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These 10 SQL projects can secure you job opportunities if you build a strong portfolio with them:

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95% of data analyst interviews repeat the same SQL questions. Most candidates overprepare. Smart candidates prepare patterns. Here’s the shortcut: 50 essential SQL questions you can master in just 7 days:

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SQL Mistakes Beginners Should Avoid 👇: 1️⃣ Using SELECT * • Pulls unused columns • Slows queries • Breaks when schema changes • Use only required columns 2️⃣ Ignoring NULL Values • NULL breaks calculations • COUNT(column) skips NULL • Use COALESCE or IS NULL checks 3️⃣

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✅ Top 50 Data Science Interview Questions 📊🧠 1. What is data science? 2. Difference between data science, data analytics, and machine learning 3. What is the data science lifecycle? 4. Explain structured vs unstructured data 5. What is data wrangling or data

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