How I can detect duplicate records in postgresql before aplying a unique Index

How I can detect duplicate records in postgresql before aplying a unique Index

Dimitrios Desyllas - May 10 '23 -

- Dev Community

As I ask Upon: https://dba.stackexchange.com/q/326946/118215

I try to detect duplicate records in a table where I want to apply a Unique Index. Any Idea on how I can do this?

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