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DBMS > LevelDB vs. LokiJS vs. OrigoDB vs. SAP Advantage Database Server vs. XTDB

System Properties Comparison LevelDB vs. LokiJS vs. OrigoDB vs. SAP Advantage Database Server vs. XTDB

Editorial information provided by DB-Engines
NameLevelDB  Xexclude from comparisonLokiJS  Xexclude from comparisonOrigoDB  Xexclude from comparisonSAP Advantage Database Server infoformer name: Sybase ADS  Xexclude from comparisonXTDB infoformerly named Crux  Xexclude from comparison
SAP Advantage Database Server seems to be discontinued. Therefore it is excluded from the DB-Engines Ranking.
DescriptionEmbeddable fast key-value storage library that provides an ordered mapping from string keys to string valuesIn-memory JavaScript DBMSA fully ACID in-memory object graph databaseLow-cost RDBMS with access to ISAM and FoxPro data structuresA general purpose database with bitemporal SQL and Datalog and graph queries
Primary database modelKey-value storeDocument storeDocument store
Object oriented DBMS
Relational DBMSDocument store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score2.35
Rank#111  Overall
#19  Key-value stores
Score0.43
Rank#264  Overall
#42  Document stores
Score0.00
Rank#383  Overall
#53  Document stores
#20  Object oriented DBMS
Score0.11
Rank#343  Overall
#46  Document stores
Websitegithub.com/­google/­leveldbgithub.com/­techfort/­LokiJSorigodb.comwww.sap.com/products/advantage-database-server.htmlgithub.com/­xtdb/­xtdb
www.xtdb.com
Technical documentationgithub.com/­google/­leveldb/­blob/­main/­doc/­index.mdtechfort.github.io/­LokiJSorigodb.com/­docswww.xtdb.com/­docs
DeveloperGoogleRobert Friberg et alSybase, SAPJuxt Ltd.
Initial release201120142009 infounder the name LiveDB19932019
Current release1.23, February 20211.19, September 2021
License infoCommercial or Open SourceOpen Source infoBSDOpen SourceOpen SourcecommercialOpen Source infoMIT License
Cloud-based only infoOnly available as a cloud servicenonononono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageC++JavaScriptC#Clojure
Server operating systemsIllumos
Linux
OS X
Windows
server-less, requires a JavaScript environment (browser, Node.js)Linux
Windows
Linux
Windows
All OS with a Java 8 (and higher) VM
Linux
Data schemeschema-freeschema-freeyesyesschema-free
Typing infopredefined data types such as float or datenonoUser defined using .NET types and collectionsyesyes, extensible-data-notation format
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.nonono infocan be achieved using .NETnono
Secondary indexesnoyes infovia viewsyesyesyes
SQL infoSupport of SQLnononoyeslimited SQL, making use of Apache Calcite
APIs and other access methodsJavaScript API.NET Client API
HTTP API
LINQ
.NET Client API
ADO.NET
JDBC
ODBC
OLE DB
HTTP REST
JDBC
Supported programming languagesC++
Go
Java info3rd party binding
JavaScript (Node.js) info3rd party binding
Python info3rd party binding
JavaScript.NetDelphi
Perl
PHP
Clojure
Java
Server-side scripts infoStored proceduresnoView functions in JavaScriptyesyesno
Triggersnoyesyes infoDomain Eventsyesno
Partitioning methods infoMethods for storing different data on different nodesnonenonehorizontal partitioning infoclient side managed; servers are not synchronizednonenone
Replication methods infoMethods for redundantly storing data on multiple nodesnonenoneSource-replica replicationMulti-source replication infoCONFLICT Trigger to resolve replication conflicts
Source-replica replication
yes, each node contains all data
MapReduce infoOffers an API for user-defined Map/Reduce methodsnoyesnonono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencynoneImmediate Consistency
Foreign keys infoReferential integritynonodepending on modelyesno
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanono infoatomic operations within a single collection possibleACIDACIDACID
Concurrency infoSupport for concurrent manipulation of datayesyesyesyes
Durability infoSupport for making data persistentyes infowith automatic compression on writesyes infoSerialization of a DB in a Node.JS/Cordova/PhoneGap environment. Usage of the IndexedDB-API in a browser.yes infoWrite ahead logyesyes, flexibel persistency by using storage technologies like Apache Kafka, RocksDB or LMDB
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesyesno infocaching of (temporary) tables can be configured
User concepts infoAccess controlnonoRole based authorizationfine grained access rights according to SQL-standard

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More resources
LevelDBLokiJSOrigoDBSAP Advantage Database Server infoformer name: Sybase ADSXTDB infoformerly named Crux
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