Which of the following is the correct way to set the transaction isolation level to Read Committed in PostgreSQL?

easy📝 Syntax Q12 of 15

PostgreSQL - Transactions and Concurrency

ASET TRANSACTION LEVEL READ COMMITTED;

BSET ISOLATION LEVEL READ COMMITTED TRANSACTION;

CBEGIN TRANSACTION ISOLATION READ COMMITTED;

DSET TRANSACTION ISOLATION LEVEL READ COMMITTED;

Step-by-Step Solution

Solution:

Step 1: Recall correct syntax for setting isolation level
The correct syntax in PostgreSQL is: SET TRANSACTION ISOLATION LEVEL READ COMMITTED;
Step 2: Check each option
SET TRANSACTION ISOLATION LEVEL READ COMMITTED; matches the correct syntax exactly. The other options have incorrect word order or missing keywords.
Final Answer:
SET TRANSACTION ISOLATION LEVEL READ COMMITTED; -> Option D
Quick Check:
SET TRANSACTION ISOLATION LEVEL READ COMMITTED; [OK]

Quick Trick: Remember: SET TRANSACTION ISOLATION LEVEL ... [OK]

Common Mistakes:

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