title	description	ms.reviewer	ms.topic	ms.date
project-rename operator	Learn how to use the project-rename operator to rename columns in the output table.	alexans	reference	01/16/2023

project-rename operator

Renames columns in the output table.

Syntax

T | project-rename NewColumnName = ExistingColumnName [, ...]

Name	Type	Required	Description
T	`string`	✔️	The input tabular data.
NewColumnName	`string`	✔️	The new column name.
ExistingColumnName	`string`	✔️	The name of the existing column to rename.

A table that has the columns in the same order as in an existing table, with columns renamed.

[!div class="nextstepaction"] Run the query

print a='a', b='b', c='c'
|  project-rename new_b=b, new_a=a

Output

new_a	new_b	c
a	b	c