ORACLE 查询一个数据表后通过遍历再插入另一个表中的两种写法

--指定文档所有部门都能查看
declare 
         cursor TABLE_DEPT is SELECT ID,UNAME from g_users where utype=2 and STATUS>-1; 
     begin 
         for c in TABLE_DEPT loop 
           INSERT INTO G_KNOWDOCRIGHT(RID,DIRID,DOCID,USERID)
           VALUES(SYS_GUID(),‘权限编号‘,‘文档编号‘,c.ID);
         end loop; 
     commit; 
     end; 

insert into t_tag (tagid,widgetid,userid,tagname,tagdate) select s_tag_tagid.nextval,widgetid,‘15895829126‘,‘nanjing‘,sysdate from t_widget