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Data Analytics Projects - SQL, Excel, Tableau, Python & Power BI Interview Resources

Data Analytics Projects - SQL, Excel, Tableau, Python & Power BI Interview Resources

前往频道在 Telegram

Covering all technical and popular stuff about anything related to Data Science: AI, Big Data, Machine Learning, Statistics, general Math and the applications of former. Ads/ Promo: @love_data

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📈 Telegram 频道 Data Analytics Projects - SQL, Excel, Tableau, Python & Power BI Interview Resources 的分析概览

频道 Data Analytics Projects - SQL, Excel, Tableau, Python & Power BI Interview Resources (@sqlproject) 英语 语言赛道中的 是活跃参与者。目前社区聚集了 39 525 名订阅者,在 教育 类别中位列第 4 699,并在 印度 地区排名第 10 043

📊 受众指标与增长动态

невідомо 创建以来,项目保持高速增长,吸引了 39 525 名订阅者。

根据 23 六月, 2026 的最新数据,频道保持稳定运转。过去 30 天订阅人数变化为 152,过去 24 小时变化为 -5,整体触达仍然可观。

  • 认证状态: 未认证
  • 互动率 (ER): 平均受众互动率为 2.19%。内容发布后 24 小时内通常能获得 0.50% 的反应,占订阅者总量。
  • 帖子覆盖: 每篇帖子平均可获得 866 次浏览,首日通常累积 196 次浏览。
  • 互动与反馈: 受众积极参与,单帖平均反应数为 2
  • 主题关注点: 内容集中在 analytic, dataset, visualization, sql, learning 等核心主题上。

📝 描述与内容策略

作者将该频道定位为表达主观观点的平台:
Covering all technical and popular stuff about anything related to Data Science: AI, Big Data, Machine Learning, Statistics, general Math and the applications of former. Ads/ Promo: @love_data

凭借高频更新(最新数据采集于 24 六月, 2026),频道始终保持新鲜度与高覆盖。分析显示受众积极互动,使其成为 教育 类别中的关键影响点。

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+3 195
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+2 706
在10个频道中
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+3 039
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频道帖子
Top Data Analyst Projects That Impress Recruiters 📈💼 1. Sales Data Analysis → Analyze monthly/quarterly sales trends → Segment by product, region, and sales reps → Tools: Excel, SQL, Power BI/Tableau 2. Customer Retention Dashboard → Churn analysis and retention KPIs → Use cohort analysis, funnel visualization → Tools: Python, Tableau 3. E-commerce Data Exploration → Study user behavior, conversion rate → Analyze cart abandonment, top-selling products → Tools: SQL, Python (Pandas, Matplotlib) 4. HR Data Insights → Track hiring trends, attrition, diversity metrics → Build dashboards showing tenure, department stats → Tools: Excel, Power BI 5. Financial Data Modeling → Actual vs. forecasted revenue/costs → Include profitability ratios and variance analysis → Tools: Excel, Power BI, SQL 6. Web Traffic Analysis → Analyze Google Analytics or log data → Focus on user paths, bounce rates, session duration → Tools: Python, SQL 7. Survey Data Insights → Clean raw survey data, visualize trends → Sentiment analysis on feedback (optional NLP) → Tools: Excel, Python, Tableau Tips: • Explain the business impact of your insights • Show your workflow: data cleaning → analysis → visualization • Host projects on GitHub or portfolio site 💬 Tap ❤️ for more!

