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... SQL I think there should be a comeback of SQL as a main development tool for small applications for especially for applications ...

This video is a beginner-friendly SQL tutorial that shows you how to create and update a database table step-by-step. Follow ...

Click here to learn SQL for FREE: ...

SQL is NOT about memorizing queries • 80% interviews = basic SQL • Joins greater than Subqueries • Logic greater than Syntax ...

Very few know what question to ask. Two people can write the same query. Only one understands what the result means.

Here's the real reason 1️⃣ Knowing syntax is not enough Most people memorize: • Joins • Group By • Window functions But ...

These SQL mistakes can reject you in seconds Content: 1. Using SELECT * in interviews 2. Not handling NULL properly 3. Writing ...

WHY INTERVIEWERS LOVE WINDOW FUNCTIONS Because they test: • SQL thinking • Data understanding • Real-world analysis ...

PART 1 — UNDERSTAND WHAT INTERVIEWS ACTUALLY TEST Most people prepare SQL the wrong way. They try to memorize ...

Why is your JOIN slow even with index?” Content: • High cardinality = many unique values • Low cardinality = few unique ...

Thinking about getting in to data analytics? Here is a list of salaries across different countries in Europe #dataanalytics #salary ...

To get hired: • Use Python in projects • Explain why you used Python • Show results, not code length Good project example: “Used ...

How learners think • “What should I learn next?” • “Which course is best?” • “Which tool is trending?” How professionals think ...

Data Science is not about writing SQL. It is about answering questions and converting data into actionable insights. However ...

Learning Excel, SQL, Power BI but still not getting interview calls? In this video, I explain why most people fail to get a Data ...

Actual Execution Order: 1. FROM 2. JOIN 3. WHERE 4. GROUP BY 5. HAVING 6. SELECT 7. ORDER BY 8. LIMIT Why Important?

PART 4 — INTERVIEW MINDSET & FINAL POLISH In interviews: • It's okay to pause • It's okay to ask clarifying questions • It's ...