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Event bubbling is the process where an event triggered on a child element is propagated up through its parent elements.
Events in JavaScript propagate through the DOM tree from the target element to the root element.
When an event occurs on a child element, it will also trigger the same event on its parent elements.
Event bubbling allows for event delegation, where a single event handler is attached to a parent element to
DELETE * removes all rows in a table while TRUNCATE removes all rows and resets auto-increment values.
DELETE * is a DML command and TRUNCATE is a DDL command
DELETE * is slower as it logs individual row deletions while TRUNCATE is faster as it deallocates data pages
DELETE * can have WHERE clause for selective deletion while TRUNCATE cannot
TRUNCATE resets auto-increment values while DELETE * does not
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posted on 23 Mar 2024
Data Structures and Algorithms questions were asked
I was interviewed before Sep 2023.
I was interviewed before Mar 2022.
To implement ACID property, use transactions to ensure atomicity, consistency, isolation, and durability of data.
Use transactions to group related database operations together.
Ensure that all operations within a transaction are completed successfully or none of them are.
Maintain consistency by enforcing data integrity constraints.
Isolate transactions to prevent interference from other transactions.
Ensure durability by ...
Designing Facebook involves creating a social networking platform with features like user profiles, news feed, messaging, and more.
Create a user registration and login system
Develop a news feed algorithm to display relevant content
Implement a messaging system for users to communicate
Design a user profile page with customizable options
Incorporate features like groups, events, and pages
Ensure scalability and security of
Reverse a linked list
Iterative approach using three pointers
Recursive approach with base case and recursive call
In-place reversal using stack
I applied via Referral and was interviewed before Apr 2023. There were 3 interview rounds.
Some database questions,some java questions .
JavaScript is a programming language used for web development, while jQuery is a library built with JavaScript to simplify HTML document traversal and manipulation.
JavaScript is a programming language, while jQuery is a library written in JavaScript.
JavaScript can be used for a wide range of tasks, while jQuery is mainly used for DOM manipulation and event handling.
JavaScript is a core technology for web development, w...
Different types of joins are used in SQL to combine rows from two or more tables based on a related column between them.
Inner Join: Returns rows when there is at least one match in both tables.
Left Join (or Left Outer Join): Returns all rows from the left table and the matched rows from the right table.
Right Join (or Right Outer Join): Returns all rows from the right table and the matched rows from the left table.
Full ...
Multithreading allows multiple threads to run concurrently, while exception handling deals with errors in a program.
Multithreading involves running multiple threads simultaneously to improve performance and responsiveness.
Threads share the same memory space but have their own program counter and registers.
Exception handling is a mechanism to handle errors or exceptional situations in a program.
It helps prevent the prog...
I applied via LinkedIn and was interviewed before Mar 2023. There were 3 interview rounds.
DSA medium leetcode questions - easy to solve
DSA medium 2 questions and core questions 1.5 hrs
I prioritize tasks, communicate with stakeholders, and adjust resources as needed to meet deadlines.
Prioritize tasks based on importance and urgency
Regularly communicate with stakeholders to provide updates and address any issues that may impact deadlines
Adjust resources or seek help from team members if necessary to meet deadlines
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