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𝟳 𝗙𝗥𝗘𝗘 𝗖𝗲𝗿𝘁𝗶𝗳𝗶𝗰𝗮𝘁𝗶𝗼𝗻 𝗖𝗼𝘂𝗿𝘀𝗲𝘀 𝗧𝗼 𝗘𝗻𝗿𝗼𝗹𝗹 𝗜𝗻 𝟮𝟬𝟮𝟲😍 ✅ 100% FREE & Beginner-Friendly ✅ Lea
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📂 Top Projects for Data Analytics Portfolio 🚀💻 📊 1. Sales Dashboard (Excel / Power BI / Tableau) ▶️ Analyze monthly/quarterly sales by region, category ▶️ Show KPIs: Revenue, YoY Growth, Profit Margin 🛍 2. E-commerce Customer Segmentation (Python + Clustering) ▶️ Use RFM (Recency, Frequency, Monetary) model ▶️ Visualize clusters with Seaborn / Plotly 📉 3. Churn Prediction Model (Python + ML) ▶️ Dataset: Telecom or SaaS customer data ▶️ Techniques: Logistic Regression, Decision Tree 📦 4. Supply Chain Delay Analysis (SQL + Tableau) ▶️ Identify causes of late deliveries using historical order data ▶️ Visualize supplier-wise performance 📈 5. A/B Testing for Product Feature (SQL + Python) ▶️ Simulate or use real test data (e.g. button click-through rates) ▶️ Metrics: Conversion Rate, Significance Test 📍 6. COVID-19 Trend Tracker (Python + Dash) ▶️ Scrape or pull live data from APIs ▶️ Show cases, recovery, testing rates by country 📅 7. HR Analytics – Attrition Analysis (Excel / Python) ▶️ Predict or explore employee exits ▶️ Use decision trees or visual storytelling 💡 Tip: Upload projects to GitHub + create a simple portfolio site or blog to stand out. 💬 Double Tap ❤️ For More
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✅ Power BI Roadmap: Step-by-Step Guide to Master Power BI 📊💻 Whether you're aiming to be a data analyst, business intelligence pro, or dashboard expert — this roadmap has you covered 👇 📍 1. Power BI Basics ⦁  Get familiar with Power BI Desktop interface ⦁  Connect to data sources (Excel, CSV, databases) ⦁  Learn Basic visualizations: tables, charts, slicers 📍 2. Data Transformation & Modeling ⦁  Use Power Query Editor to clean & shape data ⦁  Create relationships between tables ⦁  Understand data types & formats 📍 3. DAX Fundamentals ⦁  Master calculated columns & measures ⦁  Learn core functions: SUM, CALCULATE, FILTER, RELATED ⦁  Use variables and time intelligence functions 📍 4. Advanced Visualizations ⦁  Build interactive reports and dashboards ⦁  Use bookmarks, buttons & drill-throughs ⦁  Customize visuals & layouts for storytelling 📍 5. Data Refresh & Gateway ⦁  Set up scheduled refresh with data gateways ⦁  Understand live vs import modes ⦁  Manage refresh performance 📍 6. Row-Level Security (RLS) ⦁  Learn to restrict data access by user roles ⦁  Implement roles & test security in reports 📍 7. Power BI Service & Collaboration ⦁  Publish reports to Power BI Service ⦁  Share dashboards and collaborate with teams ⦁  Use workspaces, apps, and permissions 📍 8. Power BI Mobile & Embedded ⦁  Optimize reports for mobile devices ⦁  Embed Power BI visuals in apps or websites 📍 9. Performance Optimization ⦁  Use Performance Analyzer to tune reports ⦁  Optimize data models & DAX queries ⦁  Best practices for large datasets 📍 10. Power BI API & Automation ⦁  Use Power BI REST API for automation ⦁  Integrate with Power Automate & Azure services 📍 11. Real Projects & Practice ⦁  Build sample dashboards: Sales, Marketing, Finance ⦁  Join challenges on platforms like Enterprise DNA, Radacad 📍 12. Certification & Career Growth ⦁  Prepare for DA-100 / PL-300 certification ⦁  Build portfolio & LinkedIn presence ⦁  Apply for BI Analyst & Power BI Developer roles 💡 Pro Tip: Combine Power BI skills with SQL and Python for a powerful data career combo! 💬 Double Tap ♥️ For More!
