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.
John Dalton FRS (/ËdÉËltÉn/; 6 September 1766 â 27 July 1844) was an English chemist, physicist, and meteorologist. He is best known for proposing the modern atomic theory, and for his research into colour blindness, sometimes referred to as Daltonism in his honour.