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 ...
Corrie ten Boom. Cornelia Corrie ten Boom (15 April 1892 â 15 April 1983) was a Dutch watchmaker and Christian who, along with her father and other family members, helped many Jews escape the Nazi Holocaust during World War II. She was imprisoned for her actions. Her most famous book, The Hiding Place, describes the ordeal.