What are dirty reads in SQL?
An example of an AI chatbot conversation about SQL dirty reads and their implications.
What are dirty reads in SQL?
Dirty reads occur when a transaction reads data that has been modified by another transaction but not yet committed.
Can you give me an example of a dirty read?
Sure! Imagine Transaction A updates a record but hasn't committed yet. Transaction B reads that uncommitted data, leading to a dirty read.
What problems can dirty reads cause?
Dirty reads can lead to inconsistencies and unreliable data, as the uncommitted changes might be rolled back.
How can I prevent dirty reads in my SQL queries?
You can prevent dirty reads by using appropriate isolation levels, such as 'READ COMMITTED' or 'SERIALIZABLE'.
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