DBMS > Cassandra vs. SAP IQ vs. TDengine

System Properties Comparison Cassandra vs. SAP IQ vs. TDengine

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Editorial information provided by DB-Engines

Name

Description

Wide-column store based on ideas of BigTable and DynamoDB

Optimized for write access

Columnar RDBMS optimized for Big Data analytics

Time Series DBMS and big data platform

Primary database model

Wide column store

Relational DBMS

column-oriented

Time Series DBMS

Secondary database models

Relational DBMS

DB-Engines Ranking measures the popularity of database management systems
Trend Chart

Score	116.22
Rank	#11	Overall
	#1	Wide column stores

Score	4.51
Rank	#89	Overall
	#44	Relational DBMS

Score	2.40
Rank	#130	Overall
	#10	Time Series DBMS

Website

cassandra.apache.org

www.sap.com/products/sybase-iq-big-data-management.html

github.com/taosdata/TDengine
tdengine.com

Technical documentation

cassandra.apache.org/doc/latest

help.sap.com/iq

docs.tdengine.com

Developer

Apache Software Foundation

Apache top level project, originally developped by Facebook

SAP, formerly Sybase

TDEngine, previously Taos Data

Initial release

2008

1994

2019

Current release

4.1.0, December 2022

16.1 SPS04, April 2019

3.0, August 2022

License

Commercial or Open Source

Open Source

Apache version 2

commercial

Open Source

GPL V3, also commercial editions available

Cloud-based only

Only available as a cloud service

DBaaS offerings (sponsored links)

Database as a Service

Providers of DBaaS offerings, please contact us to be listed.

Aiven for Apache Cassandra: Fully managed, open source NoSQL database specifically designed to be highly available, performant, and scalable.
Astra DB: Multi-cloud DBaaS built on Apache Cassandra.

Implementation language

Java

Server operating systems

BSD
Linux
OS X
Windows

AIX
HP-UX
Linux
Solaris
Windows

Linux
Windows

Data scheme

schema-free

yes

Typing

predefined data types such as float or date

yes

XML support

Some form of processing data in XML format, e.g. support for XML data structures, and/or support for XPath, XQuery or XSLT.

Secondary indexes

restricted

only equality queries, not always the best performing solution

yes

SQL

Support of SQL

SQL-like SELECT, DML and DDL statements (CQL)

yes

Standard SQL with extensions for time-series applications

APIs and other access methods

Proprietary protocol

CQL (Cassandra Query Language, an SQL-like language)
Thrift

ADO.NET
JDBC
ODBC
RESTful HTTP API

JDBC
RESTful HTTP API

Supported programming languages

C#
C++
Clojure
Erlang
Go
Haskell
Java
JavaScript

Node.js
Perl
PHP
Python
Ruby
Scala

C
C#
C++
Java
Perl
PHP
Python
Ruby

C
C#
C++
Go
Java
JavaScript (Node.js)
PHP
Python
Rust

Server-side scripts

Stored procedures

yes

Triggers

yes

yes, via alarm monitoring

Partitioning methods

Methods for storing different data on different nodes

Sharding

no "single point of failure"

shared disk or shared nothing architectures with SAP IQ Multiplexer

Sharding

Replication methods

Methods for redundantly storing data on multiple nodes

selectable replication factor

Representation of geographical distribution of servers is possible

SAP/Sybase Replication Server

yes

MapReduce

Offers an API for user-defined Map/Reduce methods

yes

Hadoop integration

Consistency concepts

Methods to ensure consistency in a distributed system

Eventual Consistency
Immediate Consistency

can be individually decided for each write operation

Immediate Consistency

Foreign keys

Referential integrity

yes

Transaction concepts

Support to ensure data integrity after non-atomic manipulations of data

Atomicity and isolation are supported for single operations

ACID

Concurrency

Support for concurrent manipulation of data

yes

Durability

Support for making data persistent

yes

In-memory capabilities

Is there an option to define some or all structures to be held in-memory only.

User concepts

Access control

Access rights for users can be defined per object

fine grained access rights according to SQL-standard

yes

More information provided by the system vendor

Specific characteristics

Apache Cassandra is the leading NoSQL, distributed database management system, well...
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TDengine™ is an open-source, cloud-native time-series database (TSDB) optimized for...
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Competitive advantages

No single point of failure ensures 100% availability . Operational simplicity for...
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High performance: TDengine is the only time-series database that solves the high-cardinality...
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Typical application scenarios

Internet of Things (IOT), fraud detection applications, recommendation engines, product...
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Internet of Things (IoT) Industrial Internet (IIoT) Connected Cars DevOps Energy...
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Key customers

Apple, Netflix, Uber, ING,, Intuit,Fidelity, NY Times, Outbrain, BazaarVoice, Best...
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Market metrics

Cassandra is used by 40% of the Fortune 100.
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TDengine has garnered over 20,000 stars on GitHub and is used in over 50 countries...
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Licensing and pricing models

Apache licenseÂ Pricing for commercial distributions provided by DataStax and available...
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TDengine Community Edition is open-source software released under the AGPL 3.0 that...
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