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.
Robert Wolf (writer) Robert Wolf (born c. 1944) is an American writer, journalist, and entrepreneur. His non-fiction writing focuses on everyday life, frequently that of farmers and other rural Americans.