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
Newton wrote several articles and books and is named as one of the inventors of calculus Date Event 1642 Isaac Newton is born. Isaac Newton is born on Christmas Day in 1642 in Woolsthorpe, Lincolnshire, England, about 100 miles north of London.He is very weak at birth and isn't expected to live. 1653 Newton attends King's School in Grantham (About 1653).saac Newton is born on Christmas Day in 1642 in Woolsthorpe, Lincolnshire, England, about 100 miles north of London. He is very weak at birth and isn't expected to live. 1653 Newton attends King's School in Grantham (About 1653).