This links the description to the object(s) it is a description for.
obj_desc_s (PK, M: CHAR VARYING(19))
Surrogate key of the table.
object_s (M: CHAR VARYING(19))
obj_desc.object_s
Instance handle of the object being described.
description_s (FSK, M: CHAR VARYING(19))
obj_desc.description
This links to the description itself.
Defines a foreign key to table description.
object_t (FNK, M: CHAR(3))
obj_desc.object_t
The type of object e.g. entity (ENT), type_def (TYP), teble_def (TAB), attribute (ATT), column_def (COL) etc.
Defines a foreign key to table ref_object.