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Cassandra query language

Cassandra query language

Name: Cassandra query language

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This document describes the Cassandra Query Language (CQL) [1]. CQL offers a model close to SQL in the sense that data is put in tables containing rows of. Welcome to the CQL documentation provided by DataStax. To ensure that you get the best experience in using this document, take a moment to look at the Tips . The Cassandra Query Language (CQL) is the primary language for communicating with the Apache Cassandra™ database. The most basic way to interact with.

A SELECT statement reads one or more records from a Cassandra table. . The syntax used in the WHERE clause compares records of steward_name and. SELECT. Retrieve data from a Cassandra table. Returns one or more rows from a single indicates that you can repeat the syntax element as often as required. Applies multiple data modification language (DML) statements with atomicity and/ or in isolation. CREATE AGGREGATE Create user-defined aggregate.

23 Nov The Cassandra Query Language (CQL) was created to provide the necessary abstraction. CQL is purposefully similar to Structured Query. 16 May In this article, you will learn- Insert Data Upsert Data Update Data Delete Data Read Data Insert Data Command 'Insert into' writes data in. 22 Feb Cassandra Query Language or CQL is a declarative language that enables users to query Cassandra using a language similar to SQL. CQL. Cassandra Cqlsh - Learn cassandra in simple and easy steps starting from This chapter introduces the Cassandra query language shell and explains how to . 30 Jul Having started Cassandra as the cassandra user, I connected to the Cassandra Query Language Shell (cqlsh) to learn how to write CQL.


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