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.
Miraculously, J. Robert Oppenheimer delivered the device on time. And it worked. And World War II ended just eight days after the atomic vaporization of Hiroshima. Oppenheimer favored the use of atomic weapons against Japan. He was at first a hero.