Data Analysis | Learn Data Analysis | Simplilearn 🔥[2026 Updated] - Top 20 Data Analyst Interview Questions And Answers | Data Analytics Interview Question |Simplilearn

"️🔥IBM - Data Analyst - https://www.simplilearn.com/data-analyst-certification-course?utm_campaign=vWGLjrWtByo&utm_medium=DescriptionFFF&utm_source=Youtube ️🔥IITG - Professional Certificate Program in Data Analytics & Generative AI - https://www.simplilearn.com/iitk-professional-certificate-course-data-analytics?utm_campaign=vWGLjrWtByo&utm_medium=DescriptionFFF&utm_source=Youtube ️️🔥 IIT Delhi - Data Analytics, Generative AI And Adaptive System - https://www.simplilearn.com/ihfc-iitd-data-analytics-genai-course?utm_campaign=vWGLjrWtByo&utm_medium=DescriptionFFF&utm_source=Youtube ️🔥PL-300 Microsoft Power BI Certification Training with Exam - https://www.simplilearn.com/power-bi-certification-training-course?utm_campaign=vWGLjrWtByo&utm_medium=DescriptionFFF&utm_source=Youtube ️🔥Tableau Desktop Specialist Certification Training - https://www.simplilearn.com/tableau-training-and-data-visualization-course?utm_campaign=vWGLjrWtByo&utm_medium=DescriptionFFF&utm_source=Youtube" The Data industry is evolving faster than ever. In this video on the Top 20 Data Analyst Interview Questions and Answers by simplilearn, we’ll dive into the Top Trending Technologies to Learn in 2025 that are revolutionizing businesses and careers. The video will cover the most frequently asked theory questions on SQL, Tableau, Excel, Power BI, Python Data Analysis libraries and many more, apart from that, the video focuses on helping the learners with the most frequently asked practical interview questions based on excel and SQL, the video covers, SUMPRODUCT, GROUP BY, ORDER BY, SubQuery, LOOKUP, INDEXMATCH, and many more. Following are Interview Questions an Answers discussed: 00:00:00 Introduction to Top 20 Data Analyst Interview Questions and Answers 00:02:55 What is the difference between Database and Data Warehouse 00:03:28 How to handle missing values 00:05:29 How to find the second highest salary using SQL 00:07:05 Difference between INNER JOIN and LEFT JOIN 00:07:34 Difference between OLAP and OLTP 00:08:59 How to identify the effectiveness of a Marketing campaign? 00:10:37 Alternate Function for LookUp in Excel (INDEXMATCH() in Excel) 00:11:31 What are Relationships, Joins, and Data Blending? 00:14:05 What is DAX 00:16:16 What is the difference between LIVE and EXTRACT Data? 00:17:25 SQL Real-time interview Question 00:23:09 Retrieve the Total Sales for each category - Aggregate Functions in SQL 00:24:55 Top 5 Profitable Customers - Subquery in SQL 00:26:11 Count the Number of orders by Ship mode - Group BY in SQL / Order BY in SQL 00:28:33 Negative Profit in Sales 00:30:18 SUMPRODUCT Function in Excel 00:32:22 Anova in Excel 00:32:45 Filters in Excel 00:33:30 LookUp Functions in Excel 00:35:08 Data Visualization ✅ Subscribe to our Channel to learn more about the top Technologies: https://bit.ly/2VT4WtH #DataAnalystInterviewQuestions #DataAnalytics #DataAnalysis #simplielarn #2025 ⏩ Check out the Data Analytics training vWGLjrWtByos: https://youtube.com/playlist?list=PLEiEAq2VkUUKnB4Yzmn-B6O_hhcP-DanA ➡️ About Data Analyst Master’s Program This online data analyst course will transform you into a data analytics expert. In this certification course, you will learn the latest analytics tools and techniques, how to work with SQL, the languages of R and Python, the art of creating data visualizations, and how to apply statistics and predictive analytics in a business environment. ✅ Key Features - Simplilearn's JobAssist helps you get noticed by top hiring companies - Industry-recognized Data Analyst Master’s certificate from Simplilearn - Dedicated live sessions by faculty of industry experts - Masterclasses from IBM experts - Industry-recognized IBM certifications for IBM courses - Ask-Me-Anything (AMA) sessions with IBM leadership - Capstone from 3 domains and 20+ projects - Exclusive hackathons conducted by IBM - Lifetime access to self-paced learning content - Program crafted to initiate your journey as a Data Analyst ✅ Skills Covered - Data Analytics - Statistical Analysis using Excel - Data Analysis using Python and R - Data Visualization Tableau and Power BI - Linear and logistic regression modules - Clustering using KMeans - Supervised Learning - Unsupervised Learning 👉 Learn More at: 🔥🔥