DBMS > Alibaba Cloud ApsaraDB for PolarDB vs. BigObject vs. Cachelot.io vs. TDengine

System Properties Comparison Alibaba Cloud ApsaraDB for PolarDB vs. BigObject vs. Cachelot.io vs. TDengine

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Editorial information provided by DB-Engines

Name

Description

A cloud-native relational database compatible with MySQL, PostgreSQL, and Oracle. Designed for business critical applications.

Analytic DBMS for real-time computations and queries

In-memory caching system

Time Series DBMS and big data platform

Primary database model

Relational DBMS

a hierachical model (tree) can be imposed

Key-value store

Time Series DBMS

Secondary database models

Relational DBMS

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

Score	0.52
Rank	#237	Overall
	#113	Relational DBMS

Score	0.05
Rank	#329	Overall
	#148	Relational DBMS

Score	0.00
Rank	#354	Overall
	#54	Key-value stores

Score	0.91
Rank	#183	Overall
	#14	Time Series DBMS

Website

www.alibabacloud.com/product/polardb

bigobject.io

cachelot.io

github.com/taosdata/TDengine
tdengine.com

Technical documentation

www.alibabacloud.com/help/doc-detail/58764.htm

docs.bigobject.io

www.taosdata.com/en/documentation

Developer

Alibaba

BigObject, Inc.

Taos Data

Initial release

2015

2019

License

Commercial or Open Source

commercial

free community edition available

Open Source

Simplified BSD License

Open Source

GPL V3, also commercial editions available

Cloud-based only

Only available as a cloud service

yes

DBaaS offerings (sponsored links)

Database as a Service

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

Implementation language

C++

Server operating systems

hosted

Linux

distributed as a docker-image
OS X

distributed as a docker-image (boot2docker)
Windows

distributed as a docker-image (boot2docker)

FreeBSD
Linux
OS X

Linux

Data scheme

yes

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.

yes

Secondary indexes

yes

SQL

Support of SQL

yes

SQL-like DML and DDL statements

SQL-like query language

APIs and other access methods

JDBC
ODBC

fluentd
ODBC
RESTful HTTP API

Memcached protocol

JDBC
RESTful HTTP API

Supported programming languages

Java
Python

.Net
C
C++
ColdFusion
Erlang
Java
Lisp
Lua
OCaml
OCaml
Perl
PHP
Python
Ruby

.Net
C
C++
Go
Java
JavaScript (Node.js)
Lua
Python
Rust

Server-side scripts

Stored procedures

yes

Lua

Triggers

yes

yes, via alarm monitoring

Partitioning methods

Methods for storing different data on different nodes

Sharding

Implicit feature of the cloud service

none

Sharding

Replication methods

Methods for redundantly storing data on multiple nodes

yes

Implicit feature of the cloud service

none

yes

MapReduce

Offers an API for user-defined Map/Reduce methods

Consistency concepts

Methods to ensure consistency in a distributed system

Immediate Consistency

none

Foreign keys

Referential integrity

yes

automatically between fact table and dimension tables

Transaction concepts

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

ACID

Concurrency

Support for concurrent manipulation of data

yes

Read/write lock on objects (tables, trees)

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.

yes

User concepts

Access control

fine grained access rights according to SQL-standard

yes

More information provided by the system vendor

Specific characteristics

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Competitive advantages

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Typical application scenarios

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Market metrics

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Licensing and pricing models

Specification and pricing. You can use either of the following billing methods to...
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Open Source (AGPL v3) Enterprise / Cloud (https://www.taosdata.com/en/support/)
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