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The memento pattern is a software design pattern that exposes the private internal state of an object. One example of how this can be used is to restore an object to its previous state (undo via rollback), another is versioning, another is custom serialization.
In database systems, consistency (or correctness) refers to the requirement that any given database transaction must change affected data only in allowed ways. Any data written to the database must be valid according to all defined rules, including constraints, cascades, triggers, and any combination thereof. This does not guarantee correctness ...
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Database state may refer to: Database state, in database technology the set of stored data. Entering, modifying, or deleting information changes the database state. *Actual data stored in a particular moment in time. See also State transition system and Finite-state machine models. A state that practices Mass surveillance
True continuous data protection is different from traditional backup in that it is not necessary to specify the point in time to recover from until ready to restore. [5] Traditional backups only restore data from the time the backup was made. True continuous data protection, in contrast to "snapshots", has no backup schedules. [5]
Restoring your browser's default settings will also reset your browser's security settings. A reset may delete other saved info like bookmarks, stored passwords, and your homepage. Confirm what info your browser will eliminate before resetting and make sure to save any info you don't want to lose. • Restore your browser's default settings in Edge
By state law, a physician is allowed to condition the release of copies of medical records on the payment by the requesting party of the reasonable costs of reproducing the record. Reasonable cost as defined by law may not exceed onedollar ($1.00) per page for the first twenty-five (25) pages, fifty cents ($.50) per page for each page in excess ...
Database maintenance uses file locking, whereby it can serialize access to the entire physical file underlying a database. Although this does prevent any other process from accessing the file, it can be more efficient than individually locking many regions in the file by removing the overhead of acquiring and releasing each lock.