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Apache Cassandra is an extremely accessible, high-performance distributed database intended to handle big quantities of data through many commodity servers, providing high accessibility with no single point of letdown. It is a type of NoSQL database. Let us first understand what a NoSQL database does.
A NoSQL database (sometimes called as Not Only SQL) is a database that delivers a mechanism to store and retrieve data other than the tabular relations used in relational databases. These databases are schema-free, support easy replication, have simple API, eventually consistent, and can handle huge amounts of data.
The primary objective of a NoSQL database is to have
NoSql databases use altered data structures related to relational databases. It creates some operations faster in NoSQL. The suitability of a given NoSQL database depends on the problem it must solve.
The following table lists the points that differentiate a relational database from a NoSQL database.
Relational Database |
NoSql Database |
Supports powerful query language. |
Supports very simple query language. |
It has a fixed schema. |
No fixed schema. |
Follows ACID (Atomicity, Consistency, Isolation, and Durability). |
It is only “eventually consistent”. |
Supports transactions. |
Does not support transactions. |
In addition to Cassandra, we have the subsequent NoSQL databases that are fairly popular:
Apache Cassandra is an open source, distributed and decentralized/distributed storage system (database), for handling very big quantities of structured data spread out across the world. It delivers extremely obtainable facility with no single point of letdown.
Listed below are some of the notable points of Apache Cassandra:
Cassandra has turn out to be so widespread because of its outstanding technical features. Given below are some of the features of Cassandra:
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Apache Cassandra Related Practice Tests |
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Apache HBase Practice Tests |
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