When a row contains a column that is a collection data type (LIST, MULTISET, or SET), you can search for a particular element in the collection, and delete the row or rows in which the element is found.
For example, the following statement deletes any rows from the new_tab table in which the set_col column contains the element jimmy smith:
DELETE FROM new_tab WHERE 'jimmy smith' IN set_col
You can also use a collection variable to delete values in a collection column by deleting one or more individual elements in a collection. For more information, see Collection-Derived Table and the examples in Database Name and Example of Deleting from a Collection.
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