![Optimistic concurrency control - a little bit of theory and a little bit more examples on waitingforcode.com - articles about General Big Data Optimistic concurrency control - a little bit of theory and a little bit more examples on waitingforcode.com - articles about General Big Data](https://www.waitingforcode.com/public/images/articles/occ_dynamodb_example_no_occ.png)
Optimistic concurrency control - a little bit of theory and a little bit more examples on waitingforcode.com - articles about General Big Data
What are some common scenarios where clustered indexes are preferred over non-clustered indexes in SQL?
![Pessimistic concurrency control vs Optimistic concurrency control in Database Systems Explained - YouTube Pessimistic concurrency control vs Optimistic concurrency control in Database Systems Explained - YouTube](https://i.ytimg.com/vi/I8IlO0hCSgY/sddefault.jpg)
Pessimistic concurrency control vs Optimistic concurrency control in Database Systems Explained - YouTube
![Optimistic concurrency control - a little bit of theory and a little bit more examples on waitingforcode.com - articles about General Big Data Optimistic concurrency control - a little bit of theory and a little bit more examples on waitingforcode.com - articles about General Big Data](https://www.waitingforcode.com/public/images/articles/occ_dynamodb_example_occ.png)