MOVE _key_ _dbindex_

Move the specified key from the currently selected DB to the specifieddestination DB. Note that this command returns 1 only if the key wassuccessfully moved, and 0 if the target key was already there or if thesource key was not found at all, so it is possible to use MOVE as a lockingprimitive.

Return value

1 if the key was moved
0 if the key was not moved because already present on the target DB or was not found in the current DB.