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MagnusMinds IT Solution Junior Data Analyst Interview Questions and Answers
MagnusMinds IT Solution Junior Data Analyst Interview Experiences
1 interview found
Dhruvik Detroja
I applied via Referral and was interviewed in Dec 2023. There was 1 interview round.
(3 Questions)
- Q1. Difference betweek PowerBI Report and Dashboard
- Ans.
PowerBI Report is a collection of visualizations and data organized in a single page, while Dashboard is a single-page display of key metrics and KPIs.
PowerBI Report contains multiple pages with different visualizations and data sets.
Dashboards are a single-page display of key metrics and KPIs for quick insights.
Reports are more detailed and allow for in-depth analysis, while Dashboards provide a high-level overview.
Re...
- Q2. What is joins in SQL
- Ans.
Joins in SQL are used to combine rows from two or more tables based on a related column between them.
Joins are used to retrieve data from multiple tables based on a related column
Common types of joins include INNER JOIN, LEFT JOIN, RIGHT JOIN, and FULL JOIN
Example: SELECT * FROM table1 INNER JOIN table2 ON table1.column = table2.column
- Q3. Difference betweek cross join and cross apply
- Ans.
Cross join combines every row from the first table with every row from the second table, while cross apply applies a table-valued function to each row of the first table.
Cross join results in a Cartesian product of the two tables.
Cross apply is used to invoke a table-valued function for each row of the first table.
Cross join does not require a specific condition to join the tables, while cross apply does.
Interview Preparation Tips
- 365datascience.com
Skills evaluated in this interview
Interview questions from similar companies
Anonymous
(2 Questions)
- Q1. About my cv details
- Q2. About Data analyst questions
(3 Questions)
- Q1. About the Excel
- Q2. Tablue questions
- Q3. SQL and power bi
(2 Questions)
- Q1. What is duel axis
- Ans.
Dual axis is a feature in data visualization where two different scales are used on the same chart to represent two different data sets.
Dual axis allows for comparing two different measures on the same chart
Each measure is assigned to its own axis, allowing for easy comparison
Commonly used in tools like Tableau for creating more complex visualizations
- Q2. What is scatter plot
- Ans.
A scatter plot is a type of data visualization that displays the relationship between two numerical variables through dots on a graph.
Scatter plots are used to identify patterns and relationships between variables.
Each dot on the plot represents a single data point with the x-axis representing one variable and the y-axis representing the other variable.
The pattern of the dots can indicate the strength and direction of ...
(2 Questions)
- Q1. What is blending
- Ans.
Blending is the process of combining multiple data sources or datasets to create a unified view.
Blending involves merging data from different sources to gain insights or make decisions.
It helps in creating a comprehensive dataset by combining relevant information from various sources.
Blending can be done using tools like Tableau, Power BI, or Python libraries like Pandas.
For example, blending sales data from CRM with c...
- Q2. What is joining
Skills evaluated in this interview
(1 Question)
- Q1. Tell me about your Project
- Ans.
Developed a predictive model to forecast customer churn for a telecommunications company.
Used machine learning algorithms such as logistic regression and random forest
Performed data preprocessing and feature engineering to improve model accuracy
Collaborated with business stakeholders to understand key factors influencing customer churn
Selected
I applied via Referral and was interviewed in Oct 2023. There were 3 interview rounds.
(1 Question)
- Q1. Personal information related questions and degree related with also details in medical device and pharmacovigilance
(4 Questions)
- Q1. Mostly medical device questions and pharmacovigilance
- Q2. Details about pharmacovigilance
- Q3. Details about medical device
- Q4. It was Abbott Diabetic Care, so question was like any brief idea about diabetes , types of diabetes
I applied via Referral and was interviewed in Dec 2023. There was 1 interview round.
(3 Questions)
- Q1. What are the available data types in sql
- Ans.
The available data types in SQL include numeric, character, date/time, and boolean types.
Numeric data types include integer, decimal, and floating-point types.
Character data types include char, varchar, and text types.
Date/time data types include date, time, datetime, and timestamp types.
Boolean data type represents true or false values.
- Q2. What are the joins available in SQL
- Ans.
Joins are used to combine rows from two or more tables based on related columns.
INNER JOIN: Returns records that have matching values in both tables.
LEFT JOIN: Returns all records from the left table and the matched records from the right table.
RIGHT JOIN: Returns all records from the right table and the matched records from the left table.
FULL JOIN: Returns all records when there is a match in either left or right tab...
- Q3. What is Power bi
- Ans.
Power BI is a business analytics tool that provides interactive visualizations and business intelligence capabilities.
Power BI is a Microsoft product used for data analysis and visualization.
It allows users to connect to various data sources and create interactive reports and dashboards.
Power BI offers a wide range of visualizations, such as charts, graphs, and maps, to present data in a meaningful way.
Users can perfor...
Skills evaluated in this interview
Bhavana Madireddy
I applied via Campus Placement
(1 Question)
- Q1. Tell me about ur projects
I applied via Job Fair and was interviewed in Oct 2023. There were 3 interview rounds.
Quantitative, Verbal , numerical etc
Basic Programming questions
(1 Question)
- Q1. Reversing of String using C
- Ans.
Reversing a string in C using pointers and arrays.
Use a pointer to the beginning of the string and another pointer to the end of the string.
Swap the characters at the two pointers and move them towards each other until they meet in the middle.
Repeat the process until the entire string is reversed.
Interview Preparation Tips
- Hacker rank
- Good Programming
Skills evaluated in this interview
Time, arithmetic problems
Sql queries and python basics
(1 Question)
- Q1. Same advance sql and dashboards
Problem solving using sql and publishing dashboards
(1 Question)
- Q1. Salary negotiation
Interview Preparation Tips
PRASHANTHI VISWASHULA
I applied via Job Portal and was interviewed in Apr 2023. There were 3 interview rounds.
Tell about yourself ..?
(1 Question)
- Q1. About the projects that I have done .Regarding Sql
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