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  2. Rollback (data management) - Wikipedia

    en.wikipedia.org/wiki/Rollback_(data_management)

    SQL refers to Structured Query Language, a kind of language used to access, update and manipulate database. In SQL, ROLLBACK is a command that causes all data changes since the last START TRANSACTION or BEGIN to be discarded by the relational database management systems (RDBMS), so that the state of the data is "rolled back" to the way it was before those changes were made.

  3. Transaction log - Wikipedia

    en.wikipedia.org/wiki/Transaction_log

    Physically, a log is a file listing changes to the database, stored in a stable storage format. If, after a start, the database is found in an inconsistent state or not been shut down properly, the database management system reviews the database logs for uncommitted transactions and rolls back the changes made by these transactions ...

  4. Database transaction - Wikipedia

    en.wikipedia.org/wiki/Database_transaction

    A database transaction symbolizes a unit of work, performed within a database management system (or similar system) against a database, that is treated in a coherent and reliable way independent of other transactions. A transaction generally represents any change in a database. Transactions in a database environment have two main purposes:

  5. Database trigger - Wikipedia

    en.wikipedia.org/wiki/Database_trigger

    A database trigger is procedural code that is automatically executed in response to certain events on a particular table or view in a database. The trigger is mostly used for maintaining the integrity of the information on the database. For example, when a new record (representing a new worker) is added to the employees table, new records ...

  6. Compensating transaction - Wikipedia

    en.wikipedia.org/wiki/Compensating_transaction

    Each transaction may consist of several individual operations yet, as a whole, it moves the system between consistent states. There are two groups of systems where compensating transaction may be applied: 1. In the context of a database this is often easily achieved using transactions and the commit/rollback mechanism. [1]

  7. GOP report: Liz Cheney should be investigated by FBI ... - AOL

    www.aol.com/news/gop-report-liz-cheney...

    The report raised a litany of concerns and questions about how the Jan. 6 investigation was carried out, how witnesses may have been pressured or influenced, and how records, files and other ...

  8. Database testing - Wikipedia

    en.wikipedia.org/wiki/Database_testing

    A separate database testing team seems advisable. Database testing mainly deals with finding errors in the databases so as to eliminate them. This will improve the quality of the database or web-based system. Database testing should be distinguished from strategies to deal with other problems such as database crashes, broken insertions ...

  9. Refinance rates for Thursday, December 19, 2024 - AOL

    www.aol.com/finance/mortgage-and-refinance-rates...

    Mortgage and refinance rates for Dec. 19, 2024: Average 30-year, 15-year rates move higher after Fed's quarter-point cut