Implementing the upsert operation using Amazon Redshift V2 Connector

Implementing the upsert operation using Amazon Redshift V2 Connector

Solutions

Solutions

You can perform a join between the
customer
and
credithistory
data set to get the desired output. However, a join creates duplicate data rows for all the customers in the data set. For example, if a customer with ID
101
has credit scores
687
,
630
, and
605
, a join creates three data rows for the credit scores of the customer.
Implement one of the following solutions to resolve this issue.

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