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)) ; We can also use Oracle alter table syntax in dynamic PL/SQL to modify data columns.
Irena Sendler (nÃ©e KrzyÅ¼anowska, also referred to as Irena Sendlerowa in Poland, Nom de guerre Jolanta; 15 February 1910 â 12 May 2008) was a Polish Roman Catholic nurse/social worker who served in the Polish Underground during World War II, and as head of children's section of Å»egota, an underground resistance organization in German-occupied Warsaw ...
Deborah Sampson Gannett, better known as Deborah Samson or Deborah Sampson, was a Massachusetts woman who disguised herself as a man in order to serve in the Continental Army during the American Revolutionary War. She is one of a small number of women with a documented record of military combat experience in that war. She served 17 months in the army under the name Robert Shirtliff of Uxbridge, Massachusetts, was wounded in 1782, and was honorably discharged at West Point, New York in 1783.