This time we’re going bigger than ever. Fabric, Power BI, SQL, AI and more. We're covering it all. You won't want to miss it.
Learn moreLevel up your Power BI skills this month - build one visual each week and tell better stories with data! Get started
Hi All,
My dataset has two columns (Divison & Department). The normal sequence is from Division to Department (so each Div have multi Dep). I am trying to get a sub-index for the department in power query but with no luck. The expected outcome is below:
Thanks in advance.
Solved! Go to Solution.
Excel worksheet formula is powerful enough to solve this simple question,
| Thanks to the great efforts by MS engineers to simplify syntax of DAX! Most beginners are SUCCESSFULLY MISLED to think that they could easily master DAX; but it turns out that the intricacy of the most frequently used RANKX() is still way beyond their comprehension! |
DAX is simple, but NOT EASY! |
Here's a Power Query option that may work for you. See attached PBIX.
| Have I solved your problem? Please click Accept as Solution so I don't keep coming back to this post, oh yeah, others may find it useful also ;). |
Excel worksheet formula is powerful enough to solve this simple question,
| Thanks to the great efforts by MS engineers to simplify syntax of DAX! Most beginners are SUCCESSFULLY MISLED to think that they could easily master DAX; but it turns out that the intricacy of the most frequently used RANKX() is still way beyond their comprehension! |
DAX is simple, but NOT EASY! |
For fun only, a "Russian nesting doll" solution in PQ,
let
NestingDoll = (tbl as table, keyCol as text) => Table.AddIndexColumn(Table.Group(tbl, keyCol, {"ar", each _}), keyCol & "-ID", 1, 1),
Source = Table.FromRows(Json.Document(Binary.Decompress(Binary.FromText("i45WclTSUXI0VIrVwWQagZlOQKaTISGmETrTGch0NiTERFJrrBQbCwA=", BinaryEncoding.Base64), Compression.Deflate)), let _t = ((type nullable text) meta [Serialized.Text = true]) in type table [Division = _t, Department = _t]),
Layer1 = NestingDoll(Source, "Division"),
Layer2 = Table.TransformColumns(Layer1, {"ar", each NestingDoll(_, "Department")}),
#"Expanded ar" = Table.ExpandTableColumn(Layer2, "ar", {"ar", "Department-ID"}),
#"Expanded ar.1" = Table.ExpandTableColumn(#"Expanded ar", "ar", {"Department"})
in
#"Expanded ar.1"
| Thanks to the great efforts by MS engineers to simplify syntax of DAX! Most beginners are SUCCESSFULLY MISLED to think that they could easily master DAX; but it turns out that the intricacy of the most frequently used RANKX() is still way beyond their comprehension! |
DAX is simple, but NOT EASY! |
Check out the April 2026 Power BI update to learn about new features.
Sign up to receive a private message when registration opens and key events begin.
If you have recently started exploring Fabric, we'd love to hear how it's going. Your feedback can help with product improvements.