Created
September 1, 2025 13:25
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Explore 'Field Access' in Power Query M from the strict 'Required' to the safer 'Optional' method.
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| let | |
| /* Samples */ | |
| myRecord = [#"1"=1, Two=2], | |
| myTable = Table.FromColumns({{0..2}, {3..5}}), | |
| /* Record | Field Selection or Lookup */ | |
| RecRequiredFieldAccess = [#"1"=1, Two=2][Two], | |
| RecRequiredFieldAccess2 = [#"1"=1, Two=2][Beep], | |
| RecOptionalFieldAccess = [#"1"=1, Two=2][Beep]?, | |
| /* Table | Field Selection or Lookup */ | |
| TblRequiredFieldAccess = Table.FromColumns({{0..2}, {3..5}})[Column1], | |
| TblRequiredFieldAccess2 = Table.FromColumns({{0..2}, {3..5}})[Beep], | |
| TblOptionalFieldAccess = Table.FromColumns({{0..2}, {3..5}})[Beep]? | |
| in | |
| TblOptionalFieldAccess |
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