Data Analytics & AI | SQL Interviews | Power BI Resources
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๐Ÿ”“Explore the fascinating world of Data Analytics & Artificial Intelligence

๐Ÿ’ป Best AI tools, free resources, and expert advice to land your dream tech job.

Admin: @coderfun

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Essential Skills to Master for Using Generative AI

1๏ธโƒฃ Prompt Engineering
โœ๏ธ Learn how to craft clear, detailed prompts to get accurate AI-generated results.

2๏ธโƒฃ Data Literacy
๐Ÿ“Š Understand data sources, biases, and how AI models process information.

3๏ธโƒฃ AI Ethics & Responsible Usage
โš–๏ธ Know the ethical implications of AI, including bias, misinformation, and copyright issues.

4๏ธโƒฃ Creativity & Critical Thinking
๐Ÿ’ก AI enhances creativity, but human intuition is key for quality content.

5๏ธโƒฃ AI Tool Familiarity
๐Ÿ” Get hands-on experience with tools like ChatGPT, DALLยทE, Midjourney, and Runway ML.

6๏ธโƒฃ Coding Basics (Optional)
๐Ÿ’ป Knowing Python, SQL, or APIs helps customize AI workflows and automation.

7๏ธโƒฃ Business & Marketing Awareness
๐Ÿ“ข Leverage AI for automation, branding, and customer engagement.

8๏ธโƒฃ Cybersecurity & Privacy Knowledge
๐Ÿ” Learn how AI-generated data can be misused and ways to protect sensitive information.

9๏ธโƒฃ Adaptability & Continuous Learning
๐Ÿš€ AI evolves fastโ€”stay updated with new trends, tools, and regulations.

Master these skills to make the most of AI in your personal and professional life! ๐Ÿ”ฅ

Free Generative AI Resources: https://whatsapp.com/channel/0029VazaRBY2UPBNj1aCrN0U
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๐Ÿฏ ๐—™๐—ฅ๐—˜๐—˜ ๐—–๐—ผ๐˜‚๐—ฟ๐˜€๐—ฒ๐˜€ ๐˜๐—ผ ๐—ฆ๐˜๐—ฎ๐—ฟ๐˜ ๐—ฌ๐—ผ๐˜‚๐—ฟ ๐——๐—ฎ๐˜๐—ฎ ๐—”๐—ป๐—ฎ๐—น๐˜†๐˜๐—ถ๐—ฐ๐˜€ ๐—–๐—ฎ๐—ฟ๐—ฒ๐—ฒ๐—ฟ ๐—ถ๐—ป ๐Ÿฎ๐Ÿฌ๐Ÿฎ๐Ÿฑ!๐Ÿ˜

Want to break into Data Analytics but donโ€™t know where to start? ๐Ÿค”

These 3 beginner-friendly and 100% FREE courses will help you build real skills โ€” no degree required!๐Ÿ‘จโ€๐ŸŽ“

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No confusion, no fluff โ€” just pure valueโœ…๏ธ
Power BI Scenario based Questions ๐Ÿ‘‡๐Ÿ‘‡

๐Ÿ“ˆ Scenario 1:Question: Imagine you need to visualize year-over-year growth in product sales. What approach would you take to calculate and present this information effectively in Power BI?

Answer: To visualize year-over-year growth in product sales, I would first calculate the sales for each product for the current year and the previous year using DAX measures in Power BI. Then, I would create a line chart visual where the x-axis represents the months or quarters, and the y-axis represents the sales amount. I would plot two lines on the chart, one for the current year's sales and one for the previous year's sales, allowing stakeholders to easily compare the growth trends over time.

๐Ÿ”„ Scenario 2: Question: You're working with a dataset that requires extensive data cleaning and transformation before analysis. Describe your process for cleaning and preparing the data in Power BI, ensuring accuracy and efficiency.

Answer: For cleaning and preparing the dataset in Power BI, I would start by identifying and addressing missing or duplicate values, outliers, and inconsistencies in data formats. I would use Power Query Editor to perform data cleaning operations such as removing null values, renaming columns, and applying transformations like data type conversion and standardization. Additionally, I would create calculated columns or measures as needed to derive new insights from the cleaned data.

๐Ÿ”Œ Scenario 3: Question: Your organization wants to incorporate real-time data updates into their Power BI reports. How would you set up and manage live data connections in Power BI to ensure timely insights?

Answer: To incorporate real-time data updates into Power BI reports, I would utilize Power BI's streaming datasets feature. I would set up a data streaming connection to the source system, such as a database or API, and configure the dataset to receive real-time data updates at specified intervals. Then, I would design reports and visuals based on the streaming dataset, enabling stakeholders to view and analyze the latest data as it is updated in real-time.

