In earlier stage, i have lot of confusion........
finally i concluded,
Joiner select column from tables, where as union selects rows.
In Joiner, matching rows are joined side-by-side to make the
result table whereas in Union rows are joined one-below
the other to make the result table.
In informatica Union transformation is implemented with union all which mean if we do
union of two tables it will select all the rows i.e it will not select distinct rows.
finally i concluded,
Joiner select column from tables, where as union selects rows.
In Joiner, matching rows are joined side-by-side to make the
result table whereas in Union rows are joined one-below
the other to make the result table.
In informatica Union transformation is implemented with union all which mean if we do
union of two tables it will select all the rows i.e it will not select distinct rows.
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