📌 Guide: Writing Responsible Transactions in PostgreSQL #

A transaction is a sequence of SQL statements executed as a single unit of work. It ensures that all statements within it either succeed completely or fail together, maintaining ACID properties (Atomicity, Consistency, Isolation, Durability).

🏁 1. Starting a Transaction Properly #

✅ Basic Transaction Syntax #

BEGIN;  -- Start a transaction

-- Your SQL statements here
COMMIT; -- Save changes permanently

OR