A data manipulation method and system. The method includes receiving by a computing system, a multiple data manipulation (MDM) list comprising data objects. The computing system includes a memory unit that comprises data. A data object of the data objects is reviewed. The computing system determines that a new item attribute for the data object comprises a value of null. The computing system determines that an original item attribute for the data object comprises a value of not null. The computing system generates and transmits to DELETE request command to the memory unit. The computing system deletes in response to the delete request command, a first portion of the data.