โšก Scenario 4: Question: You've noticed that your Power BI reports are taking longer to load and refresh than usual. How would you diagnose and address performance issues to optimize report performance?

Answer: If Power BI reports are experiencing performance issues, I would first identify potential bottlenecks by analyzing factors such as data volume, query complexity, and visual design. Then, I would optimize report performance by applying techniques such as data model optimization, query optimization, and visualization best practices.
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๐Ÿฒ ๐—ฅ๐—ฒ๐—ฎ๐—น-๐—ช๐—ผ๐—ฟ๐—น๐—ฑ ๐—ฆ๐—ค๐—Ÿ ๐—ฃ๐—ฟ๐—ผ๐—ท๐—ฒ๐—ฐ๐˜๐˜€ ๐˜๐—ผ ๐—•๐—ผ๐—ผ๐˜€๐˜ ๐—ฌ๐—ผ๐˜‚๐—ฟ ๐—”๐—ป๐—ฎ๐—น๐˜†๐˜๐—ถ๐—ฐ๐˜€ ๐—ฃ๐—ผ๐—ฟ๐˜๐—ณ๐—ผ๐—น๐—ถ๐—ผ (๐—™๐—ฅ๐—˜๐—˜ ๐——๐—ฎ๐˜๐—ฎ๐˜€๐—ฒ๐˜๐˜€!)๐Ÿ˜

๐ŸŽฏ Want to level up your SQL skills with real business scenarios?๐Ÿ“š

These 6 hands-on SQL projects will help you go beyond basic SELECT queries and practice what hiring managers actually care about๐Ÿ‘จโ€๐Ÿ’ป๐Ÿ“Œ

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Save this post โ€” even completing 1 project can power up your SQL profile!โœ…๏ธ
Data Analytics Roadmap

1. Fundamentals of Statistics and Mathematics
  - Understand descriptive statistics: mean, median, mode, variance, standard deviation.
  - Basics of probability theory.
  - Hypothesis testing and statistical inference.
  - Some linear algebra and calculus basics (optional depending on needs).

2. Learn Excel and Google Sheets
  - Master spreadsheet basics: formulas, functions, pivot tables.
  - Data visualization with charts and graphs.
  - Basic automation with macros and advanced formulas.

3. Programming for Data Analytics
  - Choose Python or R as your main analytical programming language.
  - Python libraries: pandas (data manipulation), numpy (numerical operations), matplotlib and seaborn (visualization).
  - For R: dplyr, ggplot2.
  - Use Jupyter Notebook (Python) or RStudio for coding environment.

4. Databases and SQL
  - Understand relational databases and how data is stored.
  - Learn SQL queries: SELECT, JOIN, GROUP BY, aggregation functions.
  - Practice querying real databases.

5. Data Visualization Tools
  - Learn tools like Tableau, Power BI, or Looker.
  - Build interactive dashboards and reports.
  - Understand best practices for effective visualization (color, simplicity, clarity).

6. Business Analytics Fundamentals
  - Understand business processes and workflows.
  - Define Key Performance Indicators (KPIs).
  - Translate business questions into analytical problems.

7. Data Cleaning and Preprocessing
  - Handle missing, inconsistent, and outlier data.
  - Data transformation and normalization techniques.
  - Use Python (pandas) or other tools to clean data effectively.

8. Basics of Machine Learning (Optional for Advanced Skills)
  - Understand simple models: linear regression, classification.
  - Use scikit-learn library in Python.
  - Apply models for forecasting and clustering.

9. Hands-on Practice and Projects
  - Work on real datasets from Kaggle or other platforms.
  - Build a portfolio showcasing your data analysis projects.
  - Participate in data competitions and hackathons.

10. Communication and Reporting
  - Develop skills in presenting data insights clearly.
  - Create compelling reports and presentations.
  - Learn to work with stakeholders to tailor insights.

