perhaps WHERE clause with a UNION ALL
steve, July 11, 2017 - 3:20 pm UTC
you could try:
select column A, B, C from tableA@dblink123
where <condition A is true>
UNION ALL
select column A, B, C from tableA@dblink456
where <condition A is false>
;
July 11, 2017 - 4:48 pm UTC
Yeah, that could work...