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DBMS > AlaSQL vs. Dgraph vs. H2 vs. MaxDB vs. OpenSearch

System Properties Comparison AlaSQL vs. Dgraph vs. H2 vs. MaxDB vs. OpenSearch

Editorial information provided by DB-Engines
NameAlaSQL  Xexclude from comparisonDgraph  Xexclude from comparisonH2  Xexclude from comparisonMaxDB infoformerly named Adabas-D  Xexclude from comparisonOpenSearch  Xexclude from comparison
DescriptionJavaScript DBMS libraryDistributed and scalable native Graph DBMSFull-featured RDBMS with a small footprint, either embedded into a Java application or used as a database server.A robust and reliable RDBMS optimized to run all major SAP solutionsA distributed, RESTful search and analytics engine forked from Elasticsearch and based on Apache Lucene
Primary database modelDocument store
Relational DBMS
Graph DBMSRelational DBMSRelational DBMSSearch engine
Secondary database modelsSpatial DBMSVector DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.42
Rank#264  Overall
#42  Document stores
#122  Relational DBMS
Score1.39
Rank#155  Overall
#15  Graph DBMS
Score7.57
Rank#47  Overall
#30  Relational DBMS
Score2.15
Rank#115  Overall
#55  Relational DBMS
Score16.31
Rank#36  Overall
#4  Search engines
Websitealasql.orgdgraph.iowww.h2database.commaxdb.sap.comgithub.com/­opensearch-project
opensearch.org
Technical documentationgithub.com/­AlaSQL/­alasqldgraph.io/­docswww.h2database.com/­html/­main.htmlmaxdb.sap.com/­documentationopensearch.org/­docs/­latest
DeveloperAndrey Gershun & Mathias R. WulffDgraph Labs, Inc.Thomas MuellerSAP, acquired from Software AG (Adabas-D) in 1997Amazon Web Services
Initial release20142016200519842021
Current release2.2.220, July 20237.9.10.12, February 20242.5.0, January 2023
License infoCommercial or Open SourceOpen Source infoMIT-LicenseOpen Source infoApache 2.0Open Source infodual-licence (Mozilla public license, Eclipse public license)commercial infoLimited community edition freeOpen Source infoApache Version 2.0
Cloud-based only infoOnly available as a cloud servicenonononono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
STACKIT OpenSearch offers OpenSearch in a managed version in enterprise grade, 100% GDPR-compliant, for a wide range of applications like analytics, website search, offering scalability and fast data access.
Implementation languageJavaScriptGoJavaC++Java
Server operating systemsserver-less, requires a JavaScript environment (browser, Node.js)Linux
OS X
Windows
All OS with a Java VMAIX
HP-UX
Linux
Solaris
Windows
All OS with a Java VM
Data schemeschema-freeschema-freeyesyesschema-free infoFlexible type definitions. Once a type is defined, it is persistent
Typing infopredefined data types such as float or datenoyesyesyesyes
XML support infoSome form of processing data in XML format, e.g. support for XML data structures, and/or support for XPath, XQuery or XSLT.nononono
Secondary indexesnoyesyesyesyes infoAll search fields are automatically indexed
SQL infoSupport of SQLClose to SQL99, but no user access control, stored procedures and host language bindings.noyesyesSQL-like query language
APIs and other access methodsJavaScript APIGraphQL query language
gRPC (using protocol buffers) API
HTTP API
JDBC
ODBC
ADO.NET
JDBC
ODBC
WebDAV
Java API
RESTful HTTP/JSON API
Supported programming languagesJavaScriptC#
C++
Go
Java
JavaScript (Node.js)
PHP
Python
Ruby
Java.Net
C#
Java
Perl
PHP
Python
Go
Java
JavaScript (Node.js)
PHP
Python
Ruby infoElasticsearch client
Server-side scripts infoStored proceduresnonoJava Stored Procedures and User-Defined Functionsyesyes
Triggersyesnoyesyesyes infoby using the 'percolation' feature
Partitioning methods infoMethods for storing different data on different nodesnoneyesnonenoneSharding
Replication methods infoMethods for redundantly storing data on multiple nodesnoneSynchronous replication via RaftWith clustering: 2 database servers on different computers operate on identical copies of a databaseSource-replica replicationyes
MapReduce infoOffers an API for user-defined Map/Reduce methodsnononono
Consistency concepts infoMethods to ensure consistency in a distributed systemnoneImmediate ConsistencyImmediate ConsistencyImmediate ConsistencyEventual Consistency infoSynchronous doc based replication. Get by ID may show delays up to 1 sec. Configurable write consistency: one, quorum, all
Foreign keys infoReferential integrityyesnoyesyesno
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datayes infoonly for local storage and DOM-storageACIDACIDACIDno
Concurrency infoSupport for concurrent manipulation of datayesyes, multi-version concurrency control (MVCC)yesyes
Durability infoSupport for making data persistentyes infoby using IndexedDB, SQL.JS or proprietary FileStorageyesyesyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesyesno
User concepts infoAccess controlnono infoPlanned for future releasesfine grained access rights according to SQL-standardfine grained access rights according to SQL-standard
More information provided by the system vendor
AlaSQLDgraphH2MaxDB infoformerly named Adabas-DOpenSearch
Specific characteristicsOpenSearch is a highly scalable and extensible open-source software suite for search,...
» more
Competitive advantagesDistributed as fully open source under Apache License, Version 2.0 (ALv2), OpenSearch...
» more
Typical application scenariosThe OpenSearch platform is used across a broad range of search , analytics, and observability...
» more
Licensing and pricing modelsThe OpenSearch Project offers open source software licensed under Apache License...
» more

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More resources
AlaSQLDgraphH2MaxDB infoformerly named Adabas-DOpenSearch
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