There are 2 types of Rollback as far as I know: 1) In data management and computer sciences - means a return of a data base, a data package or a programs set of personalized modifications to it's previous state. 2) In political sciences, rollback is a strategy of forcing a change in the major policies of a state or political entity (like a party or a political group) usually by replacing those in charge and the entire ruling regime.

rollback command can retrieve deleted data from a table, provided commit has not been performed after deleting the data. both rollback and commit are transaction control statements.

Data management is as simple as it sounds, the management of data, usually electronically through things like databases.

Data management is simply the collection and organization of data. This can include database management, data security management and even meta data management for websites.

Truncate since it is DDL command

Rollback is lowering the price to an earlier price for an item.