也可以在库里查看这个的定义

CREATE OR REPLACE  VIEW SYS.DBA_SYS_PRIVS 
        AS 
        SELECT O1.NAME GRANTEE,(SF_GET_SYS_PRIV(SG.PRIVID)) PRIVILEGE,
        (CASE WHEN SG.GRANTABLE = 'Y' THEN 'YES' ELSE 'NO' END) ADMIN_OPTION 
        FROM SYS.SYSOBJECTS O1, SYS.SYSGRANTS SG 
        WHERE O1.ID = SG.URID AND OBJID = -1 AND O1.TYPE$ = 'UR';