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I appeared for an interview in May 2025, where I was asked the following questions.
OOP in Python enables code reusability and organization through classes and objects, enhancing software development.
Encapsulation: Bundling data and methods in classes. Example: class Car with attributes like speed and methods like accelerate().
Inheritance: Creating new classes from existing ones. Example: class ElectricCar inherits from class Car, adding battery attributes.
Polymorphism: Using a single interface for di...
Learn how to effectively delete duplicate records in SQL using various methods.
Use the ROW_NUMBER() function to identify duplicates: Example: SELECT *, ROW_NUMBER() OVER (PARTITION BY column_name ORDER BY id) AS rn FROM table_name;
Delete duplicates using a Common Table Expression (CTE): Example: WITH CTE AS (SELECT *, ROW_NUMBER() OVER (PARTITION BY column_name ORDER BY id) AS rn FROM table_name) DELETE FROM CT...
What people are saying about Impetus Technologies
I appeared for an interview in Sep 2017.
I applied via Naukri.com and was interviewed before May 2018. There were 5 interview rounds.
I appeared for an interview in Sep 2019.
I applied via Recruitment Consultant and was interviewed before Jan 2020. There were 5 interview rounds.
I am proficient in Java, Python, and C++. I have 2 years of experience in software development. I have excellent communication skills for client interaction.
Proficient in Java, Python, and C++
2 years of software development experience
Excellent communication skills for client interaction
I applied via Walk-in and was interviewed before Jul 2021. There were 3 interview rounds.
Data structures and algorithms
Python etl,pandas, pyspark questions
I applied via first naukari and was interviewed before Oct 2020. There were 4 interview rounds.
To find the shortest path in a graph stored in SQL, use algorithms like Dijkstra's or A* with SQL queries for traversal.
Use Dijkstra's algorithm for weighted graphs to find the shortest path efficiently.
For unweighted graphs, consider using Breadth-First Search (BFS).
Store graph edges in a table with columns for source, destination, and weight.
Example SQL query: SELECT * FROM edges WHERE source = 'A' AND destination = ...
I appeared for an interview before Nov 2020.
I appeared for an interview in Sep 2020.
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