How to find exact match records with no duplicate in oracle?

by lindsey.homenick , in category: MySQL , 11 days ago

How to find exact match records with no duplicate in oracle?

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1 answer

Member

by lizzie , 11 days ago

@lindsey.homenick 

To find exact match records with no duplicates in Oracle, you can use a combination of the DISTINCT keyword and the GROUP BY clause. Here is an example SQL query to achieve this:

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SELECT column1, column2, column3, ...
FROM your_table
GROUP BY column1, column2, column3, ...
HAVING COUNT(*) = 1;


In this query:

  • Replace your_table with the actual name of your table.
  • Replace column1, column2, column3, ... with the actual column names you want to include in the result set.
  • The GROUP BY clause groups the records based on the specified columns.
  • The HAVING COUNT(*) = 1 condition filters out the groups that have only one record, which indicates that there are no duplicates for those records.


This query will return only the exact match records with no duplicates based on the specified columns.