Abstract: A system comprising a processor that may be configured to: monitor an output of a feed that outputs a respective log of each activity that occurs on a source database platform; evaluate the output of the feed against an update session taxonomy to determine whether the respective log indicates a completion of a first update session of first updates to a first source table of a source instance of a live database; when the respective log indicates the completion of the first update session, search a historical database activity repository to detect each respective log that corresponds to the first update session; identify a corresponding data change for each respective log that corresponds to the first update session; and perform a first set of data changes on a copy of the first source table.

Abstract: A cleaning accessory for a vacuum cleaner comprises a housing. At least one rotatable cleaning brush is rotatably mounted to the housing and configured to engage a surface to be cleaned. The at least one rotatable cleaning brush comprises at least one flexible cleaning element projecting outwards from a side of the housing. The at least one flexible cleaning element is arranged to rotate in a cleaning position and rotate in a disengaged position whereby the at last one flexible cleaning element engages the surface to be cleaned when rotating in the cleaning position and the at last one flexible cleaning element is remote from the surface to be cleaned when rotating in the disengaged position.

Abstract: A cleaning accessory for a vacuum cleaner comprises a housing. At least one rotatable cleaning brush is rotatably mounted to the housing and configured to engage a surface to be cleaned. The at least one rotatable cleaning brush comprises at least one flexible cleaning element projecting outwards from a side of the housing. The at least one flexible cleaning element is arranged to rotate in a cleaning position and rotate in a disengaged position whereby the at last one flexible cleaning element engages the surface to be cleaned when rotating in the cleaning position and the at last one flexible cleaning element is remote from the surface to be cleaned when rotating in the disengaged position.