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DBMS > AlaSQL vs. Alibaba Cloud TSDB vs. H2 vs. PostGIS

System Properties Comparison AlaSQL vs. Alibaba Cloud TSDB vs. H2 vs. PostGIS

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Editorial information provided by DB-Engines
NameAlaSQL  Xexclude from comparisonAlibaba Cloud TSDB  Xexclude from comparisonH2  Xexclude from comparisonPostGIS  Xexclude from comparison
DescriptionJavaScript DBMS libraryA stable, reliable, and cost-effective online high-performance time series database serviceFull-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
Time Series DBMSRelational DBMSSpatial DBMS
Secondary database modelsSpatial DBMSRelational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.53
Rank#258  Overall
#40  Document stores
#119  Relational DBMS
Score0.18
Rank#332  Overall
#31  Time Series DBMS
Score8.14
Rank#50  Overall
#32  Relational DBMS
Score24.72
Rank#29  Overall
#1  Spatial DBMS
Websitealasql.orgwww.alibabacloud.com/­product/­hitsdbwww.h2database.compostgis.net
Technical documentationgithub.com/­AlaSQL/­alasqlwww.alibabacloud.com/­help/­en/­time-series-database/­latest/­what-is-tsdbwww.h2database.com/­html/­main.htmlpostgis.net/­documentation
DeveloperAndrey Gershun & Mathias R. WulffAlibabaThomas Mueller
Initial release201420052005
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

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Implementation languageJavaScriptJavaC
Server operating systemsserver-less, requires a JavaScript environment (browser, Node.js)hostedAll OS with a Java VM
Data schemeschema-freeschema-freeyesyes
Typing infopredefined data types such as float or datenoNumeric data and Stringsyesyes
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 indexesnonoyesyes
SQL infoSupport of SQLClose to SQL99, but no user access control, stored procedures and host language bindings.noyesyes
APIs and other access methodsJavaScript APIHTTP RESTJDBC
ODBC
Supported programming languagesJavaScriptJavaJava
Server-side scripts infoStored proceduresnonoJava Stored Procedures and User-Defined Functionsuser defined functions
Triggersyesnoyesyes
Partitioning methods infoMethods for storing different data on different nodesnonenoneyes infobased on PostgreSQL
Replication methods infoMethods for redundantly storing data on multiple nodesnoneWith 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 integrityyesnoyesyes
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datayes infoonly for local storage and DOM-storagenoACIDACID
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.yesnoyesno
User concepts infoAccess controlnoAccess managed on TSDB instance levelfine grained access rights according to SQL-standardyes infobased on PostgreSQL

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More resources
AlaSQLAlibaba Cloud TSDBH2PostGIS
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