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DBMS > AlaSQL vs. NCache vs. NuoDB vs. PostGIS vs. SQream DB

System Properties Comparison AlaSQL vs. NCache vs. NuoDB vs. PostGIS vs. SQream DB

Editorial information provided by DB-Engines
NameAlaSQL  Xexclude from comparisonNCache  Xexclude from comparisonNuoDB  Xexclude from comparisonPostGIS  Xexclude from comparisonSQream DB  Xexclude from comparison
DescriptionJavaScript DBMS libraryOpen-Source and Enterprise in-memory Key-Value StoreNuoDB is a webscale distributed database that supports SQL and ACID transactionsSpatial extension of PostgreSQLa GPU-based, columnar RDBMS for big data analytics workloads
Primary database modelDocument store
Relational DBMS
Key-value storeRelational DBMSSpatial DBMSRelational DBMS
Secondary database modelsDocument store
Search engine infoUsing distributed Lucene
Relational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.51
Rank#256  Overall
#40  Document stores
#118  Relational DBMS
Score0.96
Rank#195  Overall
#29  Key-value stores
Score0.94
Rank#197  Overall
#92  Relational DBMS
Score21.72
Rank#29  Overall
#1  Spatial DBMS
Score0.74
Rank#224  Overall
#103  Relational DBMS
Websitealasql.orgwww.alachisoft.com/­ncachewww.3ds.com/­nuodb-distributed-sql-databasepostgis.netsqream.com
Technical documentationgithub.com/­AlaSQL/­alasqlwww.alachisoft.com/­resources/­docsdoc.nuodb.compostgis.net/­documentationdocs.sqream.com
DeveloperAndrey Gershun & Mathias R. WulffAlachisoftDassault Systèmes infooriginally NuoDB, Inc.SQream Technologies
Initial release20142005201320052017
Current release5.3.3, April 20243.4.2, February 20242022.1.6, December 2022
License infoCommercial or Open SourceOpen Source infoMIT-LicenseOpen Source infoEnterprise Edition availablecommercial infolimited edition freeOpen Source infoGPL v2.0commercial
Cloud-based only infoOnly available as a cloud servicenonononono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageJavaScriptC#, .NET, .NET Core, JavaC++CC++, CUDA, Haskell, Java, Scala
Server operating systemsserver-less, requires a JavaScript environment (browser, Node.js)Linux
Windows
hosted infoAmazon EC2, Windows Azure, SoftLayer
Linux
OS X
Windows
Linux
Data schemeschema-freeschema-freeyesyesyes
Typing infopredefined data types such as float or datenopartial infoSupported data types are Lists, Queues, Hashsets, Dictionary and Counteryesyesyes, ANSI Standard SQL Types
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 indexesnoyesyesyesno
SQL infoSupport of SQLClose to SQL99, but no user access control, stored procedures and host language bindings.SQL-like query syntax and LINQ for searching the cache. Cache Synchronization with SQL Server using SQL dependency.yesyesyes
APIs and other access methodsJavaScript APIIDistributedCache
JCache
LINQ
Proprietary native API
ADO.NET
JDBC
ODBC
.Net
JDBC
ODBC
Supported programming languagesJavaScript.Net
.Net Core
C#
Java
JavaScript (Node.js)
Python
Scala
.Net
C
C++
Go
Java
JavaScript
JavaScript (Node.js)
PHP
Python
Ruby
C++
Java
JavaScript (Node.js)
Python
Server-side scripts infoStored proceduresnono infosupport for stored procedures with SQL-Server CLRJava, SQLuser defined functionsuser defined functions in Python
Triggersyesyes infoNotificationsyesyesno
Partitioning methods infoMethods for storing different data on different nodesnoneyesdata is dynamically stored/cached on the nodes where it is read/writtenyes infobased on PostgreSQLhorizontal and vertical partitioning
Replication methods infoMethods for redundantly storing data on multiple nodesnoneyes, with selectable consistency levelyes infoManaged transparently by NuoDByes infobased on PostgreSQLnone
MapReduce infoOffers an API for user-defined Map/Reduce methodsnoyesnonono
Consistency concepts infoMethods to ensure consistency in a distributed systemnoneEventual Consistency
Immediate Consistency
Strong Eventual Consistency over WAN with Conflict Resolution using Bridge Topology
Immediate ConsistencyImmediate ConsistencyImmediate Consistency
Foreign keys infoReferential integrityyesnoyesyesno
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datayes infoonly for local storage and DOM-storageoptimistic locking and pessimistic lockingACID infotunable commit protocolACIDACID
Concurrency infoSupport for concurrent manipulation of datayesyes infoMVCCyesyes
Durability infoSupport for making data persistentyes infoby using IndexedDB, SQL.JS or proprietary FileStorageyesyesyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesyesyes infoTemporary tableno
User concepts infoAccess controlnoAuthentication to access the cache via Active Directory/LDAP (possible roles: user, administrator)Standard SQL roles/ privileges, Administrative Usersyes infobased on PostgreSQL
More information provided by the system vendor
AlaSQLNCacheNuoDBPostGISSQream DB
Specific characteristicsNCache has been the market leader in .NET Distributed Caching since 2005 . NCache...
» more
Competitive advantagesNCache is 100% .NET/ .NET Core based which fully supports ASP.NET Core Sessions ,...
» more
Typical application scenariosNCache enables industries like retail, finance, banking IoT, travel, ecommerce, healthcare...
» more
Key customersBank of America, Citi, Natures Way, Charter Spectrum, Barclays, Henry Schein, GBM,...
» more
Market metricsMarket Leader in .NET Distributed Caching since 2005.
» more
Licensing and pricing modelsNCache Open Source is free on an as-is basis without any support. NCache Enterprise...
» more

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More resources
AlaSQLNCacheNuoDBPostGISSQream DB
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