PowerQuery M Reference Guide
Accessing data functions
Binary functions
Combiner functions
Comparer functions
Date functions
DateTime functions
DateTimeZone functions
Duration functions
Error handling
Expression functions
Function values
Lines functions
List functions
Logical functions
Number functions
Record functions
Replacer functions
Splitter functions
Table functions
ExtraValues.Error
ExtraValues.Ignore
ExtraValues.List
GroupKind.Global
GroupKind.Local
ItemExpression.From
ItemExpression.Item
JoinAlgorithm.Dynamic
JoinAlgorithm.LeftHash
JoinAlgorithm.LeftIndex
JoinAlgorithm.PairwiseHash
JoinAlgorithm.RightHash
JoinAlgorithm.RightIndex
JoinAlgorithm.SortMerge
JoinKind.FullOuter
JoinKind.Inner
JoinKind.LeftAnti
JoinKind.LeftOuter
JoinKind.RightAnti
JoinKind.RightOuter
JoinSide.Left
JoinSide.Right
Occurrence.All
Occurrence.First
Occurrence.Last
Order.Ascending
Order.Descending
RowExpression.Column
RowExpression.From
RowExpression.Row
#table
Table.AddColumn
Table.AddFuzzyClusterColumn
Table.AddIndexColumn
Table.AddJoinColumn
Table.AddKey
Table.AggregateTableColumn
Table.AlternateRows
Table.ApproximateRowCount
Table.Buffer
Table.Column
Table.ColumnCount
Table.ColumnNames
Table.ColumnsOfType
Table.Combine
Table.CombineColumns
Table.CombineColumnsToRecord
Table.ConformToPageReader
Table.Contains
Table.ContainsAll
Table.ContainsAny
Table.DemoteHeaders
Table.Distinct
Table.DuplicateColumn
Syntax
About
Table.ExpandListColumn
Table.ExpandRecordColumn
Table.ExpandTableColumn
Table.FillDown
Table.FillUp
Table.FilterWithDataTable
Table.FindText
Table.First
Table.FirstN
Table.FirstValue
Table.FromColumns
Table.FromList
Table.FromPartitions
Table.FromRecords
Table.FromRows
Table.FromValue
Table.FuzzyGroup
Table.FuzzyJoin
Table.FuzzyNestedJoin
Table.Group
Table.HasColumns
Table.InsertRows
Table.IsDistinct
Table.IsEmpty
Table.Join
Table.Keys
Table.Last
Table.LastN
Table.MatchesAllRows
Table.MatchesAnyRows
Table.Max
Table.MaxN
Table.Min
Table.MinN
Table.NestedJoin
Table.Partition
Table.PartitionValues
Table.Pivot
Table.PositionOf
Table.PositionOfAny
Table.PrefixColumns
Table.Profile
Table.PromoteHeaders
Table.Range
Table.RemoveColumns
Table.RemoveFirstN
Table.RemoveLastN
Table.RemoveMatchingRows
Table.RemoveRows
Table.RemoveRowsWithErrors
Table.RenameColumns
Table.ReorderColumns
Table.Repeat
Table.ReplaceErrorValues
Table.ReplaceKeys
Table.ReplaceMatchingRows
Table.ReplaceRelationshipIdentity
Table.ReplaceRows
Table.ReplaceValue
Table.ReverseRows
Table.RowCount
Table.Schema
Table.SelectColumns
Table.SelectRows
Table.SelectRowsWithErrors
Table.SingleRow
Table.Skip
Table.Sort
Table.Split
Table.SplitAt
Table.SplitColumn
Table.ToColumns
Table.ToList
Table.ToRecords
Table.ToRows
Table.TransformColumnNames
Table.TransformColumns
Table.TransformColumnTypes
Table.TransformRows
Table.Transpose
Table.Unpivot
Table.UnpivotOtherColumns
Table.View
Table.ViewFunction
Tables.GetRelationships
Text functions
Time functions
Type functions
Uri functions
Value functions
PowerQuery M Reference Guide
»
Table functions
»
Table.DuplicateColumn
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Table.DuplicateColumn
Microsoft Docs:
Table.DuplicateColumn
Syntax
Syntax
for
this
function
.
About
About this function.