you just have to make random 128 bits and set version bits. And that's all.

This is the way this data type is implemented in Mono ( http://svn.myrealbox.com/source/trunk/mcs/class/corlib/System/Guid.cs).

Using time based GUIDs in database tables is not a good choice for performance reasons because they can not be indexed properly - every newly created time-based GUID is guaranteed to be larger than all previously created, so RDBMS engine must re balance b-tree every time a new GUID item is added to data table.

Sorry, for sending this message three times - problem with Gmail.

Aleksandar Dezelin

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