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:
PRINCETON, N. J., Feb. 18--Dr. J. Robert Oppenheimer, the nuclear physicist, died here tonight at the age of 62. A spokesman for the family said Dr. Oppenheimer died at 8 o'clock in his home on the grounds of the Institute for Advanced Study. He had been ailing since early last year with cancer of the throat.
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.