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DBMS > AlaSQL vs. Coveo vs. H2 vs. PostGIS

System Properties Comparison AlaSQL vs. Coveo vs. H2 vs. PostGIS

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Editorial information provided by DB-Engines
NameAlaSQL  Xexclude from comparisonCoveo  Xexclude from comparisonH2  Xexclude from comparisonPostGIS  Xexclude from comparison
DescriptionJavaScript DBMS libraryAI-powered hosted search, recommendation and personalization platform providing tools for both low-code and full-code developmentFull-featured RDBMS with a small footprint, either embedded into a Java application or used as a database server.Spatial extension of PostgreSQL
Primary database modelDocument store
Relational DBMS
Search engineRelational DBMSSpatial DBMS
Secondary database modelsSpatial DBMSRelational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.46
Rank#260  Overall
#40  Document stores
#121  Relational DBMS
Score2.28
Rank#114  Overall
#11  Search engines
Score8.13
Rank#49  Overall
#31  Relational DBMS
Score22.69
Rank#29  Overall
#1  Spatial DBMS
Websitealasql.orgwww.coveo.comwww.h2database.compostgis.net
Technical documentationgithub.com/­AlaSQL/­alasqldocs.coveo.comwww.h2database.com/­html/­main.htmlpostgis.net/­documentation
DeveloperAndrey Gershun & Mathias R. WulffCoveoThomas Mueller
Initial release2014201220052005
Current release2.2.220, July 20233.4.2, February 2024
License infoCommercial or Open SourceOpen Source infoMIT-LicensecommercialOpen Source infodual-licence (Mozilla public license, Eclipse public license)Open Source infoGPL v2.0
Cloud-based only infoOnly available as a cloud servicenoyesnono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageJavaScriptJavaC
Server operating systemsserver-less, requires a JavaScript environment (browser, Node.js)hostedAll OS with a Java VM
Data schemeschema-freehybrid - fields need to be configured prior to indexing, but relationships can be exploited at query time without pre-configurationyesyes
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.nononoyes
Secondary indexesnoyesyesyes
SQL infoSupport of SQLClose to SQL99, but no user access control, stored procedures and host language bindings.noyesyes
APIs and other access methodsJavaScript APIRESTful HTTP APIJDBC
ODBC
Supported programming languagesJavaScriptC#
Java
JavaScript
Python
Java
Server-side scripts infoStored proceduresnonoJava Stored Procedures and User-Defined Functionsuser defined functions
Triggersyesyesyesyes
Partitioning methods infoMethods for storing different data on different nodesnoneyesnoneyes infobased on PostgreSQL
Replication methods infoMethods for redundantly storing data on multiple nodesnoneyesWith clustering: 2 database servers on different computers operate on identical copies of a databaseyes infobased on PostgreSQL
MapReduce infoOffers an API for user-defined Map/Reduce methodsnononono
Consistency concepts infoMethods to ensure consistency in a distributed systemnoneImmediate ConsistencyImmediate ConsistencyImmediate Consistency
Foreign keys infoReferential integrityyesyesyesyes
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datayes infoonly for local storage and DOM-storageyesACIDACID
Concurrency infoSupport for concurrent manipulation of datayesyes, multi-version concurrency control (MVCC)yes
Durability infoSupport for making data persistentyes infoby using IndexedDB, SQL.JS or proprietary FileStorageyesyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesyesno
User concepts infoAccess controlnogranular access controls, API key management, content filtersfine grained access rights according to SQL-standardyes infobased on PostgreSQL

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More resources
AlaSQLCoveoH2PostGIS
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