Top "Cassandra" questions

problem on starting cassandra

I download apache-cassandra-0.8.5 for ubuntu and extract it.I read the readme file. I try bellow command in shell: bin/…

java cassandra

Where and Order By Clauses in Cassandra CQL

I am new to NoSQL database and have just started using apache Cassandra. I created a simple table "emp" with …

cassandra cql cql3

Switching from MySQL to Cassandra - Pros/Cons?

For a bit of background - this question deals with a project running on a single small EC2 instance, and …

mysql django migration nosql cassandra

Cassandra: text vs varchar

Does anyone know the difference between the two CQL data types text and varchar in Cassandra? The Cassandra documentation describes …

database cassandra

Cassandra cqlsh - how to show microseconds/milliseconds for timestamp columns?

I'm inserting into a Cassandra table with timestamp columns. The data I have comes with microsecond precision, so the time …

cassandra timestamp cql cqlsh

Why many refer to Cassandra as a Column oriented database?

Reading several papers and documents on internet, I found many contradictory information about the Cassandra data model. There are many …

cassandra nosql data-modeling column-oriented wide-column-store

Redis, CouchDB or Cassandra?

What are the strengths and weaknesses of the various NoSQL databases available? In particular, it seems like Redis is weak …

nosql couchdb cassandra redis

How to use Cassandra in Django framework

Is there any robust way of implementing Cassandra back end to a web application developed using Django web framework?

django cassandra backend

How do secondary indexes work in Cassandra?

Suppose I have a column family: CREATE TABLE update_audit ( scopeid bigint, formid bigint, time timestamp, record_link_id bigint, …

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Cassandra cql: how to select the LAST n rows from a table

I want to verify that rows are getting added to the table. What cql statement would show the last n …

cassandra cql3