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The "UUID" page has been changed by JamesBathgate. The comment on this change is: Added basic Cassandra information for UUIDs, any base information on UUIDs can be found easily on wikipedia. Should that info be moved here as well?. http://wiki.apache.org/cassandra/UUID -------------------------------------------------- New page: [[http://en.wikipedia.org/wiki/Universally_Unique_Identifier|Universally Unique Identifers]] (UUID) are a standardized unique indentifier in the form of a 128 bit number. In it's canonical form UUIDs are represented by a 32 digit hexadecimal number in the form of xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx. UUIDs are used in column comparison in Cassandra. == LexicalUUIDType == The LexicalUUIDType is used for a non-time based comparison. It is compared lexically, by byte value. == TimeUUIDType == The TimeUUIDType is used for a time based comparison. It uses a [[http://en.wikipedia.org/wiki/Universally_Unique_Identifier#Version_1_.28MAC_address.29|version 1 UUID]].
