Can you explain what database transactions are?
Sure! A database transaction is a sequence of operations performed as a single logical unit of work. It ensures data integrity.
What are isolation levels in database transactions?
Isolation levels define how transaction integrity is visible to other transactions. Common levels include Read Uncommitted, Read Committed, Repeatable Read, and Serializable.
Can you give examples of each isolation level?
Of course! For example, Read Uncommitted allows dirty reads, while Serializable ensures complete isolation from other transactions.
Why is it important to choose the right isolation level?
Choosing the right isolation level balances performance and data integrity, preventing issues like dirty reads or lost updates.
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