Scd

+========================

< SCD ATTRITBUTE> id status created_at ...

                     <DIMENSION>

                     event_id, position, `action`, <ATTIBUTRE METADATA> ~> security_code
"A"

for in distinct(security_code):

< ----------- TIMELAPSE MODEL ----------> <__ TIMELAPSE INSTANCE MODEL __>

1 0 False, True, None,

not ~ not

is not None