Master Hibernate and JPA with Spring Boot in 100 Steps - Step 61 - Understand 4 Isolation Levels

The video tutorial explains the four different isolation levels in database transactions: read uncommitted, read committed, repeatable read, and serializable. Each level addresses specific problems such as dirty reads, non-repeatable reads, and phantom reads. Read uncommitted allows all transactions to read any data, leading to potential dirty reads. Read committed prevents dirty reads by allowing only committed data to be read. Repeatable read locks both modified and read data, preventing dirty and non-repeatable reads. Serializable, the strictest level, prevents all three problems by locking the entire table or specific constraints during a transaction. The tutorial concludes with a brief overview of the isolation levels and hints at further discussion on their consequences.

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