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what is deeup in unique only?

Answer Posted / dhirendra

keep Parameter of Dedup Sorted Component

(choice, required)

Specifies which records the component keeps to write to the
out port. Choose one of the following options:

first — Keeps the first record of a group
last — Keeps the last record of a group
unique-only — Keeps only records with unique key values
The component writes the remaining records of each group to
the dup port.

Default is first.

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