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
The author of the Principia mathematica was a true Renaissance man who spent decades delving in the secrets of alchemy and even longer studying the Bible, theology and church history. Leaving behind at least two and a half million words on theology, Newton was one of the greatest lay theologians of his age. A study of Newtonâs theology and prophetic views illuminates the life of this great thinker and helps us understand his science.