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
Best Answer: Sir Isaac Newton is famous because of his three laws of motion, and the discovery (scientific explanation) of gravity.saac Newton used three laws to explain the way objects move. They are often call Newtonâs Laws. Newton, Sir Isaac (1642-1727), mathematician and physicist, one of the foremost scientific intellects of all time.