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.
Richard Beckhard (1928â1999) was an American organizational theorist, Adjunct Professor at MIT, and pioneer in the field of organization development.eckhard co-launched the Addison-Wesley Organization Development Series and began the Organization Development Network in 1967.