Top "Cassandra" questions

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

How do you create the first user in Cassandra DB

How does one create the first user in a cassandra database? I tried: CREATE USER username WITH PASSWORD ""; and its …

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Row count of a column family in Cassandra

Is there a way to get a row count (key count) of a single column family in Cassandra? get_count …

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Is there a clear equivalent of 'show keyspaces' in cqlsh 2?

What cqlsh command can I use to quickly see the keyspaces in a cluster? cqlsh does not provide show keyspaces …

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How to configure cassandra for remote connection

I am trying to configure Cassandra Datastax Community Edition for remote connection on windows, Cassandra Server is installed on a …

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Cassandra UUID vs TimeUUID benefits and disadvantages

Given that TimeUUID handily allows you to use now() in CQL, are there any reasons you wouldn't just go ahead …

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What is the difference between Cassandra and CouchDB?

I'm looking at both projects and I can't really see the difference from Cassandra Site: Cassandra is a highly scalable, …

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Cassandra CQL not equal operator on any column

Hi is there any way I can use != operator using CQL in Cassandra? I am trying to use a != operator …

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java.lang.NoClassDefFoundError: org/apache/spark/Logging

I'm always getting the following error.Can somebody help me please? Exception in thread "main" java.lang.NoClassDefFoundError: org/apache/…

java maven apache-spark cassandra spark-cassandra-connector
MongoDB vs. Redis vs. Cassandra for a fast-write, temporary row storage solution

I'm building a system that tracks and verifies ad impressions and clicks. This means that there are a lot of …

mongodb cassandra redis nosql
Spring boot test "No qualifying bean of type available"

I'm quite a newbie to Spring boot, but here's the problem I'm facing now: // Application.java public class Application { public …

java spring spring-mvc cassandra