The SQL Query Coach
@SQLQueryCoach
SQL & Database Enthusiast 💻 | Simplifying data, one query at a time | Tutorials, tips & backend logic | #SQL #Database #Coding
👋 Hi, I’m The SQL Query Coach! I make databases simple & powerful — sharing easy SQL, database design & backend tutorials. 🎥 Watch & subscribe: youtube.com/@theSQLguy25 Let’s make data work smarter — one query at a time ⚙️💡 #SQL #Database #CodingJourney #Tech
Never trust data blindly. Always check for NULLs, duplicates, and weird values. SQL teaches you to think critically. #SQL #DataCleaning #Analytics #TheSQLQueryCoach youtube.com/playlist?list=…
Learning to code is basically signing up for a lifelong ego-check subscription.Every few months, the universe sends you a new error message that says: "Congrats, you were wrong again. Here's a 500-page documentation rabbit hole to fix it."And somehow we keep paying the…
If you wondered where I went.. I was onboarding a new client onto our POS system. Turns out real queries pay better than X threads. Back now 😄 Please Show #theSQLQuerycoach around
Your data science journey starts with “SELECT * FROM table”. Don’t underestimate the small steps. #DataScience #SQLBeginners #TechUganda #TheSQLQueryCoach youtube.com/playlist?list=…
You don’t need to master everything today. SQL is a journey — one query at a time. #Motivation #SQLLearning #TheSQLQueryCoach youtube.com/playlist?list=…
Filtering isn’t enough. Master WHERE + HAVING. One filters rows, the other filters aggregates. #SQLLogic #TechLearning #TheSQLQueryCoach youtube.com/playlist?list=…
Every organisation needs people who understand data. SQL gives you that superpower. #CareerGrowth #LearnSQL #TheSQLQueryCoach youtube.com/playlist?list=…
A hard truth in data analytics. SQL isn't about fancy queries. It's about thinking clearly. If you can't explain your SQL line by line, you don't fully understand it. And if your SQL is complex, the problem is often the data model not the analyst. Ican tell you boring SQL always…
LEFT JOIN is the most used JOIN in analytics. It preserves your main dataset. #SQLJoins #DataAnalysis #TheSQLQueryCoach youtube.com/playlist?list=…
If your query feels long, break it into CTEs. Readable > fancy. #CTE #SQLStyle #DataEngineering #TheSQLQueryCoach youtube.com/playlist?list=…
Beginner developers ask: Which language should I learn? Experienced developers ask: What problem am I solving? Most 'hate' around languages comes from using them outside their strengths. Longevity in tech isn't about hype it's about understanding fundamentals and context.
There are no 'hated' programming languages only misunderstood ones. Every language that still exists does so because it solves real problems at scale. PHP powers the web. Java runs banks. COBOL runs governments. The real skill isn't picking trendy tools it's choosing the right…
The word 'Hated is' often just shorthand for 'misused' or 'judged out of context.' Every language on this list exists because it solves real problems at scale. The issue isn’t the language it's choosing the wrong tool for the job or maintaining it poorly. Mature languages…
Normalize your data, but not too much. Balance matters. Good databases are practical, not perfect. #DatabaseDesign #SQLArchitecture #TheSQLQueryCoach youtube.com/playlist?list=…
You nailed it 🤝. With python you can do alot in data analytics.
🤣 This brings back memories! I was actually the first guy in my class to write a completely bogus HTML page everyone laughed, smiled and got interested and then spent the rest of the course looking for me whenever they got stuck. We all start somewhere, and that’s what makes the…
A solid progression, but worth remembering the best tool is the one that helps you understand the data, not just use it. Excel builds intuition, SQL builds structure, BI tools build storytelling, and Python scales everything up. The real skill is knowing when to use each not just…
COUNT(*) tells you how many rows exist. COUNT(column) tells you how many values are NOT null. Simple but important. #SQLTips #DataQuality #TheSQLQueryCoach youtube.com/playlist?list=…
A good SQL query answers a business question, not just returns rows. Think beyond code. Think value. #BusinessIntelligence #SQLThinking #TheSQLQueryCoach youtube.com/playlist?list=…
In my opinion, backend is easier to learn not because it's ‘easy’, but because it’s more consistent. Frontend changes every month, new frameworks, new build tools, new styling approaches, browser quirks, responsive issues, accessibility rules, component patterns, UX expectations…
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