我有一表tbl 如下:
col1 col2                 col4
---- -------------------- ----------------------
a    1,2,3,4,5            .net,c#,delph,java,c++
b    4,6                  java,J#
我要查询全部返回xml 结果集:
<tbl>
            <col1>a
            </col1>
            <col2>
              <node id="1">.net</node>
              <node id="2">c#</node>
              <node id="3">delph</node>
              <node id="4">java</node>
              <node id="5">c++</node>
            </col2>
          </tbl>
          <tbl>
            <col1>b
            </col1>
            <col2>
              <node id="4">java</node>
              <node id="6">J#</node>
            </col2>
          </tbl>
这样能否实现?