Lloyds Technology Centre Backend Developer Interview Questions and Answers

Q1. Difference between sql and nosql
Ans. 
SQL is a relational database management system, while NoSQL is a non-relational database management system.
• SQL databases are table-based and have a predefined schema, while NoSQL databases are document-based, key-value pairs, graph databases, or wide-column stores.

• SQL databases are suitable for complex queries and transactions, while NoSQL databases are better for large amounts of data and scalable applications.

• Example...read more
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Q2. Explain oops concept
Ans. 
OOPs (Object-Oriented Programming) is a programming paradigm based on the concept of objects, which can contain data and code.
• OOPs focuses on creating objects that interact with each other to solve problems.

• Key principles of OOPs include encapsulation, inheritance, polymorphism, and abstraction.

• Encapsulation involves bundling data and methods that operate on the data into a single unit.

• Inheritance allows a class to inh...read more
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Q1. Why are you interested
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Passionate about building scalable and efficient backend systems
• Fascinated by the complexity and challenges of backend development

• Enjoy problem-solving and optimizing code for performance

• Excited about the opportunity to work on real-world projects and learn from experienced developers
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Q2. Where did u see yourselves in 5 years
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