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.
By Scott London. Robert Coles is a child psychiatrist, professor at Harvard University, and author of more than fifty books. He is best known for his explorations of children's lives and books that explore their moral, political, and spiritual sensibilities. He is also known as an eloquent spokesman for voluntary and community service â the subject of his book, A Call to Service.