What are the different isolation levels in SQL?
An example of an AI chatbot conversation about understanding SQL isolation levels.
What are the different isolation levels in SQL?
SQL has four main isolation levels: Read Uncommitted, Read Committed, Repeatable Read, and Serializable. Each level controls how transactions interact with each other.
Can you explain Read Committed in more detail?
Read Committed prevents dirty reads by ensuring that any data read is committed at the moment it is read. However, it allows non-repeatable reads.
What about Serializable? How does it differ?
Serializable is the strictest isolation level. It ensures complete isolation by making transactions appear as if they are executed one after the other, preventing phantom reads.
Which isolation level is the best for performance?
Read Committed is often considered a good balance between performance and data integrity, but the best choice depends on your specific use case.
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