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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.
Shows the real names of tags next to their display names in places such as page revision histories or the watchlist. N/A: N/A: Watchlist mark : Bolds watched pages in Category and "User Contributions" listings. Also adds a "Show watchlist controls" link to enable watching and unwatching directly from these listings. 10: 2
Backporting is the action of taking parts from a newer version of a software system or software component and porting them to an older version of the same software. It forms part of the maintenance step in a software development process, and it is commonly used for fixing security issues in older versions of the software and also for providing new features to older versions.
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. The memento pattern is implemented with three objects: the originator, a caretaker and a memento. The originator is some object that has an internal state.
To see the changes the rollback button will revert, view the specific diff that compares the last version from the last editor with the last version from the previous editor. The rollback link looks similar to this: [rollback: # edits] Rollback works much more quickly than undo, since it:
For example: GRANT can be used to give privileges to user to do SELECT, INSERT, UPDATE and DELETE on a specific table or multiple tables. The REVOKE command is used take back a privilege (default) or revoking specific command like UPDATE or DELETE based on requirements.
MySQL (/ ˌ m aɪ ˌ ɛ s ˌ k juː ˈ ɛ l /) [6] is an open-source relational database management system (RDBMS). [6] [7] Its name is a combination of "My", the name of co-founder Michael Widenius's daughter My, [1] and "SQL", the acronym for Structured Query Language.
Additional relevant information can be found at Help:Reverting#Rollback.. As an admin (or rollbacker), you may spend much of your time reverting changes made to pages. You may be familiar with the undo feature, which undoes the last edit to a page, and manual reverts, which allow you to revert to any edit of a page by opening any page history revision, clicking edit, and saving.