What is the method for installing and using Cassandra?

Here are the steps for installing and using Cassandra, an open-source distributed database management system designed for high scalability and performance as a NoSQL database.

1. Download Cassandra: Visit the official Cassandra website (http://cassandra.apache.org/) to download the latest version of Cassandra.
2. Decompress files: Unzip the downloaded Cassandra compressed file into the directory of your choice.
3. Setting up Cassandra: Navigate to the directory where Cassandra is unpacked, locate the “conf” folder within the directory. Inside the “conf” folder, find the “cassandra.yaml” file and open it using a text editor.
4. Configure Node Properties: In the “cassandra.yaml” file, you can set various properties of the Cassandra nodes, such as listening address, data storage path, and read/write concurrency. Adjust the necessary properties according to your requirements.
5. Start Cassandra: In the command line, navigate to the directory where Cassandra is extracted and execute the following command to start the Cassandra service:
6. Start Cassandra by running the command “./bin/cassandra”
7. Cassandra will start in the background and log the relevant information to the terminal.
8. Connect to Cassandra: Open a new terminal window and navigate to the directory where Cassandra is extracted. Run the following command to connect to Cassandra:
9. launch cqlsh from the bin directory
10. This will open a CQL shell, where you can execute Cassandra queries and commands.
11. Using Cassandra: in the CQL shell, you can run various Cassandra queries and commands. For example, creating and managing database tables, inserting and querying data, and more.

These are the basic steps for installing and using Cassandra. You can further explore the features and usage of Cassandra to better utilize it according to your needs.