An interesting Power Query nugget for you: you can compare two tables using the Value.Equals() function. For example, take the following worksheet with five Excel tables on it:
The following Power Query query compares Table 1 with each of the other four tables and tells me whether they are identical or not:
let
Table1 = Excel.CurrentWorkbook(){[Name="Table1"]}[Content], Table2 = Excel.CurrentWorkbook(){[Name="Table2"]}[Content], Table3 = Excel.CurrentWorkbook(){[Name="Table3"]}[Content], Table4 = Excel.CurrentWorkbook(){[Name="Table4"]}[Content], Table5 = Excel.CurrentWorkbook(){[Name="Table5"]}[Content],Output = Table.FromRows(
{ {"Table2", Value.Equals(Table1, Table2)}, {"Table3", Value.Equals(Table1, Table3)}, {"Table4", Value.Equals(Table1, Table4)}, {"Table5", Value.Equals(Table1, Table5)}},
{"Compared Table", "Is Equal ToTable 1"})
inOutput
All the code here is doing is loading the five Excel tables and then outputting a single table that shows the result of Value.Equals() when you compare the first table with the other four. Here’s the output:
I’ve tested…
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