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

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

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Editorial information provided by DB-Engines
NameAlaSQL  Xexclude from comparisonAlibaba Cloud TSDB  Xexclude from comparisonCoveo  Xexclude from comparisonPostGIS  Xexclude from comparison
DescriptionJavaScript DBMS libraryA stable, reliable, and cost-effective online high-performance time series database serviceAI-powered hosted search, recommendation and personalization platform providing tools for both low-code and full-code developmentSpatial extension of PostgreSQL
Primary database modelDocument store
Relational DBMS
Time Series DBMSSearch engineSpatial DBMS
Secondary database modelsRelational 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
Score0.24
Rank#306  Overall
#26  Time Series DBMS
Score2.28
Rank#114  Overall
#11  Search engines
Score22.69
Rank#29  Overall
#1  Spatial DBMS
Websitealasql.orgwww.alibabacloud.com/­product/­hitsdbwww.coveo.compostgis.net
Technical documentationgithub.com/­AlaSQL/­alasqlwww.alibabacloud.com/­help/­en/­time-series-database/­latest/­what-is-tsdbdocs.coveo.compostgis.net/­documentation
DeveloperAndrey Gershun & Mathias R. WulffAlibabaCoveo
Initial release201420122005
Current release3.4.2, February 2024
License infoCommercial or Open SourceOpen Source infoMIT-LicensecommercialcommercialOpen Source infoGPL v2.0
Cloud-based only infoOnly available as a cloud servicenoyesyesno
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageJavaScriptC
Server operating systemsserver-less, requires a JavaScript environment (browser, Node.js)hostedhosted
Data schemeschema-freeschema-freehybrid - fields need to be configured prior to indexing, but relationships can be exploited at query time without pre-configurationyes
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.nonoyes
APIs and other access methodsJavaScript APIHTTP RESTRESTful HTTP API
Supported programming languagesJavaScriptJavaC#
Java
JavaScript
Python
Server-side scripts infoStored proceduresnononouser defined functions
Triggersyesnoyesyes
Partitioning methods infoMethods for storing different data on different nodesnoneyesyes infobased on PostgreSQL
Replication methods infoMethods for redundantly storing data on multiple nodesnoneyesyes 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-storagenoyesACID
Concurrency infoSupport for concurrent manipulation of datayesyesyes
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.yesnono
User concepts infoAccess controlnoAccess managed on TSDB instance levelgranular access controls, API key management, content filtersyes infobased on PostgreSQL

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More resources
AlaSQLAlibaba Cloud TSDBCoveoPostGIS
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