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.
Harry Frederick Oppenheimer, 1908-2000. Harry Oppenheimer was born in Kimberley, the diamond city of South Africa, on 28 October 1908. After completing his primary schooling in Johannesburg, he attended Charterhouse school in England, before going on to study at Christ Church, Oxford, graduating in 1931 in philosophy, politics and economics.