Question: session begins SET GLOBAL TRANSACTION ISOLATION LEVEL READ UNCOMMITTED; session ends session begins SET TRANSACTION ISOLATION LEVEL SERIALIZABLE; transaction 1 SET SESSION TRANSACTION ISOLATION LEVEL

session begins SET GLOBAL TRANSACTION ISOLATION LEVEL READ UNCOMMITTED; session ends session begins SET TRANSACTION ISOLATION LEVEL SERIALIZABLE; transaction 1 SET SESSION TRANSACTION ISOLATION LEVEL REPEATABLE READ; transaction 2 transaction 3 SET TRANSACTION ISOLATION LEVEL READ COMMITTED; transaction 4 transaction 5 session endsSelect each transaction's isolation level.transaction 1transaction 2transaction 3transaction 4transaction 5

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