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Your last claim is not true. Most NoSQLs don't have transactions thus can't have any ACID properties. ACID is all about transactions in the first place.
by kunley 17y ago
Your last claim is not true. Most NoSQLs don't have transactions thus can't have any ACID properties. ACID is all about transactions in the first place.
- jrockway 17y agoBDB and Tokyo Cabinet have transactions, and so does everything built on top of these (KiokuDB, Memcachedb, etc.) Mongo, Couch, and Cassandra don't have transactions over the entire database, but documents must be self-contained and must not refer to other documents. Following those rules, operations are atomic, consistent, isolated, and durable. "Useful" is not one of the ACID qualifiers, however :)