#SQLPractice

Some websites to practice SQL SQLTEST : SQLBOLT : SQLZOO : SQLIZE : SQLCOURSE : #sql #sqlpractice #sqlquery

Day 4 of SQL Practice Question: Customers Who Never Order Solved using: LEFT JOIN + IS NULL Key takeaway: Always use IS / IS NOT with NULL, = doesn’t work with NULL values in SQL. #SQLPractice #LeetCode #LearningInPublic #Day4

18 SQL Practice Questions for Beginners In this guide, we cover everything from filtering data to joining tables and aggregating data. Start your SQL journey here ➡️ #SQL #SQLpractice #LearnSQL

⚡️Just me, MySQL Workbench, and a challenge of 50+ SQL questions. Diving deep into subqueries, joins, and schema design. #SQLPractice #MySQL #BuildInPublic #100xDevs #SQLQueries #DatabaseDesign #WebDev #BackendDevelopment #LearningToCode #CodeNewbie #DevJourney #LearnSQL #MySQL

SQL Practice: Question: Employee Bonus (Easy) Solved using LEFT JOIN Practicing one query at a time. #Consistency #SQLPractice #LearningInPublic

📊 SQL grind today: Tables ✔️ Data ✔️ Keys ✔️ Queries ✔️ #SQL #SQLQueries #SQLPractice #LearnSQL #MySQL #PostgreSQL #SQLDeveloper #Database #DatabaseDesign #QueryLanguage #SQLTips

Hey all! Been offline for a bit, but I’ve kept practicing SQL! It’s tough at first, but with steady effort, I’m still crushing it. 💪 #DataAnalytics #Data #SQLPractice #LearningJourney

Day 5 of SQL Practice Question: Delete Duplicate Emails Solved using: DELETE + Subquery 📌Learnings: • How to remove duplicates safely • Revised DELETE vs DROP vs TRUNCATE #SQLPractice #LeetCode #LearningInPublic #Day5

Day 2 of SQL Practice Question: Employees Earning More Than Their Managers Solved using a SELF JOIN (cross product + condition) #SQLPractice #Leetcode #Day2

Day 1 of practicing SQL Question: Combine Two Tables Solved using LEFT JOIN Key takeaway: In PostgreSQL we have "FULL OUTER JOIN", while in SQL we use "UNION" to achieve the same result. #LeetCode #SQLPractice #LearningInPublic

Took on “The Blunder” on @hackerrank ... Let’s just say the problem name was accurate 😂 But it helped me learn the REPLACE() function — Small mistake, solid lesson 🙌 #SQLPractice #BuildInPublic #HackerRank #TechTwitter

Day 3: My Data Analyst Journey 🧵 Topics Covered: SQL •Used GROUP BY and HAVING to group data •Applied COUNT(), SUM(), AVG() for insights •Practiced BETWEEN, IN, LIKE filters •Analyzed sales by region & product type #DataAnalytics #TechCareer #SQLPractice

18 SQL Practice Questions for Beginners In this guide, we cover everything from filtering data to joining tables and aggregating data. Start your SQL journey here ➡️ #SQL #SQLpractice #LearnSQL

Week 1 of the SQL Mentorship class at #LearnWithWIDA done! We explored SQL-driven insights for WIDA Supermarket—analyzing sales, customer behavior, and product performance. Scored 23/25 in the exam! Grateful for growth, ready for more. #SQLPractice @ibn_wittig @LearnwithWiDa

🚀 Day 2 of learning #OracleSQL with SQL*Plus 📌 Practiced inserting NULLs, creating tables, & using Primary Keys 💻 Single table queries on EMP table Loving the progress! 🔥 #Day2 #SQLPractice #100DaysOfCode #BCAStudent #LearnSQL #SQLQueries #DatabaseSkills #TechJourney

Day 3 of SQL practice Solved: Duplicate Emails Learned that with GROUP BY, we must use HAVING for conditions. (Using WHERE earlier caused errors 😅) #Leetcode #SQLPractice #LearningInPublic #Day3

🚀 Day 4/30 of my #SQLPractice journey! ✅ Solved: 🏅 Rank Scores: Mastered the RANK() function 🗑️ Delete Duplicate Emails: Keeping data clean and unique 💰 Total Sales by Product: Aggregating like a pro Excited to keep leveling up! 💻💡 #100DaysOfCode #SQL @LeetCode

Today's class was all about leveling up our SQL skills with some hands-on exercises. 🛠️ Plus, we had an insightful discussion on the amazing possibilities with ChatGPT! 🤖 #SQLPractice #TechEducation #ChatGPT

A standout data analyst portfolio can make all the difference. It's not just about possessing the skills, but the ability to showcase them. Ready to build a portfolio that opens doors? Let’s get started ➡️ #SQL #SQLpractice #LearnSQL

Day 6 of SQL Practice Question: Rising Temperature Solved using: SELF JOIN + DATEDIFF() - Good reminder that sometimes the table itself is the best reference. #SQLPractice #LeetCode #LearningInPublic #Day6