`timestamp` timestamp NOT NULL default CURRENT_TIMESTAMP on update CURRENT_TIMESTAMP, -- the date and time this order line was last modified
`rrp` decimal(13,2) default NULL, -- the replacement cost for this line item
`ecost` decimal(13,2) default NULL, -- the estimated cost for this line item
`timestamp` timestamp NOT NULL default CURRENT_TIMESTAMP on update CURRENT_TIMESTAMP, -- the date and time this order line was last modified
`rrp` decimal(13,2) default NULL, -- the replacement cost for this line item
`ecost` decimal(13,2) default NULL, -- the estimated cost for this line item