Top "Cassandra" questions

Apache Cassandra is a highly scalable, eventually consistent, distributed, structured row/column store.

java.lang.NoClassDefFoundError: ch/qos/logback/core/joran/spi/JoranException while connecting Cassandra DB

I was trying out a simple connection to my Cassandra instance through Java. I made a 'demo' keyspace to cqlsh …

java cassandra datastax
What does "Document-oriented" vs. Key-Value mean when talking about MongoDB vs Cassandra?

What does going with a document based NoSQL option buy you over a KV store, and vice-versa?

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How to list column families in keyspace?

How can I get list of all column families in keyspace in Cassandra using CQL 3?

cassandra cassandra-2.0 cql3 cqlsh
What should I choose: MongoDB/Cassandra/Redis/CouchDB?

We're developing a really big project and I was wondering if anyone can give me some advice about what DB …

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Check CQL version with Cassandra and cqlsh?

How do you check which cql version is currently being used in cqlsh? In sql, you do this: Select @@version

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How does column-oriented NoSQL differ from document-oriented?

The three types of NoSQL databases I've read about is key-value, column-oriented, and document-oriented. Key-value is pretty straight forward - …

mongodb cassandra nosql
How to insert a datetime into a Cassandra 1.2 timestamp column

IMPORTANT If you are dealing with this problem today, use the new cassandra-driver from datastax (i.e. import cassandra) since …

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Apache Cassandra vs Datastax Cassandra

Is Datastax Cassandra the only available Cassandra that can be used in a production environment? Is there any free alternatives …

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SELECT in cassandra where id != null

How do I query in cassandra for != null columns. Select * from tableA where id != null; Select * from tableA where name != …

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How to choose between Cassandra, Membase, Hadoop, MongoDB, RDBMS etc.?

Is there a paper/blog-post on when to use Cassandra or Membase or Hadoop or plain old relational databases ? Is …

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