NSE.IT Interview Questions, Process, and Tips

SQL coding related questions like types of joins, cursor etc

Q1. Few tricky question and advanced SQL questions
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Q2. DDL and DML related questions
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Q3. What are joins and their types
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Joins are used to combine rows from two or more tables based on a related column between them.
• Types of joins include INNER JOIN, LEFT JOIN, RIGHT JOIN, and FULL JOIN

• INNER JOIN returns rows when there is at least one match in both tables

• LEFT JOIN returns all rows from the left table and the matched rows from the right table

• RIGHT JOIN returns all rows from the right table and the matched rows from the left table

• FULL JOIN...read more
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Q4. What is cursor and their types
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A cursor is a database object used to retrieve data from a result set one row at a time.
• Types of cursors: Forward-only, Static, Dynamic, Keyset-driven

• Forward-only cursor: Can only move forward through the result set

• Static cursor: Shows a snapshot of the data at the time the cursor was opened

• Dynamic cursor: Reflects changes made to the data while the cursor is open

• Keyset-driven cursor: Uses a unique identifier to fetch
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Q1. What is Networking?
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Networking is the practice of making and using contacts to exchange information and develop professional or social contacts.
• Networking involves building relationships with people in your industry or field.

• It can help you gain new opportunities, such as job leads or business partnerships.

• Networking can also provide support, advice, and mentorship from others who have more experience.

• Examples of networking include attend...read more
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Q2. Network Types ?
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Q1. Basic angular questions
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Q2. Let, var, const event emitter, middle ware
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Q1. Introduction which was mentioned in CV
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Q1. About my roles and responsibilities in the project
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Q1. About JIRA workflow and API
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Q1. SQL types ,Joins,cursor etc
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Q2. Whats yours vision towards company
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My vision towards the company is to contribute to its growth and success by providing efficient production support and continuously improving processes.
• Strive to ensure maximum uptime for production systems

• Proactively identify and resolve issues to minimize downtime

• Collaborate with cross-functional teams to implement process improvements

• Stay updated on industry trends and technologies to enhance support capabilities
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Q1. What is exception handling
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Exception handling is a programming concept that deals with errors or exceptional situations in a program.
• It is a mechanism to handle runtime errors in a program.

• Exceptions are thrown when an error occurs and can be caught and handled by the program.

• It helps in maintaining the flow of the program even when errors occur.

• Examples include try-catch blocks in Java or try-except blocks in Python.
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Q2. Difference between java and cpp
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Java is a high-level, object-oriented programming language, while C++ is a low-level, procedural programming language.
• Java is platform-independent, while C++ is platform-dependent.

• Java uses automatic garbage collection, while C++ requires manual memory management.

• Java has a simpler syntax compared to C++.

• Java does not support pointers, while C++ does.

• Java is more secure due to its bytecode verification process.

• Java is ...read more
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Q1. Spring actuator
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Q2. Spring qualifier
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Q1. Basic Java, Collections, etc
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Q1. Same Basic Java, collections, etc
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Q1. Basic discussion
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