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Anonymous's avatar
Anonymous
Not applicable
2 years ago
Solved

Difference between Table1 and Table2

I have a 2 tables, both has the same column names col1, col2. Table1 has more data (1000) and Table2 has subset of Table1 (300). I am trying to get the rows into another table which are exists only i...
Need Help
  • HotChilli's avatar
    HotChilli
    2 years ago

    Merge the tables and use an Anti-join. It's all done in the Merge dialog

  • Anonymous's avatar
    Anonymous
    2 years ago
    Below is the script. Had to remove a 3rd column which is being created. 
    let
    Source1 = Table1,
    Source2 = Table2,
     
    DistinctTable1 = Table.Distinct(Table.SelectColumns(Source1, {"col1", "col2"})),
    DistinctTable2 = Table.Distinct(Table.SelectColumns(Source2, {"col1", "col2"})),
     
    Difference = Table.NestedJoin(DistinctTable1, {"col1"}, DistinctTable2, {"col1"}, "DistinctTable2", JoinKind.LeftAnti)
    #"Removed Columns" = Table.RemoveColumns(Difference,{"DistinctTable2"}),
    in
    Difference
Anonymous's avatar
Anonymous
Not applicable
2 years ago
Below is the script. Had to remove a 3rd column which is being created. 
let
Source1 = Table1,
Source2 = Table2,
 
DistinctTable1 = Table.Distinct(Table.SelectColumns(Source1, {"col1", "col2"})),
DistinctTable2 = Table.Distinct(Table.SelectColumns(Source2, {"col1", "col2"})),
 
Difference = Table.NestedJoin(DistinctTable1, {"col1"}, DistinctTable2, {"col1"}, "DistinctTable2", JoinKind.LeftAnti)
#"Removed Columns" = Table.RemoveColumns(Difference,{"DistinctTable2"}),
in
Difference