Database Transactions and Concurrency: ACID Properties and Isolation Levels
1. Introduction to Transactions
A transaction is a set of operations that are treated as a single unit. All operations in a transaction are either committed or rolled back together. By default, each SQL statement is an automatic transaction.
2. Transaction Operations
-- 1. Check Alice's account balance
SELECT * FROM account WHERE name = 'Alice' ...
Posted on Tue, 09 Jun 2026 17:38:10 +0000 by Jona