Database Transactions Explained: PHP and Laravel Guide
Ever had a user sign up but only half their data made it to the database? That partial write bug is one of the most common -- and most frustrating -- problems in web applications. Database transactions fix it by making your multi-step changes all-or-nothing, and they are easier to use than you think.
*What you'll learn:*
What database transactions are and how they protect your data
The ACID properties explained in plain language (Atomicity, Consistency, Isolation, Durability)
How partial writes create bugs and inconsistent data in your application
How to write transactions in raw SQL with START TRANSACTION, COMMIT, and ROLLBACK
How to use Laravel's DB::transaction() for automatic commit and rollback
Common transaction gotchas that trip up even experienced developers
*Chapters:*
[00:00] The partial write problem
[01:05] What is a Transaction (ACID properties)
[02:31] Why Transactions Matter (the bug without transactions)
[03:46] Raw SQL Transactions
[04:17] Transactions in Laravel with Eloquent
[04:57] Gotchas to Watch Out For
[06:11] What You Need To Know
[06:39] Outro
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