ASA SQL Reference
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UNIQUEIDENTIFIER data type [Binary]

Function 

Storage of UUID (also known as GUID) values.

Syntax 

UNIQUEIDENTIFIER

Usage 

The UNIQUEIDENTIFIER data type is binary(16), and stores UUID (Universally Unique Identifier) or GUID (Globally Unique Identifier) values.

UUIDs and GUIDs can be used to uniquely identify rows in a table. The values are generated such that a value produced on one computer will not match a UUID or GUID produced on another computer. They can be used as keys in a replication environment.

Standards and compatibility 

• SQL/92    Vendor extension.

• Sybase    Not supported by Adaptive Server Enterprise.

See also 

The NEWID default

NEWID function [Miscellaneous]

UUIDTOSTR function [STRING]

STRTOUUID function [STRING]