oracle插入时怎么插入uuId

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());

?

?