title	description	ms.reviewer	ms.topic	ms.date
The guid data type	This article describes The guid data type in Azure Data Explorer.	orspodek	reference	01/08/2024

The guid data type

The guid data type represents a 128-bit globally unique value.

The guid, uuid, and uniqueid data types are equivalent.

`guid` literals

To specify a guid literal, use one of the following syntax options:

Syntax	Description	Example
`guid(`id`)`	A guid ID string.	`guid(74be27de-1e4e-49d9-b579-fe0b331d3642)`
`guid(null)`	Represents the null value.