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I applied via Recruitment Consulltant and was interviewed in May 2024. There were 2 interview rounds.
I handle complex data sets by breaking them down into smaller, more manageable chunks and utilizing tools like Python and SQL for analysis.
Break down the data into smaller subsets for easier analysis
Utilize tools like Python and SQL for data manipulation and analysis
Use visualization techniques to identify patterns and trends in the data
Collaborate with team members to gain different perspectives on the data
Document th...
Provided data set and had top create dashboard and provide presentation to present to directors and managers
Top trending discussions
I applied via Naukri.com and was interviewed in Nov 2024. There were 2 interview rounds.
The Aptitude Test session accesses mathematical and logical reasoning abilities
Vlookup is a function in Excel used to search for a value in a table and return a corresponding value from another column.
Vlookup stands for 'Vertical Lookup'
It is commonly used in Excel to search for a value in the leftmost column of a table and return a value in the same row from a specified column
Syntax: =VLOOKUP(lookup_value, table_array, col_index_num, [range_lookup])
Example: =VLOOKUP(A2, B2:D10, 3, FALSE) - searc...
My day in my previous organization involved analyzing large datasets, creating reports, and presenting findings to stakeholders.
Reviewing and cleaning large datasets to ensure accuracy
Creating visualizations and reports to communicate insights
Collaborating with team members to identify trends and patterns
Presenting findings to stakeholders in meetings or presentations
I possess strong technical skills in data analysis, including proficiency in programming languages, statistical analysis, and data visualization tools.
Proficient in programming languages such as Python, R, SQL
Skilled in statistical analysis and data modeling techniques
Experience with data visualization tools like Tableau, Power BI
Knowledge of machine learning algorithms and techniques
A Pivot Table is a data summarization tool used in spreadsheet programs to analyze, summarize, and present data in a tabular format.
Pivot tables allow users to reorganize and summarize selected columns and rows of data to obtain desired insights.
Users can easily group and filter data, perform calculations, and create visualizations using pivot tables.
Pivot tables are commonly used in Excel and other spreadsheet program...
To find the highest-paid employee in each department, we need to group employees by department and then select the employee with the highest salary in each group.
Group employees by department
Find the employee with the highest salary in each group
Retrieve the employee's name, salary, and department name
I applied via Naukri.com and was interviewed in Dec 2024. There was 1 interview round.
Pandas, Jumpy, and Matplotlib have been revitalized, while Power BI has contributed to the valuation of businesses.
I applied via Recruitment Consulltant and was interviewed in Nov 2024. There were 2 interview rounds.
Sql python bigdata hadoop hive spark
1 hour simple coding python sql
SQL allows for efficient data retrieval, manipulation, and analysis in relational databases.
SQL is widely used in querying databases to retrieve specific data.
It allows for data manipulation, such as adding, updating, and deleting records.
SQL can perform complex data analysis tasks, such as aggregations and joins.
It provides a standardized language for interacting with relational databases.
SQL is essential for generati...
Python is a versatile programming language known for its simplicity, readability, and vast library support.
Easy to learn and use, making it ideal for beginners and experienced programmers alike
Extensive library support for data analysis, machine learning, web development, and more
Strong community support with active forums and resources for problem-solving
Cross-platform compatibility allows for seamless integration wit...
Spark is a fast and powerful big data processing framework that offers benefits like speed, ease of use, and versatility.
Spark is known for its speed, as it can process data up to 100 times faster than traditional Hadoop MapReduce.
It offers ease of use with high-level APIs in Java, Scala, Python, and SQL, making it accessible to a wide range of users.
Spark is versatile, supporting various workloads such as batch proces...
Huddles of data engineers refer to collaborative meetings or discussions among data engineers to share insights, solve problems, and make decisions.
Huddles are typically informal and can be scheduled or ad-hoc.
They provide a platform for data engineers to brainstorm, troubleshoot, and exchange ideas.
Huddles may involve reviewing code, discussing data pipelines, or addressing technical challenges.
Effective huddles promo...
I applied via Walk-in and was interviewed in Nov 2024. There were 2 interview rounds.
Online aptitude test with maths and statistics and data analysis
I applied via Campus Placement and was interviewed in Nov 2024. There was 1 interview round.
Logical,verbal,quants
I applied via Naukri.com and was interviewed in Nov 2024. There was 1 interview round.
I applied via Walk-in and was interviewed in Nov 2024. There was 1 interview round.
Power BI is a business analytics tool by Microsoft that provides interactive visualizations and business intelligence capabilities.
Power BI is a data visualization tool used to create interactive reports and dashboards.
It allows users to connect to various data sources, clean and transform data, and create visually appealing reports.
Users can share and collaborate on reports with others, and access them on multiple dev...
Enumeration is the process of listing items in a specific order or sequence.
Enumeration is commonly used in programming to iterate through a list of items.
It helps in organizing and categorizing data for analysis.
Examples include counting the number of occurrences of specific values in a dataset.
Interview experience
TCS
Accenture
Wipro
Cognizant