DBMS > Alibaba Cloud ApsaraDB for PolarDB vs. Graph Engine vs. Oracle Rdb vs. SAP Advantage Database Server

System Properties Comparison Alibaba Cloud ApsaraDB for PolarDB vs. Graph Engine vs. Oracle Rdb vs. SAP Advantage Database Server

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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.

A distributed in-memory data processing engine, underpinned by a strongly-typed RAM store and a general distributed computation engine

Low-cost RDBMS with access to ISAM and FoxPro data structures

Primary database model

Relational DBMS

Graph DBMS
Key-value store

Relational DBMS

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

Score	0.50
Rank	#240	Overall
	#116	Relational DBMS

Score	0.88
Rank	#187	Overall
	#16	Graph DBMS
	#31	Key-value stores

Score	1.18
Rank	#161	Overall
	#75	Relational DBMS

Score	3.66
Rank	#91	Overall
	#48	Relational DBMS

Website

www.alibabacloud.com/product/polardb

www.graphengine.io

www.oracle.com/technetwork/database/database-technologies/rdb/overview/index.html

www.sap.com/products/advantage-database-server.html

Technical documentation

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

www.graphengine.io/docs/manual

Developer

Alibaba

Microsoft

Oracle, originally developed by Digital Equipment Corporation (DEC)

Sybase, SAP

Initial release

2010

1984

1993

Current release

7.4.1.1, 2021

License

Commercial or Open Source

commercial

Open Source

MIT License

commercial

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

.NET and C

Server operating systems

hosted

.NET

HP Open VMS

Linux
Windows

Data scheme

yes

Flexible Schema (defined schema, partial schema, 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

APIs and other access methods

JDBC
ODBC

RESTful HTTP API

.NET Client API
ADO.NET
JDBC
ODBC
OLE DB

Supported programming languages

Java
Python

C#
C++
F#
Visual Basic

Delphi
Perl
PHP

Server-side scripts

Stored procedures

yes

Triggers

yes

Partitioning methods

Methods for storing different data on different nodes

Sharding

Implicit feature of the cloud service

horizontal partitioning

none

Replication methods

Methods for redundantly storing data on multiple nodes

yes

Implicit feature of the cloud service

Multi-source replication

CONFLICT Trigger to resolve replication conflicts
Source-replica replication

MapReduce

Offers an API for user-defined Map/Reduce methods

Consistency concepts

Methods to ensure consistency in a distributed system

Immediate Consistency

Foreign keys

Referential integrity

yes

Transaction concepts

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

ACID

yes, on a single node

ACID

Concurrency

Support for concurrent manipulation of data

yes

Durability

Support for making data persistent

yes

optional: either by committing a write-ahead log (WAL) to the local persistent storage or by dumping the memory to a persistent storage

yes

In-memory capabilities

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

yes

caching of (temporary) tables can be configured

User concepts

Access control

fine grained access rights according to SQL-standard

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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Licensing and pricing models

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More resources

Recent citations in the news

Alibaba Cloud Doubles Database Products Revenue YoY with 150,000 Customers Worldwide
16 January 2022, Yahoo Finance

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provided by Google News

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13 February 2017, InfoWorld

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24 February 2021, ZDNet

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6 June 2012, Ars Technica

provided by Google News

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