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𝗔𝗰𝗰𝗲𝗻𝘁𝘂𝗿𝗲 𝗙𝗥𝗘𝗘 𝗩𝗶𝗿𝘁𝘂𝗮𝗹 𝗜𝗻𝘁𝗲𝗿𝗻𝘀𝗵𝗶𝗽 𝗳𝗼𝗿 𝗗𝗮𝘁𝗮 𝗔𝗻𝗮𝗹𝘆𝘁𝗶𝗰𝘀 𝘄𝗶𝘁𝗵 𝗙𝗿𝗲𝗲 𝗖𝗲𝗿𝘁
𝗔𝗰𝗰𝗲𝗻𝘁𝘂𝗿𝗲 𝗙𝗥𝗘𝗘 𝗩𝗶𝗿𝘁𝘂𝗮𝗹 𝗜𝗻𝘁𝗲𝗿𝗻𝘀𝗵𝗶𝗽 𝗳𝗼𝗿 𝗗𝗮𝘁𝗮 𝗔𝗻𝗮𝗹𝘆𝘁𝗶𝗰𝘀 𝘄𝗶𝘁𝗵 𝗙𝗿𝗲𝗲 𝗖𝗲𝗿𝘁𝗶𝗳𝗶𝗰𝗮𝘁𝗲 📊 Join the Accenture Virtual Internship Program and learn industry-relevant analytics skills with a free certificate 🌍 ✨ Learn from Accenture Industry Experts ✨ Boost Your Resume & LinkedIn Profile ✨ Gain Practical Analytics Experience ✨ Improve Career Opportunities in 2026 ✨ Great for Students & Freshers 🔗 𝗘𝗻𝗿𝗼𝗹𝗹 𝗙𝗼𝗿 𝗙𝗥𝗘𝗘👇: https://pdlink.in/42TuhXg 🔥 Start your Data Analytics journey today and gain valuable virtual internship experience from a top global company.
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SQL isn't easy! It’s the powerful language that helps you manage and manipulate data in databases. To truly master SQL, focus on these key areas: 0. Understanding the Basics: Get comfortable with SQL syntax, data types, and basic queries like SELECT, INSERT, UPDATE, and DELETE. 1. Mastering Data Retrieval: Learn advanced SELECT statements, including JOINs, GROUP BY, HAVING, and subqueries to retrieve complex datasets. 2. Working with Aggregation Functions: Use functions like COUNT(), SUM(), AVG(), MIN(), and MAX() to summarize and analyze data efficiently. 3. Optimizing Queries: Understand how to write efficient queries and use techniques like indexing and query execution plans for performance optimization. 4. Creating and Managing Databases: Master CREATE, ALTER, and DROP commands for building and maintaining database structures. 5. Understanding Constraints and Keys: Learn the importance of primary keys, foreign keys, unique constraints, and indexes for data integrity. 6. Advanced SQL Techniques: Dive into CASE statements, CTEs (Common Table Expressions), window functions, and stored procedures for more powerful querying. 7. Normalizing Data: Understand database normalization principles and how to design databases to avoid redundancy and ensure consistency. 8. Handling Transactions: Learn how to use BEGIN, COMMIT, and ROLLBACK to manage transactions and ensure data integrity. 9. Staying Updated with SQL Trends: The world of databases evolves—stay informed about new SQL functions, database management systems (DBMS), and best practices. ⏳ With practice, hands-on experience, and a thirst for learning, SQL will empower you to unlock the full potential of data! You can read detailed article here I've curated essential SQL Interview Resources👇 https://t.me/mysqldata Share with credits: https://t.me/sqlspecialist Hope it helps :)
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🚀 𝗧𝗼𝗽 𝗠𝗶𝗰𝗿𝗼𝘀𝗼𝗳𝘁 𝗖𝗲𝗿𝘁𝗶𝗳𝗶𝗰𝗮𝘁𝗶𝗼𝗻𝘀 𝗬𝗼𝘂 𝗖𝗮𝗻 𝗟𝗲𝗮𝗿𝗻 𝗳𝗼𝗿 𝗙𝗥𝗘𝗘! 💼🔥 These free courses c
🚀 𝗧𝗼𝗽 𝗠𝗶𝗰𝗿𝗼𝘀𝗼𝗳𝘁 𝗖𝗲𝗿𝘁𝗶𝗳𝗶𝗰𝗮𝘁𝗶𝗼𝗻𝘀 𝗬𝗼𝘂 𝗖𝗮𝗻 𝗟𝗲𝗮𝗿𝗻 𝗳𝗼𝗿 𝗙𝗥𝗘𝗘! 💼🔥 These free courses can help you build in-demand tech skills for 2026 👇 ✅ Microsoft Azure Fundamentals ☁️ ✅ Power BI Data Analyst 📊 ✅ Data Analysis Using Excel 📈 ✅ Azure AI & Generative AI Courses 🤖 ✅ SQL & Data Engineering Learning Paths 💻 💡 Why Learn Microsoft Certifications? ✨ Industry-Recognized Credentials ✨ Hands-on Learning ✨ High Demand Skills ✨ Better Career Opportunities 🔗 𝗘𝗻𝗿𝗼𝗹𝗹 𝗙𝗼𝗿 𝗙𝗥𝗘𝗘👇: https://pdlink.in/4nLVyVc 🔥 Start learning today and future-proof your career with Microsoft-certified skills.
