#learnsql — Public Fediverse posts

Mastering SQL Joins is essential for every data professional.
• Inner Join: Matching rows only
• Left/Right Inclusive: Keep all rows from one side
• Left/Right Exclusive: Keep non-matching rows
• Outer Inclusive: Combine all data
• Full Outer Exclusive: Return only non-matching rows

These joins turn raw tables into meaningful insights.

📕 https://ebokify.com/sql

📕 https://ebokify.com/ai-data-science

#SQL #DataAnalytics #Database #DataEngineering #BusinessIntelligence #LearnSQL #DataScience

If you want to practice SQL seriously, use platforms that test logic and real scenarios. Explore SQLZoo, LeetCode, HackerRank, StrataScratch, Kaggle, and more to sharpen query writing and interview skills. Consistent practice builds confidence.

📕 https://ebokify.com/sql

📕 https://ebokify.com/ai-data-science

#SQL #DataAnalytics #LearnSQL #DataCareers

Writing SQL queries is easy — but understanding their execution order is what separates good analysts from great ones.

SQL doesn’t run top to bottom; it follows a logical order — FROM → JOIN → WHERE → GROUP BY → HAVING → SELECT → ORDER BY → LIMIT.

Master this flow to debug, optimize, and write smarter queries.

📕 ebokify.com/data-analysis

#SQL #DataAnalytics #Database #DataEngineering #LearnSQL #BusinessIntelligence #Analytics #SQLTips

SQL commands are the backbone of every data operation.

From defining tables with DDL to managing data with DML and controlling access with DCL — each command group serves a specific purpose.

Master these 5 types to handle databases with precision and confidence.

📕 https://ebokify.com/data-analysis

#SQL #Database #DataAnalytics #DataScience #BusinessIntelligence #SQLCommands #DataEngineering #LearnSQL #Analytics

Today's Poll... 👇

What does NULL mean in SQL?

#SQL #DatabaseTips #LearnSQL #DataScience #CodingBasics #NullInSQL #TechTips #ProgrammingFacts #SQLForBeginners #DataManagement

Today's Poll.. 👇
Which SQL keyword is used to remove duplicate records?
#SQL #DataScience #TechTrivia #LearnSQL #ProgrammingPoll #TuxAcademy #DatabaseTips

Today's Poll.. 👇
Which SQL keyword is used to remove duplicate records?
#SQL #DataScience #TechTrivia #LearnSQL #ProgrammingPoll #TuxAcademy #DatabaseTips

Today's Poll.. 👇
Which SQL keyword is used to remove duplicate records?
#SQL #DataScience #TechTrivia #LearnSQL #ProgrammingPoll #TuxAcademy #DatabaseTips

Today's Poll.. 👇
Which SQL keyword is used to remove duplicate records?
#SQL #DataScience #TechTrivia #LearnSQL #ProgrammingPoll #TuxAcademy #DatabaseTips

Today's Poll.. 👇
Which SQL keyword is used to remove duplicate records?
#SQL #DataScience #TechTrivia #LearnSQL #ProgrammingPoll #TuxAcademy #DatabaseTips

Today's Poll... 👇

What is a DML statement in SQL?

#SQL #Database #TechQuiz #LearnSQL #TuxAcademy #DataScience #ProgrammingBasics #CareerInTech

🐘 Introducing: Prairie Postgres, a 501(c)(3) nonprofit organization chartered in Illinois, the Prairie State, serving the Midwestern United States!

We are devoted to training, professional development, and networking opportunities for technical practitioners and researchers.

For more information, check out our website: https://prairiepostgres.org

#tech #dev #learnprogramming #sql #learnsql #studentdev #juniordev #developer #learntech #codingnewbie #data #opensource #oss #foss #database

🐘 Introducing: Prairie Postgres, a 501(c)(3) nonprofit organization chartered in Illinois, the Prairie State, serving the Midwestern United States!

We are devoted to training, professional development, and networking opportunities for technical practitioners and researchers.

For more information, check out our website: https://prairiepostgres.org

#tech #dev #learnprogramming #sql #learnsql #studentdev #juniordev #developer #learntech #codingnewbie #data #opensource #oss #foss #database

🐘 Introducing: Prairie Postgres, a 501(c)(3) nonprofit organization chartered in Illinois, the Prairie State, serving the Midwestern United States!

We are devoted to training, professional development, and networking opportunities for technical practitioners and researchers.

For more information, check out our website: https://prairiepostgres.org

#tech #dev #learnprogramming #sql #learnsql #studentdev #juniordev #developer #learntech #codingnewbie #data #opensource #oss #foss #database

🐘 Introducing: Prairie Postgres, a 501(c)(3) nonprofit organization chartered in Illinois, the Prairie State, serving the Midwestern United States!

We are devoted to training, professional development, and networking opportunities for technical practitioners and researchers.

For more information, check out our website: https://prairiepostgres.org

#tech #dev #learnprogramming #sql #learnsql #studentdev #juniordev #developer #learntech #codingnewbie #data #opensource #oss #foss #database

Are you a #tech enthusiast or #developer living in #Paris? Consider registering for pgDay Paris at the Espace Saint-Martin on March 20th, 2025 and learn about #PostgreSQL, the most well liked and desired #database.

https://2025.pgday.paris/

Come by and visit our booth, or see Frédéric Delacourt's talk "Waiting for PostgreSQL 18" to learn about new and upcoming features in #Postgres.

https://www.postgresql.eu/events/pgdayparis2025/schedule/

#sql #learnsql #dev #logiciellibre #foss #oss #opensource #developpeur #developpeuse