Get data the way you want

Creating a Table You can create a table using the command CREATE TABLE. Given below is the syntax for creating a table. Syntax CREATE (TABLE | COLUMNFAMILY) <tablename> ('<column-definition>' , '<column-definition>')…

Dropping a Keyspace You can drop a KeySpace using the command DROP KEYSPACE. Given below is the syntax for dropping a KeySpace. Syntax DROP KEYSPACE <identifier> i.e. DROP KEYSPACE “KeySpace name”…

Altering a KeySpace ALTER KEYSPACE can be used to alter properties such as the number of replicas and the durable_writes of a KeySpace. Given below is the syntax of this…

Creating a Keyspace using Cqlsh A keyspace in Cassandra is a namespace that defines data replication on nodes. A cluster contains one keyspace per node. Given below is the syntax…

Cassandra provides documented shell commands in addition to CQL commands. Given below are the Cassandra documented shell commands. Help The HELP command displays a synopsis and a brief description of…

This chapter introduces the Cassandra query language shell and explains how to use its commands. By default, Cassandra provides a prompt Cassandra query language shell (cqlsh) that allows users to communicate with…

This chapter covers all the important classes in Cassandra. Cluster This class is the main entry point of the driver. It belongs to com.datastax.driver.core package. Methods S. No.Methods and Description1Session connect()It creates…

Cassandra can be accessed using cqlsh as well as drivers of different languages. This chapter explains how to set up both cqlsh and java environments to work with Cassandra. Pre-Installation…

The data model of Cassandra is significantly different from what we normally see in an RDBMS. This chapter provides an overview of how Cassandra stores its data. Cluster Cassandra database…