PLS-00428: an INTO clause is expected in this SELECT statement

解决:select 后面跟into

SQL> begin

  2    v_xml clob;
  3    for i in (select keyid from tb_intf_rcgdxx_text2 where rownum<1001) loop
  4  select XML  from tb_intf_rcgdxx_text2 tws where tws.keyid=i.keyid for update;
  5  end loop;
  6  end;

  7  /

SQL>

declare

 v_xml clob;

begin

  3    for i in (select keyid from tb_intf_rcgdxx_text2 where rownum<1001) loop
  4  select XML into v_xml from tb_intf_rcgdxx_text2 tws where tws.keyid=i.keyid for update;
  5  end loop;
  6  end;

  7  /