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Learn how to use Sequelize’s SERIALIZABLE transaction isolation level to prevent race conditions when decrementing inventory or updating financial records.
In PostgreSQL, the REPEATABLE READ isolation level utilizes Multiversion Concurrency Control (MVCC) to provide a consistent snapshot as of the start of the first query. While this implementation effectively prevents phantom reads—exceeding the standard SQL requirement—it introduces specific constraints regarding concurrent data modification. When a transacti
postgresql
sequelize