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DBMS > AlaSQL vs. Alibaba Cloud PolarDB vs. eXtremeDB vs. Hyprcubd

System Properties Comparison AlaSQL vs. Alibaba Cloud PolarDB vs. eXtremeDB vs. Hyprcubd

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Editorial information provided by DB-Engines
NameAlaSQL  Xexclude from comparisonAlibaba Cloud PolarDB  Xexclude from comparisoneXtremeDB  Xexclude from comparisonHyprcubd  Xexclude from comparison
Hyprcubd seems to be discontinued. Therefore it is excluded from the DB-Engines ranking.
DescriptionJavaScript DBMS libraryA cloud-native relational database compatible with MySQL, PostgreSQL, and Oracle. Designed for business critical applications.Natively in-memory DBMS with options for persistency, high-availability and clusteringServerless Time Series DBMS
Primary database modelDocument store
Relational DBMS
Relational DBMSRelational DBMS
Time Series DBMS
Time Series 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
Score0.59
Rank#241  Overall
#110  Relational DBMS
Score0.74
Rank#223  Overall
#103  Relational DBMS
#18  Time Series DBMS
Websitealasql.orgwww.alibabacloud.com/­product/­polardbwww.mcobject.comhyprcubd.com (offline)
Technical documentationgithub.com/­AlaSQL/­alasqlwww.alibabacloud.com/­help/­en/­polardb/­product-overviewwww.mcobject.com/­docs/­extremedb.htm
DeveloperAndrey Gershun & Mathias R. WulffAlibabaMcObjectHyprcubd, Inc.
Initial release20142001
Current release8.2, 2021
License infoCommercial or Open SourceOpen Source infoMIT-Licensecommercialcommercialcommercial
Cloud-based only infoOnly available as a cloud servicenoyesnoyes
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageJavaScriptC and C++Go
Server operating systemsserver-less, requires a JavaScript environment (browser, Node.js)hostedAIX
HP-UX
Linux
macOS
Solaris
Windows
hosted
Data schemeschema-freeyesyesyes
Typing infopredefined data types such as float or datenoyesyesyes infotime, int, uint, float, string
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.noyesno infosupport of XML interfaces availableno
Secondary indexesnoyesyesno
SQL infoSupport of SQLClose to SQL99, but no user access control, stored procedures and host language bindings.yesyes infowith the option: eXtremeSQLSQL-like query language
APIs and other access methodsJavaScript APIJDBC
ODBC
.NET Client API
JDBC
JNI
ODBC
Proprietary protocol
RESTful HTTP API
gRPC (https)
Supported programming languagesJavaScriptJava
Python
.Net
C
C#
C++
Java
Lua
Python
Scala
Server-side scripts infoStored proceduresnoyesyesno
Triggersyesyesyes infoby defining eventsno
Partitioning methods infoMethods for storing different data on different nodesnoneSharding infoImplicit feature of the cloud servicehorizontal partitioning / sharding
Replication methods infoMethods for redundantly storing data on multiple nodesnoneyes infoImplicit feature of the cloud serviceActive Replication Fabric™ for IoT
Multi-source replication infoby means of eXtremeDB Cluster option
Source-replica replication infoby means of eXtremeDB High Availability option
MapReduce infoOffers an API for user-defined Map/Reduce methodsnononono
Consistency concepts infoMethods to ensure consistency in a distributed systemnoneImmediate ConsistencyImmediate ConsistencyEventual Consistency
Foreign keys infoReferential integrityyesyesyesno
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datayes infoonly for local storage and DOM-storageACIDACIDno
Concurrency infoSupport for concurrent manipulation of datayesyes infoOptimistic (MVCC) and pessimistic (locking) strategies availableno
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.yesyesyesno
User concepts infoAccess controlnofine grained access rights according to SQL-standardtoken access
More information provided by the system vendor
AlaSQLAlibaba Cloud PolarDBeXtremeDBHyprcubd
Specific characteristicsPolarDB, previously ApsaraDB for PolarDB, is a cloud-native relational database designed...
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eXtremeDB is an in-memory and/or persistent database system that offers an ultra-small...
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Competitive advantagesWebinar: Top Scientists Live: Tech Secrets to Double 11's Success Revealed. White...
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eXtremeDB databases can be modeled relationally or as objects and can utilize SQL...
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Typical application scenariosCreating a Robust Cloud-Based Database for Fintech, E-Commerce and Gaming. Learn...
» more
IoT application across all markets: Industrial Control, Netcom, Telecom, Defense,...
» more
Key customersSchneider Electronics, F5 Networks, TNS, Boeing, Northrop Grumman, GoPro, ViaSat,...
» more
Market metricsWith hundreds of customers and over 30 million devices/applications using the product...
» more
Licensing and pricing modelsSpecification and pricing. You can use either of the following billing methods to...
» more
For server use cases, there is a simple per-server license irrespective of the number...
» more

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More resources
AlaSQLAlibaba Cloud PolarDBeXtremeDBHyprcubd
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