SQL for Java Devs · interview question
During a database transaction in JDBC, which isolation level would prevent phantom reads?
Multiple choiceHardchapter-8-curatedpremiumsql-for-java-devstransactions
Answer and explanation
Correct answer
A. SERIALIZABLE
Why
The SERIALIZABLE isolation level is the strictest and it prevents phantom reads by ensuring that all transactions are executed in a completely isolated manner. This means no other transaction can read or write until the current transaction is completed.
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