let
    SampleTable = Table.FromRecords({
        [CustomerID = 1, Name = "Bob", Amount = 100],
        [CustomerID = 2, Name = "Jim", Amount = 200]
    }),
    Result = Table.ToColumns(SampleTable)
in
    Result

let
    Source = Table.FromRows(
        {{"Alice", 1500}, {"Bob", 2000}, {"Charlie", 1800}},
        {"Employee", "Salary"}
    ),
    ColumnsList = Table.ToColumns(Source),
    FirstColumn = ColumnsList{0},
    SecondColumn = ColumnsList{1}
in
    ColumnsList

let
    Source = Table.FromRecords({
        [ID = 1, Value = 10],
        [ID = 2, Value = 20],
        [ID = 3, Value = 30]
    }),
    ColumnsList = Table.ToColumns(Source),
    SecondColumnDoubled = List.Transform(ColumnsList{1}, each _ * 2),
    Result = {ColumnsList{0}, SecondColumnDoubled}
in
    Result

let
    Source = Table.FromRecords({
        [A = 1, B = 2, C = 3],
        [A = 4, B = 5, C = 6],
        [A = 7, B = 8, C = 9]
    }),
    ColumnsList = Table.ToColumns(Source),
    ColumnCount = List.Count(ColumnsList),
    RowCount = List.Count(ColumnsList{0})
in
    {ColumnCount, RowCount}