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DBMS > AlaSQL vs. XAP

System Properties Comparison AlaSQL vs. XAP

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Editorial information provided by DB-Engines
NameAlaSQL  Xexclude from comparisonXAP  Xexclude from comparison
DescriptionJavaScript DBMS libraryIn-memory computing software platform
Primary database modelDocument store
Relational DBMS
Key-value store infoValues are user defined objects
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.48
Rank#204  Overall
#28  Document stores
#98  Relational DBMS
Score0.84
Rank#162  Overall
#27  Key-value stores
Websitealasql.orgwww.gigaspaces.com/­product/­xap
Technical documentationgithub.com/­agershun/­alasqldocs.gigaspaces.com
DeveloperAndrey Gershun & Mathias R. WulffGigaspaces Technologies
Initial release20142000
License infoCommercial or Open SourceOpen Source infoMIT-Licensecommercial infolimited edition free
Cloud-based only infoOnly available as a cloud servicenono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageJavaScriptJava, C++, .Net
Server operating systemsserver-less, requires a JavaScript environment (browser, Node.js).NET
All OS with a Java VM
Data schemeschema-freeyes
Typing infopredefined data types such as float or datenoyes
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.nono infoXML can be used for describing objects metadata
Secondary indexesnoyes
SQL infoSupport of SQLClose to SQL99, but no user access control, stored procedures and host language bindings.SQL-like query language
APIs and other access methodsJavaScript APIJDBC
JPA
Supported programming languagesJavaScript.Net
C++
Java
Scala
Server-side scripts infoStored proceduresno
Triggersyesyes infoEvent Listeners
Partitioning methods infoMethods for storing different data on different nodesnoneyes infoHash based
Replication methods infoMethods for redundantly storing data on multiple nodesnoneMaster-master replication infosynchronous or asynchronous
Master-slave replication infosynchronous or asynchronous
MapReduce infoOffers an API for user-defined Map/Reduce methodsnono infoMap-Reduce pattern can be built with XAP task executors
Consistency concepts infoMethods to ensure consistency in a distributed systemnoneImmediate Consistency infoConsistency level configurable: ALL, QUORUM, ANY
Foreign keys infoReferential integrityyesno
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datayes infoonly for local storage and DOM-storageconfigurable
Concurrency infoSupport for concurrent manipulation of datayes
Durability infoSupport for making data persistentyes infoby using IndexedDB, SQL.JS or proprietary FileStorageyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesyes
User concepts infoAccess controlnoAccess rights for users and roles

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More resources
AlaSQLXAP
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