create sequence id
increment by 1
start with 15
maxvalue 999999999999999999
nocycle;
insert into tbl_TTTT (id, name)
values (id.nextval, 'ORACLE');
select id, name from tbl_TTTT
id name
-- -------
15 ORACLE
select id.currval from tbl_TTTT;
CURRVAL
---------
15
drop sequence id;
