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DBMS > AlaSQL vs. OpenQM vs. Oracle Coherence vs. PostgreSQL vs. TerminusDB

System Properties Comparison AlaSQL vs. OpenQM vs. Oracle Coherence vs. PostgreSQL vs. TerminusDB

Editorial information provided by DB-Engines
NameAlaSQL  Xexclude from comparisonOpenQM infoalso called QM  Xexclude from comparisonOracle Coherence  Xexclude from comparisonPostgreSQL  Xexclude from comparisonTerminusDB infoformer name was DataChemist  Xexclude from comparison
DescriptionJavaScript DBMS libraryQpenQM is a high-performance, self-tuning, multi-value DBMSOracles in-memory data grid solutionWidely used open source RDBMS infoDeveloped as objectoriented DBMS (Postgres), gradually enhanced with 'standards' like SQLScalable Graph Database platform making enterprise data available by exploiting inferred entities and relationships
Primary database modelDocument store
Relational DBMS
Multivalue DBMSKey-value storeRelational DBMS infowith object oriented extensions, e.g.: user defined types/functions and inheritance. Handling of key/value pairs with hstore module.Graph DBMS
Secondary database modelsDocument store
Graph DBMS infowith Apache Age
Spatial DBMS
Vector DBMS infowith pgvector extension
Document store
RDF store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.51
Rank#256  Overall
#40  Document stores
#118  Relational DBMS
Score0.34
Rank#284  Overall
#10  Multivalue DBMS
Score1.97
Rank#129  Overall
#22  Key-value stores
Score636.25
Rank#4  Overall
#4  Relational DBMS
Score0.23
Rank#316  Overall
#27  Graph DBMS
Websitealasql.orgwww.rocketsoftware.com/­products/­rocket-multivalue-application-development-platform/­rocket-open-qmwww.oracle.com/­java/­coherencewww.postgresql.orgterminusdb.com
Technical documentationgithub.com/­AlaSQL/­alasqldocs.oracle.com/­en/­middleware/­standalone/­coherencewww.postgresql.org/­docsterminusdb.github.io/­terminusdb/­#
DeveloperAndrey Gershun & Mathias R. WulffRocket Software, originally Martin PhillipsOraclePostgreSQL Global Development Group infowww.postgresql.org/­developerDataChemist Ltd.
Initial release2014199320071989 info1989: Postgres, 1996: PostgreSQL2018
Current release3.4-1214.1, August 202316.3, May 202411.0.0, January 2023
License infoCommercial or Open SourceOpen Source infoMIT-LicenseOpen Source infoGPLv2, extended commercial license availablecommercialOpen Source infoBSDOpen Source infoGPL V3
Cloud-based only infoOnly available as a cloud servicenonononono
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Implementation languageJavaScriptJavaCProlog, Rust
Server operating systemsserver-less, requires a JavaScript environment (browser, Node.js)AIX
FreeBSD
Linux
macOS
Raspberry Pi
Solaris
Windows
All OS with a Java VMFreeBSD
HP-UX
Linux
NetBSD
OpenBSD
OS X
Solaris
Unix
Windows
Linux
Data schemeschema-freeyes infowith some exceptionsschema-freeyesyes
Typing infopredefined data types such as float or datenoyesyesyes
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.noyesnoyes infospecific XML-type available, but no XML query functionality.no
Secondary indexesnoyesnoyes
SQL infoSupport of SQLClose to SQL99, but no user access control, stored procedures and host language bindings.nonoyes infostandard with numerous extensionsSQL-like query language (WOQL)
APIs and other access methodsJavaScript APIJCache
JPA
RESTful HTTP API
ADO.NET
JDBC
native C library
ODBC
streaming API for large objects
OWL
RESTful HTTP API
WOQL (Web Object Query Language)
Supported programming languagesJavaScript.Net
Basic
C
Java
Objective C
PHP
Python
.Net
C++
Java
.Net
C
C++
Delphi
Java infoJDBC
JavaScript (Node.js)
Perl
PHP
Python
Tcl
JavaScript
Python
Server-side scripts infoStored proceduresnoyesnouser defined functions inforealized in proprietary language PL/pgSQL or with common languages like Perl, Python, Tcl etc.yes
Triggersyesyesyes infoLive Eventsyesyes
Partitioning methods infoMethods for storing different data on different nodesnoneyesShardingpartitioning by range, list and (since PostgreSQL 11) by hashGraph Partitioning
Replication methods infoMethods for redundantly storing data on multiple nodesnoneyesyes, with selectable consistency levelSource-replica replication infoother methods possible by using 3rd party extensionsJournaling Streams
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonononono
Consistency concepts infoMethods to ensure consistency in a distributed systemnoneImmediate ConsistencyEventual Consistency
Immediate Consistency
Immediate Consistency
Foreign keys infoReferential integrityyesnonoyesyes
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datayes infoonly for local storage and DOM-storageACIDconfigurableACIDACID
Concurrency infoSupport for concurrent manipulation of datayesyesyesyes
Durability infoSupport for making data persistentyes infoby using IndexedDB, SQL.JS or proprietary FileStorageyesyes infooptionallyyesyes infoin-memory journaling
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesyesno
User concepts infoAccess controlnoAccess rights can be defined down to the item levelauthentification to access the cache via certificates or http basic authenticationfine grained access rights according to SQL-standardRole-based access control

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More resources
AlaSQLOpenQM infoalso called QMOracle CoherencePostgreSQLTerminusDB infoformer name was DataChemist
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