what r d pre-requiste for update strategy transformation,
and differnce between delete n truncate in target session
properties for update strategy

Answer Posted / abhinaw prakash

For update strategy t/r we should have Constraints defined
on the table.
Else we'll have to use Update override property in session
properties.
Delete in session property we use for deleting a record
based on condition were as truncate is for removing the
previous record from the table before inserting new set of
data.

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