How to Delete Duplicate Records in Oracle
Identify the duplicate., Identifying from a column named "Names.", Identifying from other columns.
Step-by-Step Guide
-
Step 1: Identify the duplicate.
In this case, identify the example duplicate, "Alan." Make sure that the records you are trying to delete are actually duplicates by entering the SQL below. -
Step 2: Identifying from a column named "Names."
In the instance of a column named "Names," you would replace "column_name" with Names. , If you were trying to identify the duplicate by a different column, for example the age of Alan rather than his name, you would enter "Ages" in the place of "column_name" and so on. -
Step 3: Identifying from other columns.
Detailed Guide
In this case, identify the example duplicate, "Alan." Make sure that the records you are trying to delete are actually duplicates by entering the SQL below.
In the instance of a column named "Names," you would replace "column_name" with Names. , If you were trying to identify the duplicate by a different column, for example the age of Alan rather than his name, you would enter "Ages" in the place of "column_name" and so on.
About the Author
Janice Henderson
Committed to making pet care accessible and understandable for everyone.
Rate This Guide
How helpful was this guide? Click to rate: