Table.TransformColumnTypes Function of Power Query

The Table.TransformColumnTypes function transforms the column types from a table using a type.

Syntax

Table.TransformColumnTypes(
table as table, 
typeTransformations as list, 
optional culture as nullable text) as table 

Example:

Power Query M

let
  MyTable = Table.FromRecords(
    {
      [CustomerID = 1, Name = "Ashish", Phone = "123-4567"], 
      [CustomerID = 2, Name = "Katrina", Phone = "987-6543"], 
      [CustomerID = 3, Name = "Alia", Phone = "543-7890"], 
      [CustomerID = 4, Name = "Vicky", Phone = "676-8479"], 
      [CustomerID = 5, Name = "Mohini", Phone = "574-8864"], 
      [CustomerID = 6, Name = "Meenakshi", Phone = "574-8864"], 
      [CustomerID = 7, Name = "Esha", Phone = "574-8864"], 
      [CustomerID = 8, Name = "Anjali", Phone = "574-8864"]
    }
  ),

Return = Table.TransformColumnTypes(MyTable, {"Name", type text})

in
    Return

The output of the above code is shown below:

Table.TransformColumnTypes function in Power Query