What Happens When Your Database Does Half the Job

How I used MySQL transactions to keep a WordPress plugin's data consistent under pressure.

Key Takeaways

MySQL transactions ensure that multi-step database operations either fully succeed or fully roll back — critical for WordPress plugin data integrity.
A failed mid-operation state (e.g., subscription created but inventory not decremented) can corrupt plugin data silently and is hard to detect.
Using START TRANSACTION, COMMIT, and ROLLBACK in WordPress plugin code prevents silent partial writes from reaching production.
The article demonstrates a real failure mode in a production plugin and the exact transaction pattern that resolved it.

Read the full article for the complete walkthrough, code samples, and implementation details.