Category talk:C
From Oracle FAQ
create table mst_product(product_code varchar2(10),product_name varchar2(50));
insert into mst_product values('1','A'); insert into mst_product values('2','B'); insert into mst_product values('Bush','C'); insert into mst_product values('280','A'); insert into mst_product values('281','A'); insert into mst_product values('jupiter','A'); insert into mst_product values('282','A'); insert into mst_product values('283','A');