MAQ Software Data Analyst Interview Questions and Answers

Q1. Can you describe your skills and previous work experience?
Ans. 
I have strong analytical skills and experience in data manipulation, visualization, and interpretation.
• Proficient in SQL, Python, and R for data analysis

• Experience with data cleaning, transformation, and visualization tools such as Tableau and Power BI

• Strong background in statistical analysis and hypothesis testing

• Previous work experience includes analyzing sales data to identify trends and make recommendations for imp...read more
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1hour,Time speed distance

1hour,sql,python,algebra,Average

Q1. Basic que on sql join
Ans. 
SQL joins combine rows from two or more tables based on related columns, enabling complex queries and data analysis.
• INNER JOIN: Returns records with matching values in both tables. Example: SELECT * FROM A INNER JOIN B ON A.id = B.id;

• LEFT JOIN: Returns all records from the left table and matched records from the right table. Example: SELECT * FROM A LEFT JOIN B ON A.id = B.id;

• RIGHT JOIN: Returns all records from the ri...read more
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Q2. Python quetions
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Q1. Sql Questions, Pyspark..
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Q1. Sql joins,dense rank and rank,window function
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Q1. What is Informatica tool
Ans. 
Informatica is a data integration tool used for ETL (Extract, Transform, Load) processes in data engineering.
• Informatica is used for extracting data from various sources like databases, flat files, etc.

• It can transform the data according to business rules and load it into a target data warehouse or database.

• Informatica provides a visual interface for designing ETL workflows and monitoring data integration processes.

• It ...read more
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Q2. What is Datastage tool
Ans. 
Datastage is an ETL tool used for extracting, transforming, and loading data from various sources to a target destination.
• Datastage is part of the IBM Information Server suite.

• It provides a graphical interface to design and run data integration jobs.

• Datastage supports parallel processing for high performance.

• It can connect to a variety of data sources such as databases, flat files, and web services.

• Datastage jobs can b...read more
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8 python coding
With 2 aptitude

Game based assessment.
More than 8 games need to play

Q1. Questions from python and also from SQL. SQL is must to place LatentView. Some projects related questions
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Q2. How many joins are in SQL what is lamda function in python Difference between tuples and list
Ans. 
Answering questions related to SQL joins, lambda function in Python, and difference between tuples and lists.
• There are four types of joins in SQL: inner join, left join, right join, and full outer join.

• Lambda function is an anonymous function in Python that can take any number of arguments, but can only have one expression.

• Tuples are immutable and ordered collections of elements, while lists are mutable and ordered col...read more
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They give one topic and provide one minute for thinking its overall 30 min discussion

Q1. Total technical rounds 1)basic resume questions, python and sql questions. 2)same round 1 but a little bit extra dose 3) managerial round
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Q2. List, tuple, oops concept. joins from sql
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Q1. Why latent view why analytics best achivemnts
Ans. 
Latent view and analytics are essential for data-driven decision making. My best achievement is developing a predictive model for customer churn.
• Latent view helps to uncover hidden patterns and insights in data that are not immediately apparent.

• Analytics provides a systematic approach to analyzing data and extracting meaningful insights.

• My best achievement is developing a predictive model for customer churn that helped...read more
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