Oracle主键自增 发表于 2015-05-07 | 分类于 oracle Oracle主键自增 利用SEQUENCE和触发器例如:表名:TBOOK 主键名:BOOKID 创建序列 1create sequence SEQ_BOOK increment by 1 start with 1 maxvalue 999999999; 创建触发器实现主键自增 123456create or replace trigger TBOOK_TRIGGER before insert on TBOOK for each row begin select SEQ_BOOK.nextval into :new.BOOKID from dual; end;