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DBMS > AlaSQL vs. HarperDB vs. PouchDB vs. searchxml vs. Transbase

System Properties Comparison AlaSQL vs. HarperDB vs. PouchDB vs. searchxml vs. Transbase

Editorial information provided by DB-Engines
NameAlaSQL  Xexclude from comparisonHarperDB  Xexclude from comparisonPouchDB  Xexclude from comparisonsearchxml  Xexclude from comparisonTransbase  Xexclude from comparison
DescriptionJavaScript DBMS libraryUltra-low latency distributed database with an intuitive REST API supporting NoSQL and SQL (including joins). Deployment of functions and databases simultaneously with a consolidated node-level architecture.JavaScript DBMS with an API inspired by CouchDBDBMS for structured and unstructured content wrapped with an application serverA resource-optimized, high-performance, universally applicable RDBMS
Primary database modelDocument store
Relational DBMS
Document storeDocument storeNative XML DBMS
Search engine
Relational 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
Score0.55
Rank#248  Overall
#38  Document stores
Score2.28
Rank#115  Overall
#21  Document stores
Score0.00
Rank#383  Overall
#7  Native XML DBMS
#25  Search engines
Score0.11
Rank#341  Overall
#150  Relational DBMS
Websitealasql.orgwww.harperdb.iopouchdb.comwww.searchxml.net/­category/­productswww.transaction.de/­en/­products/­transbase.html
Technical documentationgithub.com/­AlaSQL/­alasqldocs.harperdb.io/­docspouchdb.com/­guideswww.searchxml.net/­support/­handoutswww.transaction.de/­en/­products/­transbase/­features.html
DeveloperAndrey Gershun & Mathias R. WulffHarperDBApache Software Foundationinformationpartners gmbhTransaction Software GmbH
Initial release20142017201220151987
Current release3.1, August 20217.1.1, June 20191.0Transbase 8.3, 2022
License infoCommercial or Open SourceOpen Source infoMIT-Licensecommercial infofree community edition availableOpen Sourcecommercialcommercial infofree development license
Cloud-based only infoOnly available as a cloud servicenonononono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageJavaScriptNode.jsJavaScriptC++C and C++
Server operating systemsserver-less, requires a JavaScript environment (browser, Node.js)Linux
OS X
server-less, requires a JavaScript environment (browser, Node.js)WindowsFreeBSD
Linux
macOS
Solaris
Windows
Data schemeschema-freedynamic schemaschema-freeschema-freeyes
Typing infopredefined data types such as float or datenoyes infoJSON data typesnoyesyes
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.nononoyesno
Secondary indexesnoyesyes infovia viewsyesyes
SQL infoSupport of SQLClose to SQL99, but no user access control, stored procedures and host language bindings.SQL-like data manipulation statementsnonoyes
APIs and other access methodsJavaScript APIJDBC
ODBC
React Hooks
RESTful HTTP/JSON API
WebSocket
HTTP REST infoonly for PouchDB Server
JavaScript API
RESTful HTTP API
WebDAV
XQuery
XSLT
ADO.NET
JDBC
ODBC
Proprietary native API
Supported programming languagesJavaScript.Net
C
C#
C++
ColdFusion
D
Dart
Delphi
Erlang
Go
Haskell
Java
JavaScript (Node.js)
Lisp
MatLab
Objective C
Perl
PHP
PowerShell
Prolog
Python
R
Ruby
Rust
Scala
Swift
JavaScriptC++ infomost other programming languages supported via APIsC
C#
C++
Java
JavaScript
Kotlin
Objective-C
PHP
Python
Server-side scripts infoStored proceduresnoCustom Functions infosince release 3.1View functions in JavaScriptyes infoon the application serveryes
Triggersyesnoyesnoyes
Partitioning methods infoMethods for storing different data on different nodesnoneA table resides as a whole on one (or more) nodes in a clusterSharding infowith a proxy-based framework, named couchdb-loungenone
Replication methods infoMethods for redundantly storing data on multiple nodesnoneyes infothe nodes on which a table resides can be definedMulti-source replication infoalso with CouchDB databases
Source-replica replication infoalso with CouchDB databases
yes infosychronisation to multiple collectionsSource-replica replication
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonoyesnono
Consistency concepts infoMethods to ensure consistency in a distributed systemnoneImmediate ConsistencyEventual ConsistencyImmediate ConsistencyImmediate Consistency
Foreign keys infoReferential integrityyesnononoyes
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datayes infoonly for local storage and DOM-storageAtomic execution of specific operationsnomultiple readers, single writeryes
Concurrency infoSupport for concurrent manipulation of datayesyesyes
Durability infoSupport for making data persistentyes infoby using IndexedDB, SQL.JS or proprietary FileStorageyes, using LMDByes infoby using IndexedDB, WebSQL or LevelDB as backendyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesyesyesnono
User concepts infoAccess controlnoAccess rights for users and rolesnoDomain, group and role-based access control at the document level and for application servicesfine grained access rights according to SQL-standard

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More resources
AlaSQLHarperDBPouchDBsearchxmlTransbase
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