Returns the specified number of characters from the start of a text string. It come under Text function Dax category.
Syntax:
LEFT(<Text> , <NumberOfCharacters> )
Description:
| SNo. | Parameter | Description |
| 1 | Text | The text string containing the characters you want to extract. |
| 2 | NumberOfCharacters | This is Optional, The number of characters you want LEFT to extract. If omitted, default is 1. |
Let’s start with an example:
Step-1: Sample Dataset as below:
Sample Dataset for DAX String Functions
Step-2: Create a new column, right-click on the dataset and select “New column.”
Create New Column
Step-3: Now, let’s write the LEFT DAX function with one parameter. This function returns the first character from the left side of the text.
Left_Default = LEFT(Orders[Product Sub-Category])
Step-4: Add an additional column and utilize the LEFT DAX function with two parameters. This function extracts the first five characters from the left side of the given data.
Left_With_Position = LEFT(Orders[Product Sub-Category],5)
Step-5: Drag both of the new columns onto the Table visual and observe the resulting output.
LEFT DAX Function
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