HCLTech Technical Lead Interview Questions, Process, and Tips

Q1. Basic concept in join
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Q2. Please be clear on basic thing's
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Q3. Tableau concepts must be clar
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Q4. Tools knowledge should be clear
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Q5. Sqlquestions on join condition
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Q1. What is CQRS Pattern?
Ans. 
CQRS Pattern separates read and write operations in an application.
• CQRS stands for Command Query Responsibility Segregation.

• It separates the read and write operations of an application into two different models.

• Commands are used for write operations, while queries are used for read operations.

• CQRS helps in achieving better scalability, performance, and maintainability.

• Example: Using CQRS, an e-commerce application can ...read more
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Q1. What is difference between agile and SAFe
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Agile is a set of principles and values for software development, while SAFe is a framework for scaling agile practices across an organization.
• Agile focuses on individuals and interactions over processes and tools, while SAFe emphasizes alignment, collaboration, and delivery at scale.

• Agile promotes flexibility and adaptability in responding to change, whereas SAFe provides a structured approach for implementing agile p...read more
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Q1. Singleton , jvm jre
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Q1. Performance tuning
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Q2. About the joins
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Go-First Airlines Crisis, 5 min were given to research the topic , 15 min for the Group discussion

Longest Common Subsequence , Next smallest Palindrome , heap implementation