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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.
Issuing the commands ROLLBACK or COMMIT will also discard any savepoints created since the start of the main transaction. Savepoints are defined in the SQL standard and are supported by all established SQL relational databases, including PostgreSQL , Oracle Database , Microsoft SQL Server , MySQL , IBM Db2 , SQLite (since 3.6.8), Firebird , H2 ...
Anti-rollback protection for versioned data (keys, encrypted files, software, etc). [3] Storage for a Trusted Application [3] Some operating systems, such as Linux may provide a generic driver for accessing an RPMB device attached to an eMMC. [4]
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.
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:
A downgrade attack, also called a bidding-down attack, [1] or version rollback attack, is a form of cryptographic attack on a computer system or communications protocol that makes it abandon a high-quality mode of operation (e.g. an encrypted connection) in favor of an older, lower-quality mode of operation (e.g. cleartext) that is typically provided for backward compatibility with older ...
You could rollback the rollback, but this can cause confusion for others who look at the page history. If MediaWiki rollback is used accidentally instead of undo to revert a good-faith edit, you could take a quick look to see if there is anything in the article you could improve (like a typo), and while making that edit also add the reason for ...
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.