DBMS > Apache Solr vs. Raima Database Manager vs. STSdb

System Properties Comparison Apache Solr vs. Raima Database Manager vs. STSdb

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Editorial information provided by DB-Engines

Name

Description

A widely used distributed, scalable search engine based on Apache Lucene

RDBMS with a small footprint, either embedded into an application or used as a database server

Key-Value Store with special method for indexing

optimized for high performance using a special indexing method

Primary database model

Search engine

Relational DBMS
Time Series DBMS

Key-value store

Secondary database models

Spatial DBMS

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

Score	32.40
Rank	#24	Overall
	#3	Search engines

Score	0.27
Rank	#288	Overall
	#129	Relational DBMS
	#23	Time Series DBMS

Score	0.03
Rank	#361	Overall
	#55	Key-value stores

Website

solr.apache.org

raima.com

github.com/STSSoft/STSdb4

Technical documentation

solr.apache.org/resources.html

docs.raima.com

Developer

Apache Software Foundation

Raima Inc.

STS Soft SC

Initial release

2006

1984

2011

Current release

9.6.1, May 2024

15, June 2021

4.0.8, September 2015

License

Commercial or Open Source

Open Source

Apache Version 2

commercial

Open Source

GPLv2, commercial license available

Cloud-based only

Only available as a cloud service

DBaaS offerings (sponsored links)

Database as a Service

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Implementation language

Java

Server operating systems

All OS with a Java VM

runs as a servlet in servlet container (e.g. Tomcat, Jetty is included)

Android
HP-UX
Integrity RTOS
iOS
Linux
OS X
QNX
Solaris
VxWorks
Windows

Windows

Data scheme

yes

Dynamic Fields enables on-the-fly addition of new fields

yes

Typing

predefined data types such as float or date

yes

supports customizable data types and automatic typing

yes

primitive types and user defined types (classes)

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

Exporting/Importing of XML structures possible

Secondary indexes

yes

All search fields are automatically indexed

yes

SQL

Support of SQL

Solr Parallel SQL Interface

yes

APIs and other access methods

Java API
RESTful HTTP/JSON API

ADO.NET
JDBC
ODBC
RESTful HTTP API

.NET Client API

Supported programming languages

.Net
Erlang
Java
JavaScript
any language that supports sockets and either XML or JSON
Perl
PHP
Python
Ruby
Scala

.Net
C
C++
Objective-C
PL/SQL

C#
Java

Server-side scripts

Stored procedures

Java plugins

yes

based on the ANSI/ISO SQL Persistent Stored Modules (PSM) specification

Triggers

yes

User configurable commands triggered on index changes

yes

Partitioning methods

Methods for storing different data on different nodes

Sharding

horizontal partitioning

none

Replication methods

Methods for redundantly storing data on multiple nodes

yes

Source-replica replication

none

MapReduce

Offers an API for user-defined Map/Reduce methods

spark-solr: github.com/lucidworks/spark-solr and streaming expressions to reduce

Consistency concepts

Methods to ensure consistency in a distributed system

Eventual Consistency

Immediate Consistency or Eventual Consistency depending on configuration

Foreign keys

Referential integrity

yes

Transaction concepts

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

optimistic locking

ACID

Concurrency

Support for concurrent manipulation of data

yes

yes, multi-version concurrency control (MVCC)

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

yes

More information provided by the system vendor

News

RaimaDB and QNX Forge a Powerful Partnership in Embedded Systems
9 July 2024

Raima Unveils RaimaDB 16.0: Elevating Database Performance and User Experience
29 February 2024

Raima Announces Release of Raima Database Manager (RDM) v15, a Powerful Embedded Time Series Database
10 June 2021

Raima Announces Release of Raima Database Manager (RDM) v14.2, a Powerful IoT Edge Embedded Database
8 October 2020

Raima Joins BlackBerry QNX Channel Partner Program to Deliver Safety-Critical and Secure Software Solutions
1 October 2020

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More resources

Recent citations in the news

Migrate from Apache Solr to OpenSearch
18 July 2024, Amazon Web Services

SOLR hand-delivers petition in support of dining workers after vote to authorize strike last week
7 March 2025, The Daily Northwestern

Learn to Evaluate (SOLR) using the Charts
6 April 2025, news.stocktradersdaily.com

Flexible Searching with Solr and Sunspot
7 November 2024, SitePoint

Apache Solr For Windows Vulnerability Allows Arbitrary Path write-access
27 January 2025, CybersecurityNews

provided by Google News

Raima re-bundles their Raima Database Manager packages to align with market trends
14 March 2012, embedded.com

provided by Google News

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