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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. Savepoint - Wikipedia

   en.wikipedia.org/wiki/Savepoint

   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 ...

4. Commit (data management) - Wikipedia

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

   In computer science and data management, a commit is the making of a set of tentative changes permanent, marking the end of a transaction and providing Durability to ACID transactions. A commit is an act of committing. The record of commits is called the commit log.

5. Liquibase - Wikipedia

   en.wikipedia.org/wiki/Liquibase

   Update database to current version; Rollback last X changes to database; Rollback database changes to particular date/time; Rollback database to "tag" SQL for Database Updates and Rollbacks can be saved for manual review; Stand-alone IDE and Eclipse plug-in "Contexts" for including/excluding change sets to execute; Database diff report

6. 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:

7. H. Lee Scott, Jr. - Pay Pals - The Huffington Post

   data.huffingtonpost.com/paypals/h-lee-scott-jr

   From January 2008 to December 2012, if you bought shares in companies when H. Lee Scott, Jr. joined the board, and sold them when he left, you would have a 37.7 percent return on your investment, compared to a -2.8 percent return from the S&P 500.