like vmstat, sar, or ps

    • vmstat displays virtual memory statistics

    • sar displays system activity information

    • ps displays information about active processes

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - Prepare with in-depth subject knowledge and Realtime scenarios

Skills evaluated in this interview

Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Referral and was interviewed in Aug 2024. There were 2 interview rounds.

Round 1 - Technical 

(2 Questions)

  • Q1. What is service account
  • Ans. 

    A service account is a special account used by a service or application to access resources on a network.

    • Service accounts are used to run services or applications with the necessary permissions and access rights.

    • Service accounts are often used in database administration to allow the database service to interact with the operating system.

    • Service accounts can be configured with specific permissions and restrictions to li...

  • Answered by AI
  • Q2. How to configure replication
  • Ans. 

    Replication can be configured by setting up a publication, creating a subscription, and initializing the subscription.

    • Set up a publication by selecting the database objects to replicate and defining the publication properties.

    • Create a subscription by specifying the subscriber server, database, and synchronization schedule.

    • Initialize the subscription by generating a snapshot of the publication and applying it to the sub

  • Answered by AI
Round 2 - Technical 

(2 Questions)

  • Q1. What is different between truncate and delete
  • Ans. 

    Truncate is faster and cannot be rolled back, while delete is slower and can be rolled back.

    • Truncate is a DDL command, while delete is a DML command.

    • Truncate removes all rows from a table, while delete removes specific rows based on a condition.

    • Truncate resets identity column values, while delete does not.

    • Truncate cannot be used with a WHERE clause, while delete can.

    • Truncate is faster than delete as it does not log ind...

  • Answered by AI
  • Q2. Tell me about team dynamics
  • Ans. 

    Team dynamics refer to the interactions and relationships among team members that impact team performance and effectiveness.

    • Effective communication is key for successful team dynamics

    • Establishing clear roles and responsibilities helps avoid conflicts

    • Encouraging collaboration and mutual respect fosters a positive team environment

  • Answered by AI

Skills evaluated in this interview

Interview experience
3
Average
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Technical 

(2 Questions)

  • Q1. Describe your daily activity
  • Q2. Errors you have faced

Interview Preparation Tips

Interview preparation tips for other job seekers - Be confident

I applied via Naukri.com and was interviewed in Nov 2021. There were 3 interview rounds.

Interview Questionnaire 

1 Question

  • Q1. Difference between mysql connect nd mysqlPconnect, How find the memory in linux (otherthan the top and free -m)
  • Ans. 

    mysql_connect vs mysql_pconnect and finding memory in Linux

    • mysql_connect creates a new connection to the database while mysql_pconnect creates a persistent connection

    • mysql_pconnect is faster but uses more memory

    • To find memory usage in Linux, use commands like vmstat, sar, or ps

    • vmstat displays virtual memory statistics

    • sar displays system activity information

    • ps displays information about active processes

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - Prepare with in-depth subject knowledge and Realtime scenarios

Skills evaluated in this interview

Interview Questionnaire 

2 Questions

  • Q1. Backup and restore strategy?
  • Ans. 

    A backup and restore strategy is essential for ensuring data recovery in case of system failure or disaster.

    • Regularly schedule full and incremental backups

    • Store backups in a secure offsite location

    • Test backups regularly to ensure data integrity

    • Have a documented restore plan in place

    • Consider using third-party backup and restore tools

  • Answered by AI
  • Q2. Performance tuning and query optimization

Skills evaluated in this interview

3i Infotech Interview FAQs

How many rounds are there in 3i Infotech Mysql Database Administrator interview?
3i Infotech interview process usually has 1 rounds. The most common rounds in the 3i Infotech interview process are One-on-one Round.
How to prepare for 3i Infotech Mysql Database Administrator interview?
Go through your CV in detail and study all the technologies mentioned in your CV. Prepare at least two technologies or languages in depth if you are appearing for a technical interview at 3i Infotech. The most common topics and skills that interviewers at 3i Infotech expect are Data Modeling, Database Administration, Migration, MongoDB and MySQL Database Administration.
What are the top questions asked in 3i Infotech Mysql Database Administrator interview?

Some of the top questions asked at the 3i Infotech Mysql Database Administrator interview -

  1. how to retrieve set of data in a databa...read more
  2. how to know the disk utilization in lin...read more
  3. what is MySQL? why it is popul...read more

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₹2.2 L/yr - ₹8 L/yr
53% less than the average Mysql Database Administrator Salary in India
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