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Databases Quiz Practice
Active Recall Drill Session
← Exit Session
Question 1 of 1
hard
Databases
How does PostgreSQL handle concurrent writes that conflict under `SERIALIZABLE` isolation?
A
It blocks the second transaction indefinitely (deadlock)
B
It allows both to write, resulting in dirty data states
C
It aborts one of the conflicting transactions, throwing a serialization failure error that the application must catch and retry
D
It automatically converts the database schema to NoSQL
Check Answer