The holds the clinical
that make up
A
is given meaning by its
which is held in the
. A
may be distinguished from or refined by association with other
using
which are held in the
.
Concept file - Detailed Specification |
Only one record with the same id field is current at any point in time. The current record will be the one with the most recent
before or equal to the date under consideration. If the
field of this record is false ('0'), then the
is
at that point in time.
When a is made
the following operations take place:
A new row is added to the file for the
with the
flag set to
and the
set to
All that have as source the
to be inactivated will themselves be inactivated by adding a new row to the
for each
with the
flag set to
All associated with the
will remain unchanged unless incorrect for the
Rows will be added as needed to the Historical Association Reference Sets, to model associations from the to other
that are still associated with the
will be added to the
, with an associated value of