DBMS > Ehcache vs. Microsoft SQL Server vs. Realm vs. Stardog

System Properties Comparison Ehcache vs. Microsoft SQL Server vs. Realm vs. Stardog

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Editorial information provided by DB-Engines

Name

Description

A widely adopted Java cache with tiered storage options

Microsofts relational DBMS

A DBMS built for use on mobile devices that’s a fast, easy to use alternative to SQLite and Core Data

Enterprise Knowledge Graph platform and graph DBMS with high availability, high performance reasoning, and virtualization

Primary database model

Secondary database models

Document store
Graph DBMS

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

Score	7.27
Rank	#55	Overall
	#7	Key-value stores

Score	1031.23
Rank	#3	Overall
	#3	Relational DBMS

Score	9.38
Rank	#43	Overall
	#8	Document stores

Score	1.47
Rank	#144	Overall
	#11	Graph DBMS
	#6	RDF stores

Website

www.ehcache.org

www.microsoft.com/en-us/sql-server

realm.io

www.stardog.com

Technical documentation

www.ehcache.org/documentation

docs.microsoft.com/en-US/sql/sql-server

realm.io/docs

www.stardog.com/docs

Developer

Terracotta Inc, owned by Software AG

Microsoft

Realm, acquired by MongoDB in May 2019

Stardog-Union

Initial release

2009

1989

2014

2010

Current release

3.8.1, September 2019

SQL Server 2019, November 2019

7.3.0, May 2020

License

Commercial or Open Source

Open Source

Apache Version 2; commercial licenses available

commercial

restricted free version is available

Open Source

commercial

60-day fully-featured trial license; 1-year fully-featured non-commercial use license for academics/students

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.

Implementation language

Java

C++

Java

Server operating systems

All OS with a Java VM

Linux
Windows

Android
Backend: server-less
iOS
Windows

Linux
macOS
Windows

Data scheme

schema-free

yes

schema-free and OWL/RDFS-schema support

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

Import/export of XML data possible

Secondary indexes

yes

supports real-time indexing in full-text and geospatial

SQL

Support of SQL

yes

Yes, compatible with all major SQL variants through dedicated BI/SQL Server

APIs and other access methods

JCache

ADO.NET
JDBC
ODBC
OLE DB
Tabular Data Stream (TDS)

GraphQL query language
HTTP API
Jena RDF API
OWL
RDF4J API
Sesame REST HTTP Protocol
SNARL
SPARQL
Spring Data
Stardog Studio
TinkerPop 3

Supported programming languages

Java

C#
C++
Delphi
Go
Java
JavaScript (Node.js)
PHP
Python
R
Ruby
Visual Basic

.Net
Java

with Android only
Objective-C
React Native
Swift

.Net
Clojure
Groovy
Java
JavaScript
Python
Ruby

Server-side scripts

Stored procedures

Transact SQL, .NET languages, R, Python and (with SQL Server 2019) Java

runs within the applications so server-side scripts are unnecessary

user defined functions and aggregates, HTTP Server extensions in Java

Triggers

yes

Cache Event Listeners

yes

Change Listeners

yes

via event handlers

Partitioning methods

Methods for storing different data on different nodes

Sharding

by using Terracotta Server

tables can be distributed across several files (horizontal partitioning); sharding through federation

none

Replication methods

Methods for redundantly storing data on multiple nodes

yes

by using Terracotta Server

yes, but depending on the SQL-Server Edition

none

Multi-source replication in HA-Cluster

MapReduce

Offers an API for user-defined Map/Reduce methods

Consistency concepts

Methods to ensure consistency in a distributed system

Tunable Consistency (Strong, Eventual, Weak)

Immediate Consistency

Immediate Consistency in HA-Cluster

Foreign keys

Referential integrity

yes

relationships in graphs

Transaction concepts

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

yes

supports JTA and can work as an XA resource

ACID

Concurrency

Support for concurrent manipulation of data

yes

Durability

Support for making data persistent

yes

using a tiered cache-storage approach

yes

In-memory capabilities

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

yes

In-Memory realm

yes

User concepts

Access control

fine grained access rights according to SQL-standard

yes

Access rights for users and roles

More information provided by the system vendor

Specific characteristics

Now a part of MongoDB Data Platform , Realm Database is the fast, easy to use, and...
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Stardog is an Enterprise Knowledge Graph platform, uniquely combining graph storage...
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Competitive advantages

Realm ensures offline-first functionality, meaning apps run smoothly and deliver...
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Stardog provides a full featureset to aid in data integration for your complex data....
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Typical application scenarios

Mobile Consumer Apps First-Line Worker Apps
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Stardog is frequently used for: Anti-money laundering & fraud monitoring Customer...
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Key customers

Cathay Pacific Royal Carribbean Cruise Lines Open Source Database powers apps built...
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Bosch, Dow Jones, Elsevier, Ericsson, Morgan Stanley, NASA, NIH, Nokia, Salesforce,...
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Market metrics

Used by 100,000+ developers 2 bn installs Currently used in 40k+ applications in...
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Stardog's technology is based on ground-breaking research by our founders cited 10,000+...
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Licensing and pricing models

Realm database is licensed under the Apache License v2.0.
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A fully-featured 60-day Trial license is available for those testing Stardog; contact...
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