This new command swaps two Redis databases, so that immediately all the clients connected to a given DB will see the data of the other DB, and the other way around. Example: SWAPDB 0 1 This will swap DB 0 with DB 1. All the clients connected with DB 0 will immediately see the new data, exactly like all the clients connected with DB 1 will see the data that was formerly of DB 0. MOTIVATION AND HIST
