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Resultant rows for different SQL joins
Inner join - returns rows that have matching values in both tables
Left join - returns all rows from the left table and the matched rows from the right table
Right join - returns all rows from the right table and the matched rows from the left table
Full outer join - returns all rows when there is a match in either left or right table
I applied via Approached by Company and was interviewed in Apr 2024. There were 2 interview rounds.
The test covered questions around stats (mean, median, etc), python, SQL and aptitude questions
Q1. Write a python code for the Fibonacci series.
Q2. Write a SQL code find the mean salary for every department.
Q3. Write a SQL code to find the employee age at the time of joining the company.
Q4. Rewrite the above queries in Python.
loc and iloc are methods in pandas used for selecting rows and columns by label or integer position.
loc is used for selecting rows and columns by label
iloc is used for selecting rows and columns by integer position
Example: df.loc[0:5, 'column_name']
Example: df.iloc[0:5, 2]
Vlookup is simpler and easier to use, while Index Match is more flexible and efficient.
Vlookup is easier for beginners to understand and use
Vlookup is quicker to set up and requires less formula writing
Index Match is more flexible as it can look up values in any column, not just the first one
Index Match is more efficient for large datasets as it does not require the entire column to be searched
BRD focuses on business requirements while FRD focuses on functional requirements.
BRD (Business Requirements Document) outlines the business problem that needs to be solved.
FRD (Functional Requirements Document) details how the system will meet the business requirements.
BRD is more high-level and focuses on the 'what', while FRD is more detailed and focuses on the 'how'.
BRD is typically created before FRD in the projec...
Retail experience and analysis
I have over 5 years of experience in retail industry analysis
Proficient in using data analytics tools to track sales trends and customer behavior
Implemented strategies based on market research to increase sales and customer satisfaction
Collaborated with cross-functional teams to optimize inventory management and pricing strategies
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posted on 10 May 2020
I applied via Recruitment Consultant and was interviewed in Apr 2020. There were 4 interview rounds.
I am a detail-oriented business analyst with experience in data analysis and process improvement.
I have a Bachelor's degree in Business Administration
I have worked with various stakeholders to identify business needs and requirements
I am proficient in SQL and Excel for data analysis
I have experience in process improvement and project management
I am a strong communicator and collaborator
I have completed a business analyst certification course and have interned at a software development company.
Completed a business analyst certification course from XYZ Institute
Interned at ABC Software Development Company for 6 months
Worked on requirement gathering, documentation and analysis for a project
Assisted senior business analysts in creating project plans and reports
The Instrumentation Department is responsible for designing, installing, and maintaining control systems and instruments used in industrial processes.
Designing and implementing control systems for industrial processes
Installing and maintaining instruments used in industrial processes
Ensuring accuracy and reliability of instruments and control systems
Collaborating with other departments to optimize processes and improve...
I am excited to join Affine Analytics because of their reputation for delivering innovative solutions and their focus on employee growth.
Affine Analytics has a strong track record of delivering cutting-edge solutions to clients across industries.
I am impressed by the company's commitment to employee growth and development, as evidenced by their training and mentorship programs.
I am excited about the opportunity to work...
Data analytics allows me to use my technical skills to solve business problems and make data-driven decisions.
Data analytics helps me to identify patterns and trends in data that can be used to improve business processes.
It allows me to work with large datasets and use statistical methods to extract insights.
I can use my technical skills to develop and implement data models and algorithms.
Data analytics is a growing fi...
No, two diodes in series cannot work as a transistor.
Transistors have three terminals while diodes have two.
Transistors can amplify signals while diodes cannot.
Transistors can be used as switches while diodes cannot.
Diodes in series will only increase the voltage drop.
Transistors have different modes of operation such as common emitter, common base, and common collector.
I developed a drone that can detect and monitor forest fires.
Designed and built a drone with thermal imaging camera
Integrated machine learning algorithm to detect fire
Tested and validated the drone in a controlled forest environment
Presented the project at a national engineering conference
I play badminton twice a week as a hobby.
I enjoy playing badminton as a way to stay active and relieve stress.
I usually play with friends or family members at a local community center.
I have been playing badminton for several years and have improved my skills over time.
No, I don't have any problem working in Bangalore.
I am familiar with the city and its culture
I have worked in Bangalore before and enjoyed my experience
I am open to new experiences and challenges
I am willing to adapt to the local environment and work culture
Real Madrid is my favorite because of their rich history, success, and style of play.
Real Madrid has won a record 13 Champions League titles, which is a testament to their success
Their style of play is attractive and entertaining to watch
The club has a rich history and has had some of the greatest players in football history, such as Cristiano Ronaldo and Zinedine Zidane
Factors to consider before going App only as CEO of Flipkart
Analyze the data from website and app to understand user behavior
Evaluate the impact on sales and revenue
Consider the potential loss of customers who prefer website over app
Assess the cost of developing and maintaining the app
Evaluate the competition and their strategies
Consider the impact on brand image and customer loyalty
Assess the feasibility of providing ...
I applied via Company Website and was interviewed in Jul 2021. There was 1 interview round.
Complex SQL scenarios and their results
Using subqueries to filter data
Joining multiple tables with complex conditions
Using window functions to calculate running totals
Pivoting data to transform rows into columns
Using recursive queries to traverse hierarchical data
I applied via Campus Placement and was interviewed in Sep 2024. There were 3 interview rounds.
The aptitude round was easy consisting of three sections
The second aptitude test was conducted by the HR of the company.
posted on 18 Jan 2025
I applied via Approached by Company and was interviewed in Jul 2024. There was 1 interview round.
A call option is a financial contract that gives the holder the right, but not the obligation, to buy an asset at a specified price within a specific time period.
Call options are commonly used in stock trading and allow investors to profit from a rising stock price.
The specified price at which the asset can be bought is known as the strike price.
The expiration date is the deadline by which the option must be exercised.
...
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