日期:2014-05-17 浏览次数:20822 次
scott@ORA11GR2> create sequence seq minvalue 1 maxvalue 100; Sequence created. scott@ORA11GR2> select to_char(seq.nextval-1, '09') from dual; TO_ --- 00 scott@ORA11GR2> select to_char(seq.nextval-1, '09') from dual; TO_ --- 01 scott@ORA11GR2> select to_char(seq.nextval-1, '09') from dual; TO_ --- 02