I know that when overriding hashcode() and equals() of my persistent entities I should not include ID and only include the meaningful properties that uniquely identify the object.
When a transa开发者_如何学Pythonction is rolled back in timestamp ordering protocol, why is it given a new timestamp?
When I catch a ChangeConflictExceptio开发者_StackOverflow中文版n is it possible to determine the actual SQL statement that failed from within the code?ie; rather than inspecting profiler output.I hope
I don\'t know why the OldValues of the ItemUpdating eventargs is not being set when I try to update items using Listview.UpdateItem method.
I want to achieve concurrency check using nHibernate 3 using UnitOfWork pattern. To be more precise: open new session session,
Consider the following two blocks of Java psedo-code in a system that uses optimistic transactions. Example A:
I have a web application in which data can be changed concurrently by the users. At the moment I include the old row values in each form and update the row only if the data is the same. With SQLite th
There is tons of information on this, but even after reading for hours and hours I can\'t seem to get this to work the way I want.
There\'s a column on one of my tables that\'s being 开发者_JAVA百科updated by various INSERT/DELETE triggers in my database - the triggers perform some calculation based on the contents of linked tabl
I\'m trying to come up with some good words to explain an optimistic concurrency开发者_高级运维 exception to a user. It turns out it\'s a lot harder that I thought it would be. the best I have so far