Curso SQL en Oracle 🚀 #25 | Ejercicios de consultas SQL básicas

In this video from the SQL in Oracle course, we'll solve basic SQL query exercises step by step. 📚 We'll cover: How to use SELECT * Filters with WHERE Using IS NULL and IS NOT NULL Sorting results with ORDER BY Queries with dates Functions like UPPER and TO_CHAR Calculating differences between dates 💻 Real-world practical exercises explained from scratch. 👉 Ideal for practicing Oracle SQL and improving your query skills. GitHub repository with everything you need: https://github.com/DiscoDurodeRoer/cu... ✅ Exercise instructions: 1. Display all participant information 2. Players with a 'High' skill level 3. Code and name of countries without a representative 4. Code, name, and number of clubs for countries with more than 90 clubs, ordered by number of clubs in descending order 5. Accommodations that took place in 2025, including both arrival and departure dates. ACCOMMODATION_CODE | START_DATE | END_DATE 6. Accommodations that lasted more than one week. ACCOMMODATION_CODE | START_DATE | END_DATE | DIFFERENCE_DAYS ✅ Chapters: 00:00 Introduction 00:14 Exercise 1 01:10 Exercise 2 03:45 Exercise 3 05:25 Exercise 4 07:31 Exercise 5 12:17 Exercise 6 ✅ Subscribe to the Channel to See More Videos: https://www.youtube.com/@DiscoDurodeR... ✅ Important Links: 👉 Need a quality server? Webempresa offers it to you: https://www.webempresa.com/ 👉 Website: https://discoduroderoer.es/ 👉 Become our Patron!: https://www.patreon.com/profile/creat... 👉 Discount on my Udemy courses: https://cupones.discoduroderoer.es/#/... 👉 Follow my upcoming events: https://eventos.discoduroderoer.es/ 👉 Want to follow our work? Visit our GitHub: https://github.com/DiscoDurodeRoer ✅ Connect with me: 👉 YouTube (Secondary Channel): https://www.youtube.com/@ctrl_alt_mee... 👉 Twitch:   / discoduroderoer_prog   👉 Facebook: https://www.facebook.com/profile.php?... 👉 TikTok:   / discoduroderoer   👉 Twitter: https://x.com/DiscoDurodeRoer 👉 Discord:   / discord   📩 For business inquiries: [email protected] ============================== ✅ Other videos you might be interested in: 👉    • Curso Consultas SQL en Oracle 🚀 #12 | GROU...   👉    • Curso Consultas SQL en Oracle 🚀 #11 | Func...   👉    • Curso Consultas SQL en Oracle 🚀 #10 | Cons...   👉    • Curso Consultas SQL en Oracle 🚀 #9 | NVL, ...   ============================= #sql #oracle #sqlcourse #sqltutorial #databases #SQLExercises #oraclesql #SQLQueries #learnsql #sqlfromscratch #programming #backenddevelopment #database #developer #IT SQL Course in Oracle 🚀 #25 | Basic SQL Query Exercises