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Data Analytics Interview Topics in structured way : 🔵Python: Data Structures: Lists, tuples, dictionaries, sets Pandas: Data manipulation (DataFrame operations, merging, reshaping) NumPy: Numeric computing, arrays Visualization: Matplotlib, Seaborn for creating charts 🔵SQL: Basic : SELECT, WHERE, JOIN, GROUP BY, ORDER BY Advanced : Subqueries, nested queries, window functions DBMS: Creating tables, altering schema, indexing Joins: Inner join, outer join, left/right join Data Manipulation: UPDATE, DELETE, INSERT statements Aggregate Functions: SUM, AVG, COUNT, MAX, MIN 🔵Excel: Formulas & Functions: VLOOKUP, HLOOKUP, IF, SUMIF, COUNTIF Data Cleaning: Removing duplicates, handling errors, text-to-columns PivotTables Charts and Graphs What-If Analysis: Scenario Manager, Goal Seek, Solver 🔵Power BI: Data Modeling: Creating relationships between datasets Transformation: Cleaning & shaping data using Power Query Editor Visualization: Creating interactive reports and dashboards DAX (Data Analysis Expressions): Formulas for calculated columns, measures Publishing and sharing reports, scheduling data refresh 🔵 Statistics Fundamentals: Mean, median, mode Variance, standard deviation Probability distributions Hypothesis testing, p-values, confidence intervals 🔵Data Manipulation and Cleaning: Data preprocessing techniques (handling missing values, outliers), Data normalization and standardization Data transformation Handling categorical data 🔵Data Visualization: Chart types (bar, line, scatter, histogram, boxplot) Data visualization libraries (matplotlib, seaborn, ggplot) Effective data storytelling through visualization Also showcase these skills using data portfolio if possible Like for more content like this 😍
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𝗗𝗮𝘁𝗮 𝗦𝗰𝗶𝗲𝗻𝗰𝗲 𝘄𝗶𝘁𝗵 𝗔𝗜 𝗖𝗲𝗿𝘁𝗶𝗳𝗶𝗰𝗮𝘁𝗶𝗼𝗻 𝗖𝗼𝘂𝗿𝘀𝗲 | 𝟭𝟬𝟬% 𝗝𝗼𝗯 𝗔𝘀𝘀𝗶𝘀𝘁𝗮𝗻𝗰𝗲😍 ✅ Build
𝗗𝗮𝘁𝗮 𝗦𝗰𝗶𝗲𝗻𝗰𝗲 𝘄𝗶𝘁𝗵 𝗔𝗜 𝗖𝗲𝗿𝘁𝗶𝗳𝗶𝗰𝗮𝘁𝗶𝗼𝗻 𝗖𝗼𝘂𝗿𝘀𝗲 | 𝟭𝟬𝟬% 𝗝𝗼𝗯 𝗔𝘀𝘀𝗶𝘀𝘁𝗮𝗻𝗰𝗲😍 ✅ Build Python, Machine Learning & AI Skills ✅ 60+ Hiring Drives Every Month ✅ 1-on-1 Expert Mentorship ✅ 500+ Partner Companies ✅ Highest Salary: ₹12.65 LPA 𝗕𝗼𝗼𝗸 𝗮 𝗙𝗥𝗘𝗘 𝗦𝗲𝘀𝘀𝗶𝗼𝗻 :- 👇:-   https://pdlink.in/4fdWxJB Hurry Up 🏃‍♂️! Limited seats are available.
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Step-by-step Guide to Create a Data Analyst Portfolio: ✅ 1️⃣ Choose Your Tools & Skills Decide what tools you want to showcase: • Excel, SQL, Python (Pandas, NumPy) • Data visualization (Tableau, Power BI, Matplotlib, Seaborn) • Basic statistics and data cleaning ✅ 2️⃣ Plan Your Portfolio Structure Your portfolio should include: • Home Page – Brief intro about you • About Me – Skills, tools, background • Projects – Showcased with explanations and code • Contact – Email, LinkedIn, GitHub • Optional: Blog or case studies ✅ 3️⃣ Build Your Portfolio Website or Use Platforms Options: • Build your own website with HTML/CSS or React • Use GitHub Pages, Tableau Public, or LinkedIn articles • Make sure it’s easy to navigate and mobile-friendly ✅ 4️⃣ Add 3–5 Detailed Projects Projects should cover: • Data cleaning and preprocessing • Exploratory Data Analysis (EDA) • Data visualization dashboards or