HHA eXchange Associate Software Engineer Interview Questions, Process, and Tips

Q1. Explain OOp with example
Ans. 
OOP is a programming paradigm where objects represent real-world entities and interact with each other through methods and properties.
• OOP focuses on creating objects that encapsulate data and behavior

• Objects communicate with each other by sending messages

• Inheritance allows objects to inherit properties and methods from parent classes

• Polymorphism allows objects to be treated as instances of their parent class

• Encapsulati...read more
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Q2. Write sql query for given data
Ans. 
SQL query to retrieve data from a given dataset
• Use SELECT statement to specify the columns you want to retrieve

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

• Use WHERE statement to filter the data based on specific conditions
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Q1. How to integrate 2 database in one application
Ans. 
Integrating two databases in one application involves setting up a connection between the databases and managing data synchronization.
• Use a common data model to map data between the two databases

• Establish a connection using database connectors or APIs

• Implement data synchronization processes to ensure consistency

• Consider data migration strategies if needed
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Q2. Project explanation and its feature
Ans. 
Developed a web application for managing inventory in a retail store.
• Implemented user authentication for secure access.

• Designed a user-friendly interface for easy navigation.

• Integrated barcode scanning functionality for quick inventory updates.
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Basic attitude, Verbal, reasoning

Q1. OOPS, DBMS, DSA, CN, OS
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Q1. Advanced Concepts of DBMS, DSA asp. net mvc asp. net core web services docker
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Q1. Tellme about you self?
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Q1. First round based on OOPS,DBMS and other basic questions.it was easy one in my case.
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Q2. They told me to explain about my project and asked me some questions on that it was basic one
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Q3. Difference between NoSQL and SQL,etc...
Ans. 
NoSQL is a non-relational database while SQL is a relational database.
• NoSQL databases are schema-less and flexible while SQL databases have a fixed schema.

• NoSQL databases are horizontally scalable while SQL databases are vertically scalable.

• NoSQL databases are better suited for handling unstructured data while SQL databases are better suited for structured data.

• Examples of NoSQL databases include MongoDB, Cassandra, an...read more
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Q1. In this they asked me about some questions on react and other js questions and other basic questions.
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Q2. Difference between overloading and overriding,React questions like props and others
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General verbal and aptitude test

Q1. Simple interview regarding SQL
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Q2. Joins, triggers, cursor, your current academic projects
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