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DBMS > LevelDB vs. Nebula Graph vs. OrigoDB vs. SAP Advantage Database Server vs. XTDB

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

Editorial information provided by DB-Engines
NameLevelDB  Xexclude from comparisonNebula Graph  Xexclude from comparisonOrigoDB  Xexclude from comparisonSAP Advantage Database Server infoformer name: Sybase ADS  Xexclude from comparisonXTDB infoformerly named Crux  Xexclude from comparison
DescriptionEmbeddable fast key-value storage library that provides an ordered mapping from string keys to string valuesA distributed, linear scalable, high perfomant Graph 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 storeGraph DBMSDocument store
Object oriented DBMS
Relational DBMSDocument store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score3.06
Rank#101  Overall
#18  Key-value stores
Score1.10
Rank#169  Overall
#15  Graph DBMS
Score0.00
Rank#354  Overall
#50  Document stores
#20  Object oriented DBMS
Score3.68
Rank#91  Overall
#47  Relational DBMS
Score0.00
Rank#354  Overall
#50  Document stores
Websitegithub.com/­google/­leveldbgithub.com/­vesoft-inc/­nebula
nebula-graph.io
origodb.comwww.sap.com/­products/­advantage-database-server.htmlgithub.com/­xtdb/­xtdb
xtdb.com
Technical documentationgithub.com/­google/­leveldb/­blob/­master/­doc/­index.mddocs.nebula-graph.ioorigodb.com/­docsxtdb.com/­docs
DeveloperGoogleVesoft Inc.Robert Friberg et alSybase, SAPJuxt Ltd.
Initial release201120192009 infounder the name LiveDB19932019
Current release1.23, February 20211.19, September 2021
License infoCommercial or Open SourceOpen Source infoBSDOpen Source infoApache Version 2.0 + Common Clause 1.0Open SourcecommercialOpen Source infoMIT License
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 languageC++C++C#Clojure
Server operating systemsIllumos
Linux
OS X
Windows
LinuxLinux
Windows
Linux
Windows
All OS with a Java 8 (and higher) VM
Linux
Data schemeschema-freeStrong typed schemayesyesschema-free
Typing infopredefined data types such as float or datenoyesUser 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 infoNebula Graph internally uses the Key-Value store RocksDB for persistency. The vertices, edges, and their properties are stored as Key while their values are stored as Value. The primary indexes are per Key and secondary indexes are per Value.yesyesyes
SQL infoSupport of SQLnoSQL-like query languagenoyeslimited SQL, making use of Apache Calcite
APIs and other access methodsBrowser interface
console (shell)
Proprietary native API
Query language nGQL
.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
C++
Go
Java
Python
.NetDelphi
Perl
PHP
Clojure
Java
Server-side scripts infoStored proceduresnoyesyesno
Triggersnoyes infoDomain Eventsyesno
Partitioning methods infoMethods for storing different data on different nodesnoneShardinghorizontal partitioning infoclient side managed; servers are not synchronizednonenone
Replication methods infoMethods for redundantly storing data on multiple nodesnoneCausal Clustering using Raft protocolSource-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 methodsