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DBMS > AlaSQL vs. H2GIS vs. LevelDB vs. Percona Server for MySQL vs. PouchDB

System Properties Comparison AlaSQL vs. H2GIS vs. LevelDB vs. Percona Server for MySQL vs. PouchDB

Editorial information provided by DB-Engines
NameAlaSQL  Xexclude from comparisonH2GIS  Xexclude from comparisonLevelDB  Xexclude from comparisonPercona Server for MySQL  Xexclude from comparisonPouchDB  Xexclude from comparison
DescriptionJavaScript DBMS librarySpatial extension of H2Embeddable fast key-value storage library that provides an ordered mapping from string keys to string valuesEnhanced drop-in replacement for MySQL based on XtraDB or TokuDB storage engines with improved performance and additional diagnostic and management features.JavaScript DBMS with an API inspired by CouchDB
Primary database modelDocument store
Relational DBMS
Spatial DBMSKey-value storeRelational DBMSDocument store
Secondary database modelsRelational 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
Score0.08
Rank#368  Overall
#7  Spatial DBMS
Score2.25
Rank#115  Overall
#19  Key-value stores
Score2.10
Rank#119  Overall
#57  Relational DBMS
Score2.34
Rank#112  Overall
#21  Document stores
Websitealasql.orgwww.h2gis.orggithub.com/­google/­leveldbwww.percona.com/­software/­mysql-database/­percona-serverpouchdb.com
Technical documentationgithub.com/­AlaSQL/­alasqlwww.h2gis.org/­docs/­homegithub.com/­google/­leveldb/­blob/­main/­doc/­index.mdwww.percona.com/­downloads/­Percona-Server-LATESTpouchdb.com/­guides
DeveloperAndrey Gershun & Mathias R. WulffCNRSGooglePerconaApache Software Foundation
Initial release20142013201120082012
Current release1.23, February 20218.0.36-28, 20247.1.1, June 2019
License infoCommercial or Open SourceOpen Source infoMIT-LicenseOpen Source infoLGPL 3.0Open Source infoBSDOpen Source infoGPL version 2Open Source
Cloud-based only infoOnly available as a cloud servicenonononono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageJavaScriptJavaC++C and C++JavaScript
Server operating systemsserver-less, requires a JavaScript environment (browser, Node.js)Illumos
Linux
OS X
Windows
Linuxserver-less, requires a JavaScript environment (browser, Node.js)
Data schemeschema-freeyesschema-freeyesschema-free
Typing infopredefined data types such as float or datenoyesnoyesno
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 indexesnoyesnoyesyes infovia views
SQL infoSupport of SQLClose to SQL99, but no user access control, stored procedures and host language bindings.yesnoyesno
APIs and other access methodsJavaScript APIADO.NET
JDBC
ODBC
HTTP REST infoonly for PouchDB Server
JavaScript API
Supported programming languagesJavaScriptJavaC++
Go
Java info3rd party binding
JavaScript (Node.js) info3rd party binding
Python info3rd party binding
Ada
C
C#
C++
D
Eiffel
Erlang
Haskell
Java
Objective-C
OCaml
Perl
PHP
Python
Ruby
Scheme
Tcl
JavaScript
Server-side scripts infoStored proceduresnoyes infobased on H2noyesView functions in JavaScript
Triggersyesyesnoyesyes
Partitioning methods infoMethods for storing different data on different nodesnonenonenoneSharding infowith a proxy-based framework, named couchdb-lounge
Replication methods infoMethods for redundantly storing data on multiple nodesnoneyes infobased on H2noneMulti-source replication
Source-replica replication
XtraDB Cluster
Multi-source replication infoalso with CouchDB databases
Source-replica replication infoalso with CouchDB databases
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonononoyes
Consistency concepts infoMethods to ensure consistency in a distributed systemnoneImmediate ConsistencyImmediate ConsistencyImmediate ConsistencyEventual Consistency
Foreign keys infoReferential integrityyesyesnoyesno
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datayes infoonly for local storage and DOM-storageACIDnoACIDno
Concurrency infoSupport for concurrent manipulation of datayes, multi-version concurrency control (MVCC)yesyes
Durability infoSupport for making data persistentyes infoby using IndexedDB, SQL.JS or proprietary FileStorageyesyes infowith automatic compression on writesyesyes infoby using IndexedDB, WebSQL or LevelDB as backend
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesyesyesyes
User concepts infoAccess controlnoyes infobased on H2noUsers with fine-grained authorization concept infono user groups or rolesno

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More resources
AlaSQLH2GISLevelDBPercona Server for MySQLPouchDB
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