enow.com Web Search

Search results

  1. Results from the WOW.Com Content Network
  2. Optimistic concurrency control - Wikipedia

    en.wikipedia.org/wiki/Optimistic_concurrency_control

    Commit/Rollback: If there is no conflict, make all changes take effect. If there is a conflict, resolve it, typically by aborting the transaction, although other resolution schemes are possible. Care must be taken to avoid a time-of-check to time-of-use bug, particularly if this phase and the previous one are not performed as a single atomic ...

  3. Precedence graph - Wikipedia

    en.wikipedia.org/wiki/Precedence_graph

    A schedule is conflict-serializable if and only if its precedence graph of committed transactions is acyclic. The precedence graph for a schedule S contains: A node for each committed transaction in S; An arc from T i to T j if an action of T i precedes and conflicts with one of T j 's actions. That is the actions belong to different ...

  4. Commitment ordering - Wikipedia

    en.wikipedia.org/wiki/Commitment_ordering

    The only low overhead incurred is detecting conflicts (e.g., with locking, but with no data-access blocking; if not already detected for other purposes) and ordering votes and local transactions' commits according to the conflicts. Schedule classes containment: An arrow from class A to class B indicates that class A strictly contains B; a lack ...

  5. Database transaction schedule - Wikipedia

    en.wikipedia.org/wiki/Database_transaction_schedule

    A schedule is said to be conflict-serializable when the schedule is conflict-equivalent to one or more serial schedules. Equivalently, a schedule is conflict-serializable if and only if its precedence graph is acyclic when only committed transactions are considered. Note that if the graph is defined to also include uncommitted transactions ...

  6. Edit conflict - Wikipedia

    en.wikipedia.org/wiki/Edit_conflict

    A representation of an edit conflict. To resolve the conflict, the goat lover must choose whether to keep their changes or merge them with the cat lover's. An edit conflict is a computer problem that may occur when multiple editors edit the same file and cannot merge without losing part or all of their edit. The conflict occurs when an editor ...

  7. Help:Edit conflict - Wikipedia

    en.wikipedia.org/wiki/Help:Edit_conflict

    At the top of the edit-conflict page is an editing box containing Bob's version of the whole page, even if Alice is doing section editing. At the bottom of the edit-conflict page is a second editing box containing the text Alice was going to submit. This will be Alice's version of the page or section she was editing.

  8. 3 Reasons Retired Boomers Shouldn’t Give Their Kids a Living ...

    www.aol.com/3-reasons-retired-boomers-shouldn...

    These are the Amazon deals our editors are adding to our carts this week: Rare sales and gift ideas for less

  9. Continuous integration - Wikipedia

    en.wikipedia.org/wiki/Continuous_integration

    The earliest known work (1989) on continuous integration was the Infuse environment developed by G. E. Kaiser, D. E. Perry, and W. M. Schell. [4]In 1994, Grady Booch used the phrase continuous integration in Object-Oriented Analysis and Design with Applications (2nd edition) [5] to explain how, when developing using micro processes, "internal releases represent a sort of continuous integration ...