What are isolation levels in databases?
Isolation levels define how transaction integrity is visible to other transactions. They control the visibility of changes made by one transaction to others.
Can you explain the different types of isolation levels?
Sure! The main isolation levels are Read Uncommitted, Read Committed, Repeatable Read, and Serializable. Each level balances consistency and performance differently.
How do I set the isolation level in SQL?
You can set the isolation level in SQL using the SET TRANSACTION ISOLATION LEVEL command followed by the desired level, like 'SERIALIZABLE'.
What are the trade-offs of using higher isolation levels?
Higher isolation levels provide more consistency but can lead to increased locking and reduced concurrency, potentially impacting performance.
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