oracle插入时如何插入uuId

SQL> select   sys_guid() from dual ;
SYS_GUID()

 

 
SQL> select   sys_guid() from dual ;
 
SYS_GUID()
--------------------------------
E29F02A1D08A4E919C2CA8D0E4AEF830
 
SQL> insert into pppp(id) values(sys_guid());