Database transactions in Laravel can be tricky when it comes to error handling. A transaction is a sequence of operations that must be executed as one single, indivisible unit. If any part fails, the entire thing rolls back. To handle errors properly, use `DB::transaction` with a callback function or return a boolean value indicating success or failure.
ACID (Atomicity, Consistency, Isolation, Durability) underpins reliable database transactions, ensuring all-or-nothing execution, rule-conformant data, safe concurrency, and crash-proof persistence. The article explains each property, illustrates with an e-commerce order workflow (inventory, payment, email), and urges full-stack devs to apply ACID to protect integrity and user trust.
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