I forgot the WHERE clause on my first UPDATE while practising and changed every row in my test table. Lesson: write the SELECT with the same WHERE first, check the rows, then run the UPDATE. What’s your beginner SQL mistake?
Database
My first SQL lesson learned the hard way
dev.to Database0 views
Source:https://dev.to/dewton_97927134e207/my-first-sql-lesson-learned-the-hard-way-1di3
Previous10 Lines to Give Your Coding Agent Before It Touches Your RepoNextBuilding a headless ERP: one codebase, a database per client
Related posts
Your AI promised 1,204 refunds in '3-5 business days.' 741 of them were never filed.
0dev.to AI
Setting Up LVM Storage for Orthanc PACS & MySQL: Combining Remaining OS Disk Space with Dedicated Storage
0dev.to DevOps

TermSSH: SSH, Files, Monitoring, and Databases in One Browser Workspace
0dev.to DevOps
Spring Boot in a 512 MB container: JVM flags, a layered image, and honest start-up numbers
0dev.to Docker
The two-account test: one check to run on your Supabase app before launch
0dev.to

Three-Way Invoice Matching: Automating AP in Custom ERP
0dev.to