Can you give me an example of timestamp-based control in programming?
Sure! Timestamp-based control is often used in databases to manage concurrent transactions. For example, if two transactions try to access the same data, the system uses timestamps to determine which transaction should proceed.
How does it decide which transaction to proceed with?
The system assigns a unique timestamp to each transaction. The one with the earlier timestamp is allowed to proceed, while the other may be rolled back or delayed.
Can you explain what happens if a transaction is rolled back?
When a transaction is rolled back, all changes made by that transaction are undone, ensuring the database remains consistent.
Are there any drawbacks to using timestamp-based control?
Yes, one drawback is that it can lead to increased waiting times for transactions, especially in high-concurrency environments.
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