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Asked few Python questions
I applied via Referral and was interviewed in Apr 2022. There were 2 interview rounds.
Sorting arrays and lists of strings
Use built-in sorting functions like sorted() or sort()
Specify the key parameter to sort by a specific element in the strings
Use reverse=True to sort in descending order
I applied via Naukri.com and was interviewed before Oct 2020. There was 1 interview round.
I appeared for an interview in Sep 2024, where I was asked the following questions.
As a Business Analyst, I bridge the gap between stakeholders and IT, ensuring project requirements are met effectively.
Gather and analyze business requirements from stakeholders, e.g., conducting interviews and workshops.
Create detailed documentation, such as business requirement documents (BRDs) and functional specifications.
Facilitate communication between technical teams and business units to ensure alignment on pro...
Effective stakeholder management involves communication, understanding needs, and building relationships for project success.
Identify stakeholders: Map out all stakeholders involved in the project, such as clients, team members, and executives.
Understand their needs: Conduct interviews or surveys to gather insights on their expectations and concerns.
Regular communication: Schedule regular updates through meetings or re...
Effective requirement gathering involves various techniques to ensure comprehensive understanding of stakeholder needs.
Interviews: Conduct one-on-one sessions with stakeholders to gather detailed insights. For example, interviewing doctors to understand patient management systems.
Surveys and Questionnaires: Distribute structured forms to collect quantitative data from a larger audience. For instance, using surveys to a...
I applied via Recruitment Consulltant and was interviewed in Sep 2024. There were 2 interview rounds.
I am a detail-oriented business analyst with a strong background in data analysis and problem-solving.
Experienced in gathering and analyzing business requirements
Skilled in creating detailed reports and presentations
Proficient in using data visualization tools like Tableau
Strong communication and interpersonal skills
Certified in Agile methodologies
I applied via LinkedIn and was interviewed in Jun 2024. There was 1 interview round.
Using Unix command 'grep' to find a word in a set of files
Use 'grep' command followed by the word you want to search for and the file(s) you want to search in
Add the '-r' flag to search recursively in all files in a directory
Use '-i' flag for case-insensitive search
Example: grep 'hello' file.txt
Example: grep -r 'error' /path/to/directory
Example: grep -i 'apple' file1.txt file2.txt
Star schema is a denormalized schema with a single fact table and multiple dimension tables, while snowflake schema is a normalized schema with multiple dimension tables normalized into sub-dimension tables.
Star schema has a single fact table surrounded by multiple dimension tables, while snowflake schema has dimension tables normalized into sub-dimension tables.
In star schema, dimensions are denormalized, while in sno...
Data can be loaded into BigQuery using Dataflow by creating a pipeline in Dataflow that reads data from a source and writes it to BigQuery.
Create a Dataflow pipeline using Apache Beam SDK
Read data from a source such as Cloud Storage or Pub/Sub
Transform the data as needed using Apache Beam transformations
Write the transformed data to BigQuery using BigQueryIO.write()
I applied via Naukri.com and was interviewed in Nov 2024. There were 2 interview rounds.
It was basic coding to test the Python skills like reading data from local and uploading in cloud then some basic dag related questions
Clustering involves grouping similar data together, while partitioning involves dividing data into smaller, manageable sections.
Clustering is used to group similar data points together based on certain criteria, such as customer segments or product categories.
Partitioning involves dividing a large dataset into smaller, more manageable sections for easier data retrieval and processing.
Clustering is often used for data a...
Different approaches to optimizing SQL include indexing, query optimization, and database design.
Use indexing to improve query performance
Optimize queries by avoiding unnecessary joins and using appropriate functions
Design the database schema efficiently to reduce redundancy and improve data retrieval speed
To find the count of items bought by a customer from Flipkart during a year excluding February, you need to aggregate the data and filter out February transactions.
Aggregate the data by customer and item purchased
Filter out transactions from February
Count the number of items bought by each customer
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