create table if not exists CUSTOMER( Cust_firstame varchar2(40) not null, Cust_sirname varchar2(40) not null, Cust_house number not null default '0', Cust_addr varchar2(100), Cust_town varchar2(100), Cust_town varchar2(100), Cust_state varchar2(100), Cust_pcode varchar2(8) not null, Cust_phone varchar2(14) check begin with '0', Cust_email varchar2(30) check '@',
This does not work.