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This section describes functions that facilitate creation and use of  immutable universally unique identifiers (UUID).

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For information about the uuid type inin Image Added, see Data Types(3.0).

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uuid getUuid() {
    return uuidCreateRandom();   
}

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This function returns the version of a UUID. The version number describes the type of the UUID, e g time-based, DCE security, name-based, and randomly generated UUID. For instance, a UUID generated by the function uuidCreateRandom is 4 (randomly generated UUID).

int uuidGetVersion ( uuid aUuid )

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uuid aUuid = uuidCreateRandom();
string s = (string) aUuid;

uuid aUuid = uuidCreateRandom();
string s = uuidString(aUuid);