Oracle游标使用示例

declare RoomID Room.RoomID%Type; RoomName Room.RoomName%Type; cursor crRoom is select RoomID,RoomName from Room; begin open crRoom;loop（这里不要加分号）fetch crRoom into RoomID,RoomName; exit when crRoom%notFound; end loop; close crRoom; end;
2.游标返回：


begin    open rt_cursor for    select * from dual;    end;

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