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.
Oppenheimer opposed the development of a hydrogen bomb because he saw it as a weapon of genocide, not war. 16. Lewis Strauss, who became chairman of the Atomic Energy Commission in 1953, was a strong supporter of Oppenheimer.