After the quantity check, the procedure tries to fetch next from the cursor, but if the rollback occurred, this causes an error because the rollback closed the cursor.
This feature enables applications to rollback a transaction to a predetermined marker.
This would allow you to rollback a transaction, persist data, or perform any other cleanup functions you might need.
The second cause of USN rollback occurs when a domain controller has been restored using an unsupported method, most frequently using a disk cloning or imaging tool.
Then we rollback this transaction.
This simple example is meant to be illustrative, not to trivialize rollback.
There's one problem, though: We can roll back our database, but automagically trigger a rollback for our live objects.
Because you are only interested in viewing the data, you would prefer to do so anonymously, issue a rollback statement immediately after the call to cover your tracks, as shown in Listing 7.
When and where should you specify the transaction rollback directives?
The rollback of that business, and the institution of the system we have today, began with blood.
A rollback may also be necessitated when the unexpected occurs, and no matter how much planning and how much testing you might have done, the unexpected is bound to happen.
Planning for rollback introduces no new requirement for keeping the existing application server environment.
Backups at each stage of your migration enable you to rollback to a specific point in time of your migration process.
In the case of an error, the transaction logic can specify that the transaction rollback to a savepoint.
Chen xiaomi now can you give me rollback calf.
另一方面，在持久数据实现中，对系统中断或故障以“回滚（rollback）”回应，数据状态被回滚到上一个已知的良好配置。
If she is not authorized, an error is raised and the transaction is marked for rollback.
Capistrano lets us deploy and rollback everywhere; git with github lets us all hack frantically on the same codebase then merge and deploy.
Next, the appliance takes a snapshot of the entire system, enabling you to rollback to the previous system state if undesired behavior results after applying the fix.