reports • SQL queries or Python scripts for analysis Each project should include: • Problem statement • Dataset source • Tools & techniques used • Key findings & visualizations • Link to code (GitHub) or live dashboard ✅ 5️⃣ Publish & Share Your Portfolio Host your portfolio on: • GitHub Pages • Tableau Public • Personal website or blog ✅ 6️⃣ Keep It Updated • Add new projects regularly • Improve old ones based on feedback • Share insights on LinkedIn or data blogs 💡 Pro Tips • Focus on storytelling with data — explain what the numbers mean • Use clear visuals and dashboards • Highlight business impact or insights from your work • Include a downloadable resume and links to your profiles 🎯 Goal: Anyone visiting your portfolio should quickly understand your data skills, see your problem-solving ability, and know how to reach you. 👍 Tap ❤️ if you found this helpful!
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🧠 SQL Interview Question (Top-N per Group + Tie Handling - Tricky) 📌 scores(student_id, subject, marks) ❓ Ques : 👉 Find students who scored the highest marks in each subject. 👉 If multiple students have the same top score, include all of them (handle ties). 🧩 How Interviewers Expect You to Think • Group data by subject 📚 • Identify highest marks within each group • Handle ties correctly (don’t lose rows) • Use window functions (RANK vs ROW_NUMBER) 💡 SQL Solution SELECT student_id, subject, marks FROM ( SELECT scores.student_id, scores.subject, scores.marks, RANK() OVER ( PARTITION BY scores.subject ORDER BY scores.marks DESC ) AS rnk FROM scores ) ranked_scores WHERE ranked_scores.rnk = 1; 🔥 Why This Question Is Powerful • Tests Top-N per group (very common pattern) 🧠 • Checks understanding of RANK vs ROW_NUMBER ❤️ React if you want more real interview-level SQL questions 🚀
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✅ SQL Checklist for Data Analysts 🧠💻 📚 1. Understand SQL Basics ☑ What is SQL and how databases work ☑ Relational vs non-relational databases ☑ Table structure: rows, columns, keys 🧩 2. Core SQL Queries ☑ SELECT, FROM, WHERE ☑ ORDER BY, LIMIT ☑ DISTINCT, BETWEEN, IN, LIKE 🔗 3. Master Joins ☑ INNER JOIN ☑ LEFT JOIN / RIGHT JOIN ☑ FULL OUTER JOIN ☑ Practice combining data from multiple tables 📊 4. Aggregation & Grouping ☑ COUNT, SUM, AVG, MIN, MAX ☑ GROUP BY & HAVING ☑ Aggregate filtering 📈 5. Subqueries & CTEs ☑ Use subqueries inside SELECT/WHERE ☑ WITH clause for common table expressions ☑ Nested queries and optimization basics 🧮 6. Window Functions ☑ RANK(), ROW_NUMBER(), DENSE_RANK() ☑ PARTITION BY & ORDER BY ☑ LEAD(), LAG(), SUM() OVER 🧹 7. Data Cleaning with SQL ☑ Remove duplicates (DISTINCT, ROW_NUMBER) ☑ Handle NULLs ☑ Use CASE WHEN for conditional logic 🛠️ 8. Practice & Real Tasks ☑ Write queries from real datasets ☑ Analyze sales, customers, transactions ☑ Build reports with JOINs and aggregations 📁 9. Tools to Use ☑ PostgreSQL / MySQL / SQL Server ☑ db-fiddle, Mode Analytics, DataCamp, StrataScratch ☑ VS Code + SQL extensions 🚀 10. Interview Prep ☑ Practice 50+ SQL questions ☑ Solve problems on LeetCode, HackerRank ☑ Explain query logic clearly in mock interviews 💬 Tap ❤️ if this was helpful!
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🎓𝟱 𝗙𝗥𝗘𝗘 𝗜𝗕𝗠 𝗖𝗲𝗿𝘁𝗶𝗳𝗶𝗰𝗮𝘁𝗶𝗼𝗻 𝗖𝗼𝘂𝗿𝘀𝗲𝘀 𝟮𝟬𝟮𝟲 🚀 IBM SkillsBuild offers FREE online courses, digita
