In ADO.NET, what is an optimistic concurrency model?
- Lock-based concurrency model
- Pessimistic concurrency model
- Row versioning concurrency model
- Timestamp-based concurrency model
In an optimistic concurrency model, multiple users are allowed to access and modify data simultaneously without locking the data. Instead, when updating data, ADO.NET compares the original data with the current data to ensure that no changes have occurred since the data was initially retrieved.
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