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In this approach, triggers log events that happen to the transactional table into another queue table that can later be "played back". For example, imagine an Accounts table, when transactions are taken against this table, triggers would fire that would then store a history of the event or even the deltas into a separate queue table.
A trigger in Sedna is set on any nodes of an XML document stored in database. When these nodes are updated, the trigger automatically executes XQuery queries and updates specified in its body. For example, the following trigger cancels person node deletion if there are any open auctions referenced by this person:
Transaction Logic is an extension of predicate logic that accounts in a clean and declarative way for the phenomenon of state changes in logic programs and databases.This extension adds connectives specifically designed for combining simple actions into complex transactions and for providing control over their execution.
Thursday's slate of Week 13 NFL games includes teams with a rich history playing on the holiday. Here's tomorrow's schedule and how to watch each game.
Finding a shelter. To find shelters near you where you can have an impact, search for your city or county's animal services department. Many of these shelters will share links online to wish lists ...
The actual logic is contained in event-handler routines. These routines handle the events to which the main program will respond. For example, a single left-button mouse-click on a command button in a GUI program may trigger a routine that will open another window, save data to a database or exit the application.
The chatter started awhile ago, once the weekly College Football Playoff rankings began and the potentially controversial decisions that were inevitable with an expanded field of 12 teams became ...
[citation needed] In 1999, Salesforce.com was founded, allowing marketers and salespeople to directly affect and guide potential customers through their company's sales process using Salesforce's cloud-based customer relationship management (CRM) technology. [citation needed]