🎓𝟱 𝗙𝗥𝗘𝗘 𝗜𝗕𝗠 𝗖𝗲𝗿𝘁𝗶𝗳𝗶𝗰𝗮𝘁𝗶𝗼𝗻 𝗖𝗼𝘂𝗿𝘀𝗲𝘀 𝟮𝟬𝟮𝟲 🚀 IBM SkillsBuild offers FREE online courses, digital credentials, and career-focused learning paths to help students and professionals become job-ready. 🌟 ✔️ 100% Free Learning Resources ✔️ Industry-Recognized Digital Badges ✔️ Self-Paced Learning ✔️ Hands-On Projects & Assessments ✔️ Resume & LinkedIn Profile Enhancement 🔗 𝗘𝗻𝗿𝗼𝗹𝗹 𝗙𝗼𝗿 𝗙𝗥𝗘𝗘👇: https://pdlink.in/4vPMTDO ⏳ Start Learning Today & Boost Your Career!
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𝗜𝗻𝘁𝗲𝗿𝘃𝗶𝗲𝘄𝗲𝗿: You have 2 minutes to solve this SQL query. List employees who earn more than their department manager's salary from the employees table (manager_id references employee id). 𝗠𝗲: Challenge accepted! SELECT e1.name, e1.department, e1.salary FROM employees e1 JOIN employees e2 ON e1.department = e2.department AND e1.manager_id = e2.id WHERE e1.salary > e2.salary; I self-joined the employees table on department and manager_id to compare each employee's salary against their manager's in the same department. The WHERE clause filters for employees earning more. This tests join mastery for hierarchical data, common in org charts. 𝗧𝗶𝗽 𝗳𝗼𝗿 𝗦𝗤𝗟 𝗝𝗼𝗯 𝗦𝗲𝗲𝗸𝗲𝗿𝘀: Self-joins shine for intra-table relationships like managers/employees or siblings—practice with employee hierarchies to impress in data engineering interviews! React with ❤️ for more
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✅ Complete SQL Roadmap in 2 Months Month 1: Strong SQL Foundations Week 1: Database and query basics - What SQL does in analytics and business - Tables, rows, columns - Primary key and foreign key - SELECT, DISTINCT - WHERE with AND, OR, IN, BETWEEN Outcome: You understand data structure and fetch filtered data. Week 2: Sorting and aggregation - ORDER BY and LIMIT - COUNT, SUM, AVG, MIN, MAX - GROUP BY - HAVING vs WHERE - Use case like total sales per product Outcome: You summarize data clearly. Week 3: Joins fundamentals - INNER JOIN - LEFT JOIN - RIGHT JOIN - Join conditions - Handling NULL values Outcome: You combine multiple tables correctly. Week 4: Joins practice and cleanup - Duplicate rows after joins - SELF JOIN with examples - Data cleaning using SQL - Daily join-based questions Outcome: You stop making join mistakes. Month 2: Analytics-Level SQL Week 5: Subqueries and CTEs - Subqueries in WHERE and SELECT - Correlated subqueries - Common Table Expressions - Readability and reuse Outcome: You write structured queries. Week 6: Window functions - ROW_NUMBER, RANK, DENSE_RANK - PARTITION BY and ORDER BY - Running totals - Top N per category problems Outcome: You solve advanced analytics queries. Week 7: Date and string analysis - Date functions for daily, monthly analysis - Year-over-year and month-over-month logic - String functions for text cleanup Outcome: You handle real business datasets. Week 8: Project and interview prep - Build a SQL project using sales or HR data - Write KPI queries - Explain query logic step by step - Daily interview questions practice Outcome: You are SQL interview ready. Practice platforms - LeetCode SQL - HackerRank SQL - Kaggle datasets Double Tap ♥️ For Detailed Explanation of Each Topic
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🖥 SQL Commands - essentials
🖥 SQL Commands - essentials
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