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I applied via Approached by Company and was interviewed in Apr 2024. There was 1 interview round.
Create a list containing all Python data types.
Use the following data types: int, float, complex, str, list, tuple, dict, set, bool, bytes, bytearray, memoryview, None
Example: ['int', 'float', 'complex', 'str', 'list', 'tuple', 'dict', 'set', 'bool', 'bytes', 'bytearray', 'memoryview', 'None']
Extract a character from a string in a list of strings.
Iterate through the list of strings
Use indexing to extract the desired character from each string
Handle cases where the index is out of range
Return the extracted characters as a new list
Create a dictionary with Name and Age for 4 records in Python.
Use curly braces {} to create a dictionary.
Separate key-value pairs with a colon :
Separate each record with a comma ,
Function to check if a string is a palindrome.
Create a function that takes a string as input.
Reverse the string and compare it with the original string.
Return true if they are the same, false otherwise.
Example: 'racecar' is a palindrome.
Data normalization is the process of organizing data in a database efficiently, while data standardization is the process of ensuring consistency and uniformity in data.
Data normalization involves organizing data into tables and columns to reduce redundancy and improve data integrity.
Data standardization involves ensuring that data is consistent and uniform across the database.
Normalization helps in reducing data redun...
The probability of drawing 3 balls of the same color from a box containing 4 balls of each color (Red, Green, Blue).
Calculate the total number of ways to draw 3 balls out of 12 balls
Calculate the number of ways to draw 3 balls of the same color
Divide the number of favorable outcomes by the total number of outcomes to get the probability
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I applied via LinkedIn and was interviewed before Nov 2020. There were 4 interview rounds.
Window functions like lag and lead are used to analyze data over a specific range or window.
Lag function can be used to calculate the difference between current and previous values in a time series data.
Lead function can be used to calculate the difference between current and future values in a time series data.
Window functions can be used to calculate moving averages, cumulative sums, and other statistical measures.
Fo...
I applied via Company Website and was interviewed in Apr 2021. There was 1 interview round.
I applied via Company Website and was interviewed before Aug 2021. There were 3 interview rounds.
Simple aptitude and coding test, I was selected from national talent hunt exam
I applied via Campus Placement and was interviewed in Oct 2020. There were 4 interview rounds.
Aadhaar card is a unique identification card issued by the Indian government to residents of India.
Aadhaar card is a 12-digit unique identification number issued by the Unique Identification Authority of India (UIDAI).
It serves as proof of identity and address for Indian residents.
Aadhaar card contains biometric and demographic information of the cardholder, including fingerprints and iris scans.
It is used for various ...
I applied via Naukri.com and was interviewed before Aug 2021. There were 2 interview rounds.
Structured Query Language (SQL) is a programming language used to manage and manipulate relational databases.
SQL is used to create, modify, and delete databases, tables, and data
It is used to retrieve data from databases using queries
SQL is used to perform operations on data such as sorting, filtering, and grouping
Examples of SQL-based database management systems include MySQL, Oracle, and Microsoft SQL Server
I applied via Recruitment Consultant and was interviewed in Aug 2020. There were 4 interview rounds.
I applied via Company Website and was interviewed before Jun 2020. There were 4 interview rounds.
MongoDB database algorithms are used for efficient data storage, retrieval, and processing.
MongoDB uses various algorithms for indexing, sharding, and aggregation.
Indexing algorithms include B-tree, hash, and text search indexes.
Sharding algorithms include range-based, hash-based, and zone-based sharding.
Aggregation algorithms include map-reduce and aggregation pipeline.
MongoDB also uses algorithms for query optimizati
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