摘要： DROP SEQUENCE WPP_ID_SEQCREATE SEQUENCE WPP_ID_SEQ INCREMENT BY 1 START WITH 1;declare i number; j number;begin i:= 0; j:= 0; loop i := i + 1; select WPP_ID_SEQ.Nextval into j from dual; exit when i = 3502 ; end loop;end;select WPP_ID_SEQ.Nextval from dual 阅读全文