According to ANSI SQL,the serializable isolation level will not allow phantom reads,dirty reads,and nonrepeatable reads.

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Serializable isolation level provides the strictest level of isolation where transactions are executed as if they are running serially. This level of isolation guarantees that transactions are executed as if no other transactions are executing concurrently. Therefore, phantom reads, dirty reads, and nonrepeatable reads are not possible.

According to ANSI SQL,the Serializable Isolation Level Will Not Allow