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I applied via Campus Placement and was interviewed in Aug 2023. There was 1 interview round.
An ER diagram for a college management system.
Entities: Student, Faculty, Course, Department, Library
Relationships: Student enrolls in Course, Faculty teaches Course, Department offers Course
Attributes: Student ID, Faculty ID, Course ID, Department ID
Cardinalities: One-to-many between Student and Course, Faculty and Course, Department and Course
Example: A student can enroll in multiple courses, a faculty can teach mult
I appeared for an interview before Mar 2024, where I was asked the following questions.
Data preprocessing is the process of cleaning and transforming raw data into a usable format for analysis.
Data Cleaning: Removing duplicates and handling missing values. Example: Replacing NaN values with the mean of the column.
Data Transformation: Normalizing or scaling data. Example: Using Min-Max scaling to bring values between 0 and 1.
Data Encoding: Converting categorical data into numerical format. Example: One-ho...
Joins in SQL are crucial for combining data from multiple tables, enhancing data retrieval and analysis.
Joins allow for relational data retrieval, enabling complex queries across multiple tables.
Types of joins include INNER JOIN, LEFT JOIN, RIGHT JOIN, and FULL OUTER JOIN.
INNER JOIN returns only matching rows from both tables. Example: SELECT * FROM A INNER JOIN B ON A.id = B.id;
LEFT JOIN returns all rows from the left...
Sets, dictionaries, and tuples are built-in data structures in Python with distinct properties and use cases.
Sets: Unordered collections of unique elements. Example: {1, 2, 3}.
Dictionaries: Key-value pairs, allowing fast lookups. Example: {'name': 'Alice', 'age': 30}.
Tuples: Ordered, immutable collections. Example: (1, 2, 3).
Sets do not allow duplicates, while dictionaries require unique keys.
Tuples can store mixed dat...
I seek a company that fosters innovation, values collaboration, and supports professional growth while maintaining a positive work culture.
Opportunities for professional development, such as training programs or workshops.
A collaborative work environment where team members support each other, like regular brainstorming sessions.
A strong company culture that promotes work-life balance, such as flexible working hours or ...
I appeared for an interview in Feb 2025, where I was asked the following questions.
My experience with Zidio development will enhance my technical skills, teamwork, and problem-solving abilities, crucial for my career growth.
Developed proficiency in programming languages like Java and Python, which are essential for software development roles.
Collaborated with a diverse team, improving my communication skills and ability to work in a team-oriented environment.
Gained hands-on experience with agile meth...
posted on 6 Jan 2025
I applied via LinkedIn and was interviewed in Dec 2024. There were 2 interview rounds.
Based on JavaScript and Java.
A task based on JavaScript.
posted on 2 Aug 2024
I applied via Approached by Company and was interviewed before Aug 2023. There was 1 interview round.
posted on 13 Aug 2024
I applied via Referral and was interviewed in Jul 2024. There was 1 interview round.
Single page application is a web application that loads a single HTML page and dynamically updates the content as the user interacts with the app.
SPA uses AJAX and HTML5 to create fluid and responsive user experience.
It eliminates the need for page reloading during use, making it faster and more efficient.
Examples include Gmail, Facebook, and Google Maps.
State management is the process of managing the state of an application, including data flow, user interface updates, and user interactions.
State management involves storing and updating the state of an application to ensure data consistency.
It helps in managing user interface updates based on changes in the application state.
State management is crucial for handling user interactions and maintaining a seamless user exp...
posted on 2 Jul 2024
Find the second largest number in an array of strings.
Convert the strings to numbers for comparison.
Sort the array in descending order.
Return the second element in the sorted array.
Find pairs in an array that sum up to a given target value.
Use a hash set to store the difference between the target value and each element in the array.
Iterate through the array and check if the current element's complement exists in the hash set.
Return the pairs that sum up to the target value.
posted on 12 Sep 2023
I applied via Naukri.com and was interviewed before Sep 2022. There were 3 interview rounds.
Advanced JS, PHP related questions
posted on 24 Oct 2024
Some of the top questions asked at the Thoughtclan Technologies interview -
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