What is a lost update in SQL?
An example of an AI chatbot conversation about lost updates in SQL.
Can you explain what a lost update is in SQL?
A lost update occurs when two transactions read the same data and then update it, leading to one update being overwritten.
How can I prevent lost updates in my SQL database?
You can prevent lost updates by using locking mechanisms, such as optimistic or pessimistic locking, to manage concurrent access.
What are the implications of lost updates on data integrity?
Lost updates can compromise data integrity, leading to incorrect or outdated information being stored in the database.
Can you give an example of a lost update scenario?
Sure! Imagine two users updating the same record simultaneously; the last update will overwrite the first, causing data loss.
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