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.
Noted as director of the Los Alamos laboratory during the development of the atomic bomb. (1943-45). Director of the institute for advanced study Princeton (1947-66) Biography J. Robert Oppenheimer was born in New York City on April 22, 1904. His father was a German immigrant who had made his fortune importing textiles, and his mother was an American-born painter who had studied in Paris.