#thesqlquerycoach hasil pencarian
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=…
LEFT JOIN is the most used JOIN in analytics. It preserves your main dataset. #SQLJoins #DataAnalysis #TheSQLQueryCoach youtube.com/playlist?list=…
This is a classic use case for GROUP BY + HAVING. Group by Score and filter scores that appear more than once, then join back (or use a subquery) to return the student names. Simple question, but it tests real understanding of duplicates and aggregation. im #theSQLQueryCoach
Normalize your data, but not too much. Balance matters. Good databases are practical, not perfect. #DatabaseDesign #SQLArchitecture #TheSQLQueryCoach youtube.com/playlist?list=…
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=…
Always write readable SQL. Future-you will thank past-you. Indent. Space. Comment. #CleanCode #SQLBestPractices #TheSQLQueryCoach youtube.com/playlist?list=…
SQL is the gateway to Data Science. If you can extract clean data, models become easier. #DataScienceJourney #SQLPower #TheSQLQueryCoach youtube.com/playlist?list=…
Indexes are like the table of contents of a book. They help SQL find data faster. Use them wisely. #DatabaseDesign #SQLPerformance #TheSQLQueryCoach youtube.com/playlist?list=…
Mastering SQL JOINs is one of the most important steps in becoming confident with relational databases. In this video, we break down INNER JOIN, LEFT JOIN, and RIGHT JOIN using clear examples from a School Database. youtu.be/JAAKf_k2bio #TheSQLQueryCoach #sql #DataScience
youtube.com
YouTube
Joining Tables in SQL Explained: INNER, LEFT & RIGHT JOIN (Simple...
Something went wrong.
Something went wrong.
United States Trends
- 1. #SantaChat 5,271 posts
- 2. Jack Smith 60.3K posts
- 3. Luke Weaver 2,553 posts
- 4. Ewers 10.7K posts
- 5. FINALLY DID IT 598K posts
- 6. The Oscars 27.5K posts
- 7. The JUP 153K posts
- 8. #ScalingNow_NXXT N/A
- 9. Gemini 3 Flash 9,659 posts
- 10. NextNRG Inc 1,246 posts
- 11. Mariah 55.8K posts
- 12. Fani Willis 14.1K posts
- 13. Brad Keller 1,578 posts
- 14. Judon 1,781 posts
- 15. Jimmy Stewart 2,230 posts
- 16. Clay Holmes N/A
- 17. Brian Smith N/A
- 18. Algorhythm Holdings N/A
- 19. 4 Republicans 3,334 posts
- 20. #jonita 17K posts