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DBMS > AlaSQL vs. Amazon CloudSearch vs. Ehcache vs. LokiJS vs. Teradata

System Properties Comparison AlaSQL vs. Amazon CloudSearch vs. Ehcache vs. LokiJS vs. Teradata

Editorial information provided by DB-Engines
NameAlaSQL  Xexclude from comparisonAmazon CloudSearch  Xexclude from comparisonEhcache  Xexclude from comparisonLokiJS  Xexclude from comparisonTeradata  Xexclude from comparison
DescriptionJavaScript DBMS libraryA hosted search engine service by Amazon with the data stored in Amazons cloudA widely adopted Java cache with tiered storage optionsIn-memory JavaScript DBMSA hybrid cloud data analytics software platform (Teradata Vantage)
Primary database modelDocument store
Relational DBMS
Search engineKey-value storeDocument storeRelational DBMS
Secondary database modelsDocument store
Graph DBMS
Spatial DBMS
Time Series DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.42
Rank#264  Overall
#42  Document stores
#122  Relational DBMS
Score1.86
Rank#133  Overall
#12  Search engines
Score4.79
Rank#66  Overall
#8  Key-value stores
Score0.44
Rank#256  Overall
#40  Document stores
Score41.47
Rank#22  Overall
#15  Relational DBMS
Websitealasql.orgaws.amazon.com/­cloudsearchwww.ehcache.orggithub.com/­techfort/­LokiJSwww.teradata.com
Technical documentationgithub.com/­AlaSQL/­alasqldocs.aws.amazon.com/­cloudsearchwww.ehcache.org/­documentationtechfort.github.io/­LokiJSdocs.teradata.com
DeveloperAndrey Gershun & Mathias R. WulffAmazonTerracotta Inc, owned by Software AGTeradata
Initial release20142012200920141984
Current release3.10.0, March 2022Teradata Vantage 1.0 MU2, January 2019
License infoCommercial or Open SourceOpen Source infoMIT-LicensecommercialOpen Source infoApache Version 2; commercial licenses availableOpen Sourcecommercial
Cloud-based only infoOnly available as a cloud servicenoyesnonono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageJavaScriptJavaJavaScript
Server operating systemsserver-less, requires a JavaScript environment (browser, Node.js)hostedAll OS with a Java VMserver-less, requires a JavaScript environment (browser, Node.js)hosted
Linux
Data schemeschema-freeyesschema-freeschema-freeyes
Typing infopredefined data types such as float or datenoyesyesnoyes
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 indexesnoyes infoall search fields are automatically indexednoyes infovia viewsyes infoJoin-index to prejoin tables, aggregate index, sparse index, hash index
SQL infoSupport of SQLClose to SQL99, but no user access control, stored procedures and host language bindings.nononoyes infoSQL 2016 + extensions
APIs and other access methodsJavaScript APIHTTP APIJCacheJavaScript API.NET Client API
HTTP REST
JDBC
JMS Adapter
ODBC
OLE DB
Supported programming languagesJavaScriptJavaJavaScriptC
C++
Cobol
Java (JDBC-ODBC)
Perl
PL/1
Python
R
Ruby
Server-side scripts infoStored proceduresnononoView functions in JavaScriptyes infoUDFs, stored procedures, table functions in parallel
Triggersyesnoyes infoCache Event Listenersyesyes
Partitioning methods infoMethods for storing different data on different nodesnoneyes infoautomatic partitioning across Amazon Search Instance as requiredSharding infoby using Terracotta ServernoneSharding infoHashing
Replication methods infoMethods for redundantly storing data on multiple nodesnoneyes infomanaged transparently by AWSyes infoby using Terracotta ServernoneMulti-source replication
Source-replica replication
MapReduce infoOffers an API for user-defined Map/Reduce methodsnononoyesno
Consistency concepts infoMethods to ensure consistency in a distributed systemnoneTunable Consistency (Strong, Eventual, Weak)noneImmediate Consistency
Foreign keys infoReferential integrityyesnononoyes
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datayes infoonly for local storage and DOM-storagenoyes infosupports JTA and can work as an XA resourceno infoatomic operations within a single collection possibleACID
Concurrency infoSupport for concurrent manipulation of datayesyesyes
Durability infoSupport for making data persistentyes infoby using IndexedDB, SQL.JS or proprietary FileStorageyesyes infousing a tiered cache-storage approachyes infoSerialization of a DB in a Node.JS/Cordova/PhoneGap environment. Usage of the IndexedDB-API in a browser.yes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesyesyesyes
User concepts infoAccess controlnoauthentication via encrypted signaturesnonofine grained access rights according to SQL-standard

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More resources
AlaSQLAmazon CloudSearchEhcacheLokiJSTeradata
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