Berichten met #sqlInterview

#sqlInterview

Openbare berichten op X die #sqlInterview gebruiken.

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  1. JD Learns👩‍💻✓@learn_with_jd
    Quick SQL interview question: What is the difference between WHERE and HAVING? A) They are identical B) WHERE filters rows; HAVING filters groups C) HAVING is always faster D) WHERE works only with joins Bonus: Can HAVING be used without GROUP BY? #SQLInterview #DataEngineering
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  2. 0b1d1@_0b1d1
    💫 Prepare smarter not harder for your next SQL interview. Don’t wait until the interviewer asks,“Can you optimize this query?” and your mind goes blank. 😅 You’re covered. 🚀 Introducing the Ultimate SQL Interview E-Book
    Downloaden
    337545K
  3. G • Ng'eno™🐧@gngeno254
    🚀 Boost your SQL prowess! Interviews are tough, but 'Grokking the SQL Interview' by @javinpaul makes them manageable. Practice with real questions, save with friends30. #SQL #SQLInterview
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  4. LearnSQL.com@LearnSQLcom
    Preparing for an SQL interview? 🧐 This Cheat Sheet covers all the essentials, from SELECT & JOINs to aggregation, subqueries, and key functions. Perfect for a quick review before the big day! Check it out 👉 #sql #sqlinterview #databasetips #techjobs
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  5. JD Learns👩‍💻✓@learn_with_jd
    This SQL query looks correct—but it may return ZERO rows 😵 SELECT * FROM employees WHERE department_id NOT IN ( SELECT department_id FROM departments ); When can this happen? Hint: One small value can break the logic. #SQL #SQLInterview #DataEngineering
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  6. Salman@SalmanFaarsi17
    5 SQL interview questions that eliminate most candidates: 1. What is indexing? 2. Difference between clustered & nonclustered index? 3. What causes deadlocks? 4. Full vs Differential backup? 5. How does SQL failover work? Simple concepts. Huge impact. 🚀 #DBA #SQLInterview
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  7. Fimijoba Oladokun@o_fimijoba
    Amazon and Google don't just ask SQL questions in interviews. They use SQL to filter out candidates before the real conversation even starts. Here are the question types both companies test, with the queries 👇 #SQL #SQLInterview #TechInterview #trending
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  8. Leon Wei@theleonwei
    Just added a new product line for sqlpad: EBook, great for people who wants to practice SQL interview questions offline. 😃📖 Compiled all 90 SQL coding questions and solutions, and 2 articles into a 142 pages eBook 😱 #sql #learnsql #sqlinterview
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  9. MadeSimpleMSSQL@MadeSimpleMSSQL
    🚀Ready to crack your SQL Server interview? Stop guessing & start learning the real interview questions asked in top companies. 👉Visit our channel now and level up your skills! 🔥Learn. Practice. Get Hired. #sqlserver #dba #sqlinterview #techcareer
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