Answers for "nested select to find duplicates oracle"

oracle finding duplicate records

SELECT column_name, COUNT(column_name)
FROM table_name
GROUP BY column_name
HAVING COUNT(column_name) > 1;

Posted by: Guest on February-11-2020

how to delete duplicate rows in oracle

DELETE FROM your_table
WHERE rowid not in
(SELECT MIN(rowid)
FROM your_table
GROUP BY column1, column2, column3);

Posted by: Guest on December-04-2020

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