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I applied via Naukri.com and was interviewed before Apr 2023. There was 1 interview round.
posted on 19 Nov 2024
Lifecycle hooks in Angular are methods that allow you to tap into the lifecycle of a component or directive.
Lifecycle hooks include ngOnInit, ngOnChanges, ngDoCheck, ngOnDestroy, etc.
ngOnInit is used for initialization logic, ngOnChanges is used for reacting to input changes, ngOnDestroy is used for cleanup tasks, etc.
Example: ngOnInit() { console.log('Component initialized'); }
Use a subquery to find the third highest salary from the employees table in MySQL.
Use a subquery to select distinct salaries from the employees table.
Order the salaries in descending order and use LIMIT to get the third highest salary.
Example: SELECT DISTINCT salary FROM employees ORDER BY salary DESC LIMIT 2, 1;
Steps to connect to a database involve specifying the database type, providing credentials, and establishing a connection.
Specify the type of database you want to connect to (e.g. MySQL, PostgreSQL, MongoDB).
Provide the necessary credentials such as username and password.
Establish a connection using a programming language or tool like JDBC, ODBC, or ORM frameworks.
posted on 24 Jul 2024
HEAD method in REST API Integration is used to retrieve the headers of a resource without fetching the body.
HEAD requests are similar to GET requests but only return the headers of the resource, not the body.
This can be useful for checking the status of a resource or determining its size without downloading the entire content.
For example, a HEAD request to a website URL will return the headers like content type, conten
I applied via Naukri.com and was interviewed in Apr 2024. There was 1 interview round.
Coding roung plus technical questions were asked
posted on 11 Apr 2024
OOPS (Object-Oriented Programming) is a programming paradigm based on the concept of objects, which can contain data in the form of fields and code in the form of procedures.
OOPS focuses on creating objects that interact with each other to solve a problem
It involves concepts like classes, objects, inheritance, polymorphism, and encapsulation
Example: Inheritance allows a class to inherit properties and behavior from ano
I applied via Naukri.com and was interviewed in Mar 2022. There were 4 interview rounds.
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