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I applied via campus placement at Nandha Engineering College, Erode and was interviewed in Oct 2021. There were 3 interview rounds.
A database is a structured collection of data. One-to-one and one-to-many are types of relationships between entities in a database. SQL commands are used to interact with a database.
A database is a system for storing and managing data.
One-to-one relationship: Each record in one table is associated with only one record in another table.
One-to-many relationship: Each record in one table is associated with multiple recor...
I was interviewed in Mar 2024.
I applied via campus placement at Nandha Engineering College, Erode and was interviewed in Oct 2021. There were 3 interview rounds.
A database is a structured collection of data. One-to-one and one-to-many are types of relationships between entities in a database. SQL commands are used to interact with a database.
A database is a system for storing and managing data.
One-to-one relationship: Each record in one table is associated with only one record in another table.
One-to-many relationship: Each record in one table is associated with multiple recor...
I applied via Company Website and was interviewed in Jul 2021. There was 1 interview round.
Questions related to OOPS concepts in software engineering.
Method overloading is having multiple methods with the same name but different parameters, while method overriding is having a method in a subclass with the same name and parameters as a method in its superclass.
Inheritance is the ability of a class to inherit properties and methods from its parent class. It allows for code reuse and promotes modularity.
Encapsu...
Answers to SQL related questions for Software Engineer interview
Primary key uniquely identifies a record in a table, while unique key ensures that no two records have the same value for a specific column
Normalization is used to eliminate data redundancy and improve data integrity. Types include 1NF, 2NF, 3NF, BCNF, 4NF, 5NF
SQL queries can be used to retrieve data from one or more tables using joins. Delete and update s
I applied via Naukri.com and was interviewed in Dec 2019. There were 3 interview rounds.
ReactJS is a popular JavaScript library for building user interfaces.
ReactJS allows for reusable components, making development faster and more efficient.
It uses a virtual DOM, which improves performance by minimizing updates to the actual DOM.
ReactJS has a large and active community, providing support and resources for developers.
It can be used for both web and mobile app development, with tools like React Native.
Reac...
Functional components are stateless and rely on props, while class-based components have state and lifecycle methods.
Functional components are written as functions and return JSX elements.
Class-based components are written as ES6 classes and extend the React.Component class.
Functional components are simpler and easier to test and understand.
Class-based components have access to lifecycle methods like componentDidMount ...
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