1 尝试是否可以用Union语句:select a,b from A表 union select a,b from B表
2 rst1.open "select a,b from A表",cnn,静态,可更新
rst1.ActiveConnection=nothing
rst2.open "select c,d from A表"
do unitl rst2.eof
rst1.addnew
rst1.filed(0).value=rst2.filed(0).value
rst1.filed(1).value=rst2.filed(1).value
rst2.movenext
loop