oracle 创建自动增加主键的表

oracle 创建自动增加主键的表 //创建表create table t (pk number primary key,name varchar2(20));//创建序列create sequence t_seq increment by 1 start with 1 maxvalue 999999999;//创建触发器create trigger t_trigger before insert on t for each rowbeginselect t_seq.nextval into :new.pk from dual; //or ( new.pk=t_seq.nextval)end;//插入记录insert into t(name) values('aa'); http://www.cnblogs.com/skl99/archive/2009/01/06/1370450.html