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.
Robert Stack Biography. Born January 13, 1919, in Los Angeles, CA; died of heart failure, May 14, 2003, in Bel Air, CA. Actor. Actor Robert Stack was known for his portrayal of determined, crime fighter Eliot Ness in the 1960s television series The Untouchables, as well as for his role as host of another series, Unsolved Mysteries. His work on The Untouchables won him an Emmy award in 1960.