Oracle provides alter table syntax to modify data columns in-place in this form: alter table table_name modify column_name datatype; If you are brave you can use a single alter table syntax to modify multiple columns:
Julius Robert Oppenheimer (22 April 1904 â 18 February 1967) was an American physicist and the scientific director of the Manhattan Project.
Robert Owens (musician) Robert Owens (born August 16, 1961) is an American songwriter, record producer, DJ and singer, best known for his work with the Chicago house group Fingers Inc. in the mid-1980s.