INTRODUCTION TO CASSANDRA

TRENDWISE ANALYTICS

Contents

- What is the need of Cassandra (NoSQL)

- Types of NoSQL

- Introduction to Cassandra

- Installing and configuring Cassandra on your machine

- Use Cases

- Motivation

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RDBMS IS SO COOL !!

RDBMS The Awesome and the Not-So-Much

Allows the user to represent complex relationships with the data to insert, select, update, delete, truncate, and merge data.

We can perform a rich variety of operations using functions based on relational algebra to find the desired output.

SQL provides a means of directly creating, altering, and dropping schema structures at runtime.

RDBMS is easy to use and offer a low barrier to entry.

SQL allows you to easily integrate your RDBMS with a wide variety of systems.

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→ Because of some of the inherent design decisions in RDBMS, it is not always as easy to scale.

→ Partitioning tolerance is not supported by RDBMS.

→ Simultaneous write operations in bulk are not possible.

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Installing and Configuring Cassandra

1. Go to cassandra.apache.org/download/2. Download Latest version of Cassandra3. Create the directories (details in

readme.txt)4. Give the path to your JDK5. Run command 'bin/cassandra -f' to start

the server 6. Open a new tab in terminal and start CQL

shell with bin/cqlsh

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YOU'RE READY TO DO THE MAGIC !!

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