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Amantya Technologies
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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
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Top trending discussions
I was interviewed before Sep 2020.
Round duration - 140 minutes
Round difficulty - Medium
Test timing was at 2:00 pm , it was conducted in a college and the environment was good for the test. Camera was a primary part of test, so no suspicious activity.
Given two numbers in the form of two arrays where each element of the array represents a digit, calculate the sum of these two numbers and return this sum as an ar...
Given two numbers represented as arrays, calculate their sum and return the result as an array.
Iterate through the arrays from right to left, adding digits and carrying over if necessary
Handle cases where one array is longer than the other by considering the remaining digits
Ensure the final sum array does not have any leading zeros
Round duration - 20 minutes
Round difficulty - Easy
The round was conducted at around 12 p.m. I was called at the college location and then it was conducted. The interviewer was quite polite and frank.
Round duration - 8 minutes
Round difficulty - Easy
This round was conducted right after finishing and clearing the technical round at the same place and on the same day.
Tip 1 : Practice atleast 2-3 Coding problems daily so your logic building becomes stronger.
Tip 2 : Exercise problems based on OOPS concepts and others too.
Tip 3 : If you can have your own project built, then it's the major point and will act as a plus point.
Tip 1 : Your resume should be in standard form, short and simple will be more effective.
Tip 2 : Whatever you have learned, you need to mention it in your resume as that will be your primary source of selection and having project on your resume is important.
I applied via Campus Placement and was interviewed before Feb 2020. There were 4 interview rounds.
I applied via Campus Placement and was interviewed in Dec 2020. There was 1 interview round.
I applied via Campus Placement and was interviewed before Jun 2020. There were 3 interview rounds.
I applied via Job Portal and was interviewed before Jan 2021. There were 3 interview rounds.
I applied via Monster and was interviewed before Nov 2020. There was 1 interview round.
I applied via Campus Placement and was interviewed before Aug 2021. There were 2 interview rounds.
Easy DSA questions and some questions on resume
I applied via Campus Placement and was interviewed in Mar 2020. There was 1 interview round.
To get the second to last element from a SQL table, use the OFFSET-FETCH clause.
Use the ORDER BY clause to sort the table in descending order.
Use the OFFSET-FETCH clause to skip the last row and fetch the second to last row.
Example: SELECT column_name FROM table_name ORDER BY column_name DESC OFFSET 1 ROWS FETCH NEXT 1 ROWS ONLY;
I applied via Campus Placement and was interviewed before Sep 2019. There were 6 interview rounds.
based on 1 interview
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