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3 million rows is not an outrageous amount of data. You'd be stretching it for an Access database, but SQL Server, Oracle, DB2, or any number of other RMDBs can handle this much or much more data. If you were looking for state or transactional data streamed in real-time from many, many radio stations or services with tens of thousands of state-checks a day, ...


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You can get the 2-way Sync feature using Couchbase Mobile (client-side) solution and on the backend using Couchbase Server Can check out an example on this blog post


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There is GT.M: http://www.fisglobal.com/products-technologyplatforms-gtm The database engine, made open source in 2000,[1] is maintained by Fidelity Information Services. GT.M is used as the backend of their FIS Profile banking application,[2] and it powers ING DIRECT banks in Spain, France, Italy, Holland, Romania and India; Capital One 360 in ...


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I can save all user_id under a key 'New York', but that's ugly isn't it. No, it isn't ugly and it's very much what any RDBMS does when it maintains an index. The difference with Redis is that it doesn't do that for you so you'll have to do these keys' management in the code. But, what should I do if want to get all user younger than 20, or all user ...


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My largest obstacle right now with Cassandra are the no-join, no order by (since everything is ordered by key for you), and mass update. If your current data structure depends on joins (or aggregation) to pull off the queries you need you won't find a nosql option that includes these. You do have some options: Consider reviewing your current data ...



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