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DBMS > AlaSQL vs. jBASE vs. LevelDB vs. SQL.JS

System Properties Comparison AlaSQL vs. jBASE vs. LevelDB vs. SQL.JS

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Editorial information provided by DB-Engines
NameAlaSQL  Xexclude from comparisonjBASE  Xexclude from comparisonLevelDB  Xexclude from comparisonSQL.JS  Xexclude from comparison
DescriptionJavaScript DBMS libraryA robust multi-value DBMS comprising development tools and middlewareEmbeddable fast key-value storage library that provides an ordered mapping from string keys to string valuesPort of SQLite to JavaScript
Primary database modelDocument store
Relational DBMS
Multivalue DBMSKey-value storeRelational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.39
Rank#221  Overall
#32  Document stores
#105  Relational DBMS
Score1.76
Rank#121  Overall
#3  Multivalue DBMS
Score2.95
Rank#88  Overall
#15  Key-value stores
Score0.63
Rank#188  Overall
#92  Relational DBMS
Websitealasql.orgwww.jbase.comgithub.com/­google/­leveldbgithub.com/­kripken/­sql.js
Technical documentationgithub.com/­agershun/­alasqldocs.jbase.comgithub.com/­google/­leveldb/­blob/­master/­doc/­index.mdkripken.github.io/­sql.js/­documentation
DeveloperAndrey Gershun & Mathias R. WulffZumasysGoogleAlon Zakai infoenhancements implemented by others
Initial release2014199120112012
Current release5.71.22, May 2019
License infoCommercial or Open SourceOpen Source infoMIT-LicensecommercialOpen Source infoBSDOpen Source
Cloud-based only infoOnly available as a cloud servicenononono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageJavaScriptC++JavaScript
Server operating systemsserver-less, requires a JavaScript environment (browser, Node.js)AIX
Linux
Windows
Illumos
Linux
OS X
Windows
server-less, requires a JavaScript environment (browser, Node.js)
Data schemeschema-freeschema-freeschema-freeyes
Typing infopredefined data types such as float or datenooptionalnoyes
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.noyesnono
Secondary indexesnono
SQL infoSupport of SQLClose to SQL99, but no user access control, stored procedures and host language bindings.Embedded SQL for jBASE in BASICnoyes infoSQL-92 is not fully supported
APIs and other access methodsJavaScript APIJDBC
ODBC
Proprietary protocol
RESTful HTTP API
SOAP-based API
C++ API
Go
Java infoThird party binding
Node.js infoThird party binding
Python infoThird party binding
JavaScript API
Supported programming languagesJavaScript.Net
Basic
Jabbascript
Java
C++
Go
JavaScript
Server-side scripts infoStored proceduresnoyesnono
Triggersyesyesnono
Partitioning methods infoMethods for storing different data on different nodesnoneShardingnonenone
Replication methods infoMethods for redundantly storing data on multiple nodesnoneyesnonenone
MapReduce infoOffers an API for user-defined Map/Reduce methodsnononono
Consistency concepts infoMethods to ensure consistency in a distributed systemnoneImmediate Consistencynone
Foreign keys infoReferential integrityyesnonoyes
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datayes infoonly for local storage and DOM-storageACIDnoACID
Concurrency infoSupport for concurrent manipulation of datayesyes
Durability infoSupport for making data persistentyes infoby using IndexedDB, SQL.JS or proprietary FileStorageyesyes infowith automatic compression on writesno infoexcept by serializing a db to a file
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesyesyes
User concepts infoAccess controlnoAccess rights can be defined down to the item levelnono

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More resources
AlaSQLjBASELevelDBSQL.JS
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