sql - Delete duplicate rows using Analytical functions -

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can delete duplicate rows using analytical functions? mean using row_number() or rank or dense_rank() in sql query in oracle?

you can use row_number() on partition of columns should unique you, e.g: row_number() on (partition column1, column2 order column1). every result has rownumber > 1 duplicate.

you can example return rowid's , delete them.


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