Share with credits: https://t.iss.one/sqlspecialist

React โ™ฅ๏ธ for more
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Key data science programming languages and tools
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Data Science Roadmap
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๐Ÿฒ ๐—™๐—ฟ๐—ฒ๐—ฒ ๐—–๐—ผ๐˜‚๐—ฟ๐˜€๐—ฒ๐˜€ ๐˜๐—ผ ๐—ฆ๐˜๐—ฎ๐—ฟ๐˜ ๐—ฌ๐—ผ๐˜‚๐—ฟ ๐——๐—ฎ๐˜๐—ฎ ๐—ฆ๐—ฐ๐—ถ๐—ฒ๐—ป๐—ฐ๐—ฒ & ๐—”๐—ป๐—ฎ๐—น๐˜†๐˜๐—ถ๐—ฐ๐˜€ ๐—๐—ผ๐˜‚๐—ฟ๐—ป๐—ฒ๐˜†๐Ÿ˜

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This list will set you up with real-world, job-ready skillsโœ…๏ธ
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There are several AI tools and libraries available to assist with coding in Python. Here are some of the most popular ones:

1. GitHub Copilot: An AI-powered code completion tool developed by GitHub and OpenAI. It can suggest entire lines or blocks of code based on the context of what you're writing.

2. Tabnine: An AI code completion tool that supports various IDEs and code editors. It uses deep learning models to predict and suggest code completions.

3. Kite: An AI-powered code completion and documentation tool that integrates with many popular IDEs. It offers in-line code completions and documentation for Python.

4. PyCharm's Code Completion: JetBrains' PyCharm IDE comes with advanced code completion features, which are enhanced by AI to provide context-aware suggestions.

5. Jupyter Notebooks with AI Integration: Jupyter notebooks can integrate with various AI tools and libraries for code completion and suggestions, like JupyterLab Code Formatter or extensions that integrate with AI models.

6. DeepCode: An AI-based code review tool that helps identify and fix bugs, security vulnerabilities, and code quality issues.

7. IntelliCode: An extension for Visual Studio Code that uses AI to provide code suggestions and improve productivity.

8. Codota: An AI-powered code suggestion tool that integrates with many IDEs and provides context-aware code completions.

9. Repl.it Ghostwriter: An AI-powered code completion tool available in the Repl.it online coding environment.

Join for more: https://t.iss.one/machinelearning_deeplearning
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Forwarded from Artificial Intelligence
๐—–๐—ฟ๐—ฎ๐—ฐ๐—ธ ๐—™๐—”๐—”๐—ก๐—š ๐—œ๐—ป๐˜๐—ฒ๐—ฟ๐˜ƒ๐—ถ๐—ฒ๐˜„๐˜€ ๐—ถ๐—ป ๐Ÿฎ๐Ÿฌ๐Ÿฎ๐Ÿฑ โ€” ๐—ณ๐—ผ๐—ฟ ๐—™๐—ฅ๐—˜๐—˜!๐Ÿ˜

If youโ€™re serious about cracking top tech interviews โ€” from FAANG to startups โ€” this is the roadmap you canโ€™t afford to miss๐ŸŽŠ

Thousands have used it to land roles at Google, Amazon, Microsoft, and more โ€” completely free๐Ÿคฉ๐Ÿ“Œ

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Your dream job might just start here.โœ…๏ธ
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๐Ÿฐ ๐—™๐—ฟ๐—ฒ๐—ฒ ๐— ๐—ถ๐—ฐ๐—ฟ๐—ผ๐˜€๐—ผ๐—ณ๐˜ ๐—ฅ๐—ฒ๐˜€๐—ผ๐˜‚๐—ฟ๐—ฐ๐—ฒ๐˜€ ๐˜๐—ผ ๐— ๐—ฎ๐˜€๐˜๐—ฒ๐—ฟ ๐——๐—ฎ๐˜๐—ฎ ๐—ฆ๐—ฐ๐—ถ๐—ฒ๐—ป๐—ฐ๐—ฒ ๐—ถ๐—ป ๐Ÿฎ๐Ÿฌ๐Ÿฎ๐Ÿฑ๐Ÿ˜

Want to break into data science in 2025โ€”without spending a single rupee?๐Ÿ’ฐ๐Ÿ‘จโ€๐Ÿ’ป

Youโ€™re in luck! Microsoft is offering powerful, beginner-friendly resources that teach you everything from Python fundamentals to AI and data analyticsโ€”for free๐Ÿคฉโœ”๏ธ

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Level up your career in the booming field of dataโœ…๏ธ
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๐Ÿฐ ๐— ๐˜‚๐˜€๐˜-๐—ช๐—ฎ๐˜๐—ฐ๐—ต ๐—ฌ๐—ผ๐˜‚๐—ง๐˜‚๐—ฏ๐—ฒ ๐—–๐—ผ๐˜‚๐—ฟ๐˜€๐—ฒ๐˜€ ๐—ณ๐—ผ๐—ฟ ๐—˜๐˜ƒ๐—ฒ๐—ฟ๐˜† ๐——๐—ฎ๐˜๐—ฎ ๐—”๐—ป๐—ฎ๐—น๐˜†๐˜๐—ถ๐—ฐ๐˜€ ๐—ฆ๐˜๐˜‚๐—ฑ๐—ฒ๐—ป๐˜ ๐—ถ๐—ป ๐Ÿฎ๐Ÿฌ๐Ÿฎ๐Ÿฑ๐Ÿ˜

