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I appeared for an interview in Jun 2025, where I was asked the following questions.
I optimize database performance through indexing, query optimization, and regular maintenance practices.
Use indexing to speed up data retrieval; for example, create indexes on frequently queried columns.
Analyze and optimize slow queries using tools like EXPLAIN to understand execution plans.
Implement caching strategies to reduce database load; for instance, use Redis for frequently accessed data.
Regularly perform datab...
I frequently use the Singleton pattern for managing shared resources and ensuring a single instance across the application.
Ensures a class has only one instance, e.g., a configuration manager.
Provides a global point of access, useful for logging services.
Lazy initialization can be implemented to improve performance.
Thread-safe implementations prevent issues in multi-threaded environments.
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I appeared for an interview before Feb 2024.
I appeared for an interview in Nov 2022.
Strong appitude knowledge is required.
SQL statements are used to interact with databases by performing operations like querying, updating, and deleting data.
SQL statements are made up of keywords like SELECT, INSERT, UPDATE, DELETE, etc.
They are structured in a specific order, with clauses like WHERE, ORDER BY, GROUP BY, etc.
Tables are referenced using their names, and conditions are specified to filter data.
Joins can be used to combine data from multiple ...
posted on 9 Jan 2025
Joins are used in databases to combine rows from two or more tables based on a related column between them.
Joins are used to retrieve data from multiple tables based on a related column
Common types of joins include INNER JOIN, LEFT JOIN, RIGHT JOIN, and FULL JOIN
Example: SELECT * FROM table1 INNER JOIN table2 ON table1.column = table2.column
posted on 26 Mar 2025
I appeared for an interview before Mar 2024, where I was asked the following questions.
Magento 2 is a powerful e-commerce platform offering flexibility, scalability, and a rich set of features for online stores.
Modular architecture allows for easy customization and extension of functionalities.
Improved performance with full-page caching and optimized indexing.
User-friendly admin interface enhances the management of products and orders.
Supports multiple storefronts, enabling businesses to manage different...
posted on 13 Nov 2024
posted on 13 May 2025
I appeared for an interview before May 2024, where I was asked the following questions.
Snowflake offers a cloud-based data warehousing solution with scalability, performance, and ease of use.
Separation of storage and compute: Allows independent scaling of resources, optimizing costs and performance.
Automatic scaling: Snowflake can automatically scale up or down based on workload demands, ensuring efficient resource usage.
Concurrency handling: Supports multiple users and queries simultaneously without per...
posted on 23 Oct 2024
I applied via Naukri.com and was interviewed in Sep 2024. There were 5 interview rounds.
Easy Level DS Questions - 30 mins
A comprehensive coding test which included job role simulation.
Advanced Cloud Services questions
based on 1 interview experience
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