Select Columns
select unique cols
let
Source = Sql.Database(p_SqlServer, p_SqlDbName),
Data = Source{[Schema="sch",Item="tbl"]}[Data],
#"Selected Columns" = Table.SelectColumns(Data,{"Date"}),
#"Selected Rows" = Table.SelectRows(#"Selected Columns", each [Date] > RangeStart and [Date] <= RangeEnd),
#"Removed Duplicates" = Table.Distinct(#"Selected Rows"),
#"Local Date Source" = Table.TransformColumns(#"Removed Duplicates", {"Date", each fn_UtcToLocal(Date.AddDays(_,1)), type datetime}),
#"Added YearMonth" = Table.AddColumn(#"Local Date Source", "YearMonth", each Date.Year([Date])*100+Date.Month([Date]), Int64.Type)
in
#"Added YearMonth"