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I applied via Campus Placement and was interviewed in Oct 2024. There was 1 interview round.
Use regular expression to remove special characters from a string
Use the regex pattern [^a-zA-Z0-9\s] to match any character that is not a letter, digit, or whitespace
Use the replace() function in your programming language to replace the matched special characters with an empty string
Example: input string 'Hello! How are you?' will become 'Hello How are you' after removing special characters
Rank assigns unique rank to each row, while dense rank assigns consecutive ranks without gaps.
Rank leaves gaps in rank sequence if there are ties, while dense rank does not
Rank function is used to assign a unique rank to each row based on a specified column
Dense rank function is used to assign consecutive ranks to rows without any gaps
Example: If there are two rows with rank 1 in a dataset, rank function will assign 1
Use Google Cloud Storage to load CSV data into BigQuery
Upload the CSV file to Google Cloud Storage
Create a BigQuery table with the appropriate schema
Use the 'bq load' command to load the data from the CSV file into the BigQuery table
I applied via Naukri.com and was interviewed in Jan 2024. There was 1 interview round.
ADF triggers are used in Azure Data Factory to schedule and orchestrate data pipelines.
ADF triggers enable the automation of data movement and data transformation activities.
Triggers can be scheduled to run at specific times or based on event-based triggers.
They can be used to start or stop pipelines, and can be configured with parameters and dependencies.
Examples of triggers include time-based schedules, event-based t...
IR stands for Integration Runtime. Dataset is a representation of data, while linked service is a connection to the data source.
IR is a compute infrastructure used to provide data integration capabilities
Dataset is a structured representation of data used in data engineering tasks
Linked service is a connection to a data source, providing access to the data
IR enables data movement and transformation between different da...
Optimization techniques in Spark
Partitioning data to optimize data locality
Caching frequently accessed data
Using broadcast variables for small data sets
Using appropriate data structures and algorithms
Avoiding unnecessary shuffling of data
What people are saying about UST
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 Naukri.com and was interviewed before Apr 2021. There were 2 interview rounds.
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.
based on 3 interviews
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