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DynamoDB vs Cassandra

DynamoDB vs Cassandra

Difference Between DynamoDB vs Cassandra

  • The DynamoDB and Cassandra are NoSQL databases to manage and operate the data of the applications.
  • The DynamoDB and Cassandra are based on key-value for grouping and distributing the hashed value of on the key.
  • The DynamoDB and Cassandra are databases to operate and maintain large-size data using keys and values.
  • The Cassandra was developed by apache to get column-oriented data storage and operate using a column of the database.
  • The DynamoDB offered by Amazon web services to get document-oriented data storage and operate it using documents argument.
  • The DynamoDB
  • The Cassandra is a free, open-source, and distributed NoSQL database for large-size data operations.
  • The DynamoDB is a document-oriented, fully managed, vertical, and horizontal scaling database.
  • The DynamoDB and Cassandra are created a schema-less table to store data and patricians them using a primary key.

Key differences

This database has differences based on the function, features, and operations. The following information explains the difference between DynamoDB and Cassandra databases.

  • The Apache Cassandra is a free and open-source database. The Amazon DynamoDB database pays for usable functions. The DynamoDB database is not free software.
  • The Apache Cassandra is a column-oriented database. This database uses SQL queries. The Amazon DynamoDB database is document-oriented. This database uses JSON format.
  • The DynamoDB creates 250 tables whereas the Cassandra database creates 500 tables.
  • The DynamoDB database stores 400KB of data. The Cassandra data stores 2GB of data. The Cassandra stores more data than the DynamoDB database.
  • The DynamoDB supports faster scans system than the Cassandra database.
  • The Cassandra database supports timestamp, time, counter, UUID data types while the DynamoDB does not use timestamp, time, counter, UUID data types.
  • The DynamoDB is a schemeless database because of the JSON format but the Cassandra database uses the schemas.

Comparison table

DynamoDB-vs-Cassandra-info

The DynamoDB and Cassandra is a database based on the hash key – value. This database has some similarities and differences based on the function, features, and operations. The following table compares between DynamoDB and Cassandra databases.

Function DynamoDB database Cassandra database
Database The DynamoDB database is base on a NoSQL database. The Cassandra database is base on a NoSQL database.
Function The DynamoDB database operates and maintains large size data of the applications. The Cassandra database operates and maintains large size data of the applications.
Developer This database was developed by “Amazon.com”. This database was developed by the Apache software foundation.
License The DynamoDB database is licensed by proprietary software. The Cassandra database is licensed by Apache License 2.0 version.
First release Initially, the DynamoDB database was released in January 2012. Initially, the Cassandra database was released in July 2008.
Format The DynamoDB database is a document-oriented format. The Cassandra database is a column-oriented format.
Table format The database creates a table in a row and column format. The database creates a table in a row and column format.
Programming language This database was created by using java, C#, PHP, Ruby, JavaScript, and Erlang programming languages. This database was created by using a java programming language.
Available language The DynamoDB database information is available in the English language on the official website. The Cassandra database information is available in the English language on the official website.
Query language The DynamoDB database is based on the JSON query language format. The Cassandra database is based on the SQL query language.
Website The DynamoDB database shows updated information on its official websites.

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The Cassandra database shows updated information on its official websites.

Website link:

http://cassandra.apache.org/

 

Type of database The DynamoDB database type is based on operation and data storage.

The database types are document-oriented databases and key-value databases.

The Cassandra database type is based on operation and data storage.

The database type is a NoSQL data store database.

Operating system The DynamoDB database supports cross platforms.

You can work on any operating system of the computer such as Windows, Linux, and others.

The Cassandra database supports cross platforms.

You can work on any operating system of the computer such as Windows, Linux, and others.

Syntax The common operation of the database is displayed table data to users.

The DynamoDB database syntax shows below.

get_item{
TableName: "table name"
}

The common operation of the database is displayed table data to users.

The Cassandra database syntax shows below.

SELECT * FROM table name;

Parameter The get_item keyword is represented then returns table data.

The TableName keyword with the given table name shows the actual table.

The curly bracket is required from start to end database query.

The basic keyword likes select, from, and others necessary to access table data.

The star (*) symbol has represented all columns of the table.

The semi-colon (;) symbol is represented end of the query.

Example The table data shows information. Here, the condition is applied to the table data.

get_item{
TableName: "marks",
Key{
"grade": "A",
"percentage": 85
}
}

The table data shows information. Here, the condition is applied to the table data.

Select * from marks where grade = 'A' AND percentage = 85;

Security DynamoDB provides user authentication and user authorization for security and privacy. The Cassandra provides user authentication and user authorization for security and privacy.
Performance The database supports consistency with more nodes for request and response. The database supports consistency with more nodes for request and response.
Scans ●       The DynamoDB database has an expensive scans system.

●       The DynamoDB database provides fast scans system.

●       The Cassandra database has an expensive scans system.

●       The Cassandra database provides a slower scans system.

Memory size The DynamoDB database has a 400KB item size limitation. This item includes binary and attributes value length. The Cassandra database has a 2GB item size limitation. This item includes binary and attributes value length.
Table The DynamoDB database creates 256 numbers of tables. The Cassandra database creates unlimited tables. But, practically 500 tables create in this database.
Free Software The DynamoDB database software pays only for usable functions. The Cassandra database provides free, open-source software.

Conclusion – DynamoDB vs Cassandra

  • The DynamoDB and Cassandra are flexible NoSQL databases to store data.
  • The DynamoDB and Cassandra are for grouping and distributing the hash- key value.
  • This database helps to manage and operate complicated data of the web applications.

Recommended Articles

This is a guide to DynamoDB vs Cassandra. Here we discuss the DynamoDB vs Cassandra key differences with infographics and comparison table. You may also have a look at the following articles to learn more –

  1. Airflow vs Jenkins
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