Tagged Questions
2
votes
1answer
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How should I implement Transaction database EJB 3.0
In the CustomerTransactions entity, I have the following field to record what the customer bought:
@ManyToMany
private List<Item> listOfItemsBought;
When I think more about this field, ...
4
votes
2answers
211 views
Should I use a relational datamodel or Cassandra with ColumnFamily based indexes?
Currently we are working on some storage problems for log data from various servers and communication message logs (HTTP(S), XMPP). There will be many write operations and for read operations we will ...