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What is JDBC Connection isolation levels?
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Answer / Ansuman Singh
JDBC connection isolation levels determine how transactions interact with other concurrently executing transactions. There are four isolation levels in JDBC: TRANSACTION_READ_UNCOMMITTED (allowing dirty reads, non-repeatable reads, and phantom reads), TRANSACTION_READ_COMMITTED (preventing dirty reads but allowing non-repeatable reads and phantom reads), TRANSACTION_REPEATABLE_READ (prevention of both dirty reads and non-repeatable reads, but still allows phantom reads), and TRANSACTION_SERIALIZABLE (completely preventing all types of inconsistencies).
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