Sql代码 代码如下: — Created on 2010/04/17 by NAN declare — Local variables here i integer; v_date1 DATE; v_date2 DATE; begin — Test statements here v_date1 := SYSDATE; v_date2 := to_date( ‘2008-09-08’); IF v_date1 > v_date2 THEN dbms_output.put_line( ‘