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Angara Ecommerce
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They give you assignment to find your skills work for them or not
posted on 20 Jun 2024
Anagram question solved without using any inbuilt functions
Create a function to check if two strings are anagrams by comparing the frequency of characters
Iterate through both strings and count the frequency of each character
Compare the frequency of characters in both strings to determine if they are anagrams
Frequency of elements in an array
Iterate through the array and count the occurrences of each element
Store the counts in a map or dictionary for easy access
Return the map/dictionary with element frequencies
posted on 29 Nov 2024
I applied via Campus Placement
Three were basic questions around strings and arrays
posted on 16 Sep 2024
Normalization is the process of organizing data in a database to reduce redundancy and improve data integrity.
Normalization helps in minimizing data redundancy by dividing the database into multiple tables.
It ensures data integrity by avoiding update anomalies.
Normalization is achieved through a series of rules called normal forms, such as 1NF, 2NF, 3NF, etc.
Example: In a database, instead of storing customer details i...
Reflection is the ability of a program to examine and modify its own structure and behavior at runtime.
Allows accessing metadata of types and members at runtime
Enables dynamic instantiation of objects
Facilitates invoking methods dynamically
posted on 12 Feb 2024
Azure Data Lake is a cloud-based storage and analytics service, while Delta Lake is an open-source storage layer that adds reliability to data lakes.
Azure Data Lake is a service provided by Microsoft Azure for storing and analyzing large amounts of data.
Delta Lake is an open-source storage layer that adds ACID transactions and schema enforcement to data lakes.
Azure Data Lake is a cloud-based solution, while Delta Lake ...
Primary keys and foreign keys can be implemented in delta tables using constraints and references.
Primary keys can be implemented using the PRIMARY KEY constraint, which ensures that each record in the table has a unique identifier.
Foreign keys can be implemented using the FOREIGN KEY constraint, which establishes a link between two tables based on a common column.
The referenced table must have a primary key defined, a...
Exception handling in Python allows for the graceful handling of errors and prevents program crashes.
Use try-except blocks to catch and handle exceptions.
Multiple except blocks can be used to handle different types of exceptions.
The finally block is executed regardless of whether an exception occurred or not.
Exceptions can be raised using the 'raise' keyword.
Custom exceptions can be defined by creating a new class that
Star schema is a data modeling technique where a central fact table is connected to multiple dimension tables. Snowflake schema is an extension of star schema with normalized dimension tables.
Star schema is a simple and denormalized structure
It consists of a central fact table connected to multiple dimension tables
Dimension tables contain descriptive attributes
Star schema is easy to understand and query, but can lead t...
The most frequently changing data
Customer preferences
Market trends
Weather data
Stock prices
Social media trends
posted on 15 Jan 2024
General Aptitude Questions
The shape of a normal distribution is bell-shaped and symmetrical.
A normal distribution has a peak at the mean and tails that extend to infinity in both directions.
The distribution is symmetrical, meaning that the left and right halves mirror each other.
The standard deviation determines the spread or width of the distribution.
Many natural phenomena and measurements in various fields follow a normal distribution.
Example...
Mean, median, and mode are measures of central tendency in statistics.
Mean is the average of a set of numbers, calculated by summing all the values and dividing by the total count.
Median is the middle value in a sorted list of numbers. If there is an even number of values, it is the average of the two middle values.
Mode is the value that appears most frequently in a set of numbers. It can be a single value or multiple
I applied via Approached by Company
Joining tables with different joins in SQL
Use INNER JOIN to return rows when there is at least one match in both tables
Use LEFT JOIN to return all rows from the left table and the matched rows from the right table
Use RIGHT JOIN to return all rows from the right table and the matched rows from the left table
Use FULL JOIN to return rows when there is a match in one of the tables
De/algo leetcode medium level
posted on 19 Jun 2024
I applied via Referral and was interviewed in Dec 2023. There were 4 interview rounds.
Related to business KPIs and dashboarding on excel.
SQL and aptitude questions
Guestimates, case study related to swiggy
I applied via Referral and was interviewed in Aug 2023. There were 3 interview rounds.
Quiz boats and steam train questions match stick questions problem solving skills
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