EXPERT RESPONSE
Most definitely possible.
select A.pk
, A.col1, B.col1
, A.col2, B.col2
, A.col3, B.col3
from table_one as A
inner
join table_two as B
on B.pk = A.pk
where A.col1 <> B.col1
or A.col2 <> B.col2
or A.col3 <> B.col3
union all
select A.pk
, A.col1, null
, A.col2, null
, A.col3, null
from table_one as A
left outer
join table_two as B
on B.pk = A.pk
where B.pk is null
union all
select B.pk
, null, B.col1
, null, B.col2
, null, B.col3
from table_two as B
left outer
join table_one as A
on A.pk = B.pk
where A.pk is null
The inner join, with its WHERE conditions, returns rows which
exist in both tables but which have at least one column different.
Then the two outer joins, with their WHERE conditions, return rows
which exist in one table but not the other.
The results of these three subqueries are combined
with UNION ALL to return all anomalies.
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