SQL insert data drop sequence prdseq; create sequence prdseq increment by 1 start with 1 minvalue 1 nocache; drop table products; create table products( id number primary key, name varchar2(30), stock number, price number, category varchar2(30), inputdate date default sysdate ); insert into products values(prdseq.nextval,'mp3',20,300,'IT', default); insert into products values(prdseq.nextval,'갤럭..