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A savepoint is a way of implementing subtransactions (also known as nested transactions) within a relational database management system by indicating a point within a transaction that can be "rolled back to" without affecting any work done in the transaction before the savepoint was created. Multiple savepoints can exist within a single ...
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.
It includes all commands that are standardized by the Internet Engineering Task Force (IETF) in RFC 959, plus extensions. Note that most command-line FTP clients present their own non-standard set of commands to users. For example, GET is the common user command to download a file instead of the raw command RETR.
Data Control Language is one of the logical group in SQL Commands. SQL [ 1 ] is the standard language for relational database management systems. SQL statements are used to perform tasks such as insert data to a database, delete or update data in a database, or retrieve data from a database.
The rollback link looks similar to this: [rollback: # edits] Rollback works much more quickly than undo, since it: allows reverting without even looking at the list of revisions or diff; does not require loading an edit page and sending the wikitext back to the server; does not require a click of the Publish changes button
The alternative to autocommit mode (non-autocommit) means that the SQL client application itself is responsible for ending transactions explicitly via the commit or rollback SQL commands. [ 2 ] [ 3 ] Non-autocommit mode enables grouping of multiple data manipulation SQL commands into a single atomic transaction.
1. Sauté the vegetables. In a skillet or saucepan, heat the butter or oil over medium heat. Add the sliced onions and bell pepper and cook until soft and caramelized, about 5 to 7 minutes.
Click on the blue-linked "rollback" (rollback | undo) at the right-hand side of the last edit string. This will roll back the page to the version prior to your edits. To see the difference between rollback and the undo tool , go back to the page history and click "undo" instead of rollback.