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Prioritize requests based on urgency and impact, communicate with stakeholders, and establish a structured process for handling ad hoc requests.
Prioritize requests based on urgency and impact to ensure critical issues are addressed first.
Communicate with stakeholders to understand the requirements and expectations for each request.
Establish a structured process for handling ad hoc requests, including documentation, tra...
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I applied via Campus Placement
SQL query using CASE WHEN THEN statement
Use CASE WHEN statement to create conditional logic in SQL queries
Syntax: SELECT column_name, CASE WHEN condition1 THEN result1 WHEN condition2 THEN result2 ELSE result3 END AS new_column_name FROM table_name
Example: SELECT name, CASE WHEN age < 18 THEN 'Minor' ELSE 'Adult' END AS age_group FROM customers
SQL query to join tables based on a common key
Use JOIN keyword to combine rows from two or more tables based on a related column between them
Specify the columns to be joined in the ON clause
Types of joins include INNER JOIN, LEFT JOIN, RIGHT JOIN, and FULL JOIN
I applied via Referral and was interviewed before Nov 2023. There were 2 interview rounds.
You are building a model to predict if an order will be returned for a furniture ecommerce site.
1. steps to be followed.
2. What all features would you select based on your business sense.
I applied via Naukri.com and was interviewed in Jun 2021. There were 3 interview rounds.
I applied via Campus Placement and was interviewed in Jun 2024. There was 1 interview round.
A p-value is a measure used in statistical hypothesis testing to determine the strength of evidence against the null hypothesis.
A p-value is the probability of obtaining results as extreme as the observed results, assuming the null hypothesis is true.
A p-value is compared to a significance level (usually 0.05) to determine if the null hypothesis should be rejected.
A p-value less than the significance level indicates st
The output of a**2 is the square of the value of a.
The output is the value of a multiplied by itself
For example, if a = 3, then the output would be 9 (3*3)
append() adds elements to a single DataFrame, while concat() combines multiple DataFrames.
append() is a method used to add rows to a DataFrame.
concat() is a function used to combine multiple DataFrames along a particular axis.
append() modifies the original DataFrame, while concat() returns a new DataFrame.
Example: df1.append(df2) vs pd.concat([df1, df2])
I applied via Naukri.com and was interviewed in Nov 2021. There were 4 interview rounds.
Yes, I am always open to learning new technologies.
I actively seek out opportunities to learn new technologies.
I have taken online courses to learn new programming languages.
I am comfortable with using online resources to learn new technologies.
I am excited to learn about any new technologies that may be relevant to my work.
Financial statements are reports that show the financial performance of a company.
Financial statements include the balance sheet, income statement, and cash flow statement.
The balance sheet shows the company's assets, liabilities, and equity.
The income statement shows the company's revenue, expenses, and net income.
The cash flow statement shows the company's cash inflows and outflows.
Financial statements are important ...
I applied via LinkedIn and was interviewed in Feb 2022. There was 1 interview round.
Developed a script for forecasting using KNN and data science models.
Developed a script using Python to forecast sales for a retail company using KNN algorithm.
Built a data science model to predict customer churn for a telecom company using logistic regression.
Used time series analysis to forecast stock prices for a financial services company.
Developed a script to predict the likelihood of a customer defaulting on a lo...
I was interviewed in Aug 2021.
Round duration - 90 Minutes
Round difficulty - Medium
5-9pm
You are given an array/list of integers with length 'N'. A sliding window of size 'K' moves from the start to the end of the array. For each of the 'N'-'K'+1 possi...
The problem involves finding the maximum element in each sliding window of size 'K' in an array of integers.
Iterate through the array and maintain a deque to store the indices of elements in the current window.
Remove indices from the deque that are outside the current window.
Keep the deque in decreasing order of element values to easily find the maximum element in each window.
Round duration - 45 Minutes
Round difficulty - Medium
Timing was Morning-noon
Interviewer was super friendly.
He even helped me at places I got Stuck
Explaining a complex joins problem in DBMS
Discussing the use of different types of joins like inner join, outer join, self join, etc.
Explaining how to handle null values and duplicates during joins
Demonstrating a scenario where multiple tables need to be joined based on different keys
Round duration - 15 Minutes
Round difficulty - Easy
Easiest HR round ever.
Just 15 mins after the technical interview round
Tip 1 : Prepare short hand written notes for a quick glance before each interview.
Tip 2 : Start with Easy questions for DSA and Slowly Increase your level to medium and then to hard. Do not Rush things.
Tip 3 : Follow LOVE BABBAR'S DSA sheet. It's the best.
Tip 1 : Mention only genuine Skills on your resume. Do not lie or over-exaggerate
Tip 2 : Do not put Coursera/Udemy or any such Course Certifications on Your Resume, As Interviewers do not care about where You learnt things from, They only care about The things you know.
I applied via Company Website and was interviewed in Jul 2022. There were 5 interview rounds.
The test will be conducted in a interview process
Group discussion is a communicate in a people
based on 1 interview
Interview experience
Amazon
Reliance Retail
Flipkart
Mahindra & Mahindra