If youโ€™re starting your data analytics journey, these 4 YouTube courses are pure gold โ€” and the best part? ๐Ÿ’ป๐Ÿคฉ

Theyโ€™re completely free๐Ÿ’ฅ๐Ÿ’ฏ

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Each course can help you build the right foundation for a successful tech careerโœ…๏ธ
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Machine Learning Roadmap
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๐Ÿฒ ๐—™๐—ฅ๐—˜๐—˜ ๐—–๐—ฒ๐—ฟ๐˜๐—ถ๐—ณ๐—ถ๐—ฐ๐—ฎ๐˜๐—ถ๐—ผ๐—ป ๐—–๐—ผ๐˜‚๐—ฟ๐˜€๐—ฒ๐˜€ ๐—™๐—ฟ๐—ผ๐—บ ๐—ง๐—ผ๐—ฝ ๐—ข๐—ฟ๐—ด๐—ฎ๐—ป๐—ถ๐˜‡๐—ฎ๐˜๐—ถ๐—ผ๐—ป๐˜€ ๐Ÿ˜

A power-packed selection of 100% free, certified courses from top institutions:

- Data Analytics โ€“ Cisco
- Digital Marketing โ€“ Google
- Python for AI โ€“ IBM/edX
- SQL & Databases โ€“ Stanford
- Generative AI โ€“ Google Cloud
- Machine Learning โ€“ Harvard

๐—˜๐—ป๐—ฟ๐—ผ๐—น๐—น ๐—™๐—ผ๐—ฟ ๐—™๐—ฅ๐—˜๐—˜๐Ÿ‘‡:- 
 
https://pdlink.in/3FcwrZK
 
Master inโ€‘demand tech skills with these 6 certified, top-tier free courses
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As a data analyst, your focus isn't on creating dashboards, writing SQL queries, doing pivot tables, generating reports, or cleaning data.

Your focus should be solving business problems using these skills

- Donโ€™t just write SQLโ€”ask why you're querying that data and what decision it will influence.

- Donโ€™t just build a dashboardโ€”ask who will use it and how it will help them take action.

- Donโ€™t just clean dataโ€”know what insight lies beneath the mess.

- Donโ€™t just report metricsโ€”ask what story theyโ€™re telling and what recommendation can follow.
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๐Ÿš€ ๐Ÿณ ๐—™๐—ฟ๐—ฒ๐—ฒ ๐— ๐—ถ๐—ฐ๐—ฟ๐—ผ๐˜€๐—ผ๐—ณ๐˜ + ๐—Ÿ๐—ถ๐—ป๐—ธ๐—ฒ๐—ฑ๐—œ๐—ป ๐—–๐—ฒ๐—ฟ๐˜๐—ถ๐—ณ๐—ถ๐—ฐ๐—ฎ๐˜๐—ถ๐—ผ๐—ป๐˜€ ๐˜๐—ผ ๐—•๐—ผ๐—ผ๐˜€๐˜ ๐—ฌ๐—ผ๐˜‚๐—ฟ ๐—–๐—ฎ๐—ฟ๐—ฒ๐—ฒ๐—ฟ ๐—ถ๐—ป ๐Ÿฎ๐Ÿฌ๐Ÿฎ๐Ÿฑ ๐Ÿ˜

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๐Ÿ’ผ Perfect for students, freshers & working professionals
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๐—ง๐—ถ๐—ฟ๐—ฒ๐—ฑ ๐—ผ๐—ณ ๐˜€๐˜๐—ฟ๐˜‚๐—ด๐—ด๐—น๐—ถ๐—ป๐—ด ๐˜๐—ผ ๐—ณ๐—ถ๐—ป๐—ฑ ๐—ด๐—ผ๐—ผ๐—ฑ ๐—”๐—œ/๐— ๐—Ÿ ๐—ฝ๐—ฟ๐—ผ๐—ท๐—ฒ๐—ฐ๐˜๐˜€ ๐˜๐—ผ ๐—ฝ๐—ฟ๐—ฎ๐—ฐ๐˜๐—ถ๐—ฐ๐—ฒ?๐Ÿ˜

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โœจSave this. Share this. Start building.โœ…๏ธ
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