Determine whether or not records that are marked for deletion are hidden
SET DELETED ON | OFF | (<expL>)
DELETE, DELETED(), PACK, RECALL, SET FILTER
If SET DELETED is ON, then records that have been marked for deletion are ’invisible’. Records can be marked for deletion with the DELETE command or the DELETE key, and recalled with the RECALL command or the DELETE key. Deleted records can be recalled until a PACK command is issued on the table.
set deleted off recall all