Dim bm As String = "统计表1"
Dim b As New SQLGroupTableBuilder(bm,"成绩")
b.Groups.AddDef("学号")
b.Groups.AddDef("姓名")
For Each kc As String In DataTables("成绩").GetValues("课程","课程 Is not null")
b.Totals.AddExp(kc,"iif(课程='" & kc & "',成绩,0)")
Next
b.Filter = "姓名 is not null"
b.Build
Tables(bm).AutoSizeCols
MainTable = Tables(bm)