Here are some examples of Oracle alter table syntax to modify data columns and note that you can add constraints like NOT NULL: ALTER TABLE customer MODIFY (cust_name varchar2(100) not null, cust_hair_color varchar2(20)) ;
Did Sir Isaac Newton write any books? His best known book is Principia (Philosophiae Naturalis Principia Mathematica) published in 1687; which includes his laws of motion. Edit
Zadig ou la Destinee ( DestinÃ©e, zadig Or The book Of ) (fate) 1747 is a famous novel and work of philosophical fiction written By enlightenment Philosopher. voltaire