SQL.
SQL Wildcards: A Guide to Pattern Matching in Queries
SQL wildcards — % and _ (and SQL Server's [ ]) — power pattern matching with LIKE. Run every example live and learn exactly what each wildcard matches.
UNION vs UNION ALL in SQL: What's the Difference?
UNION removes duplicate rows; UNION ALL keeps them (and is faster). Run both live in your browser, see the row counts diverge, and learn when each is correct.
Database Normalization: 1NF, 2NF, and 3NF Explained Visually
Step a messy orders table through 1NF, 2NF, and 3NF and watch the duplication disappear. What each normal form actually requires — and when to denormalize on purpose.
Understanding SQL Join Types: Unlocking the Power of Data Integration
INNER, LEFT, RIGHT, and FULL joins, explained by the rows they keep. Run each one live in your browser on related tables and watch the row counts change.
Collaboration Across the Company: Driving Reliability, Performance, Scalability, and Observability in Your Database System
Partnering with teams across the company to drive reliability, performance, scalability, and observability of the database system is essential for...
Streamlining Your Database Management: Best Practices for Design, Improvement, and Automation
Designing, improving, and automating processes like database provision, schema migration, and capacity planning can be a challenging task, but with the...
How to Create a Schema in your MySQL Workbench on Mac OS
Let's create a Schema in your MySQL Workbench on Mac OS. Welcome to a quick and user-friendly guide to generating your first schema in MySQL. By the...
A Quick Tutorial - Resetting MySQL Root Password on Mac OS
Lost your MySQL root password on your Mac? Don't panic! It happens more often than you think. We are here to help. Fortunately, the process for resetting...
Install My SQL Mac - The Guide on How To Install Mysql on Mac
Install MySQL Mac the easy way using our (https://dev3lop.com/tldr-tech-tutorials/) - walkthrough (install-mysql-mac). Thanks stopping by to read about...
Learn how to Start MySQL on Mac OSX
Every way to start (and stop) MySQL on a Mac — the System Settings pane, brew services, mysql.server, and launchctl — plus how to verify it's actually running and fix the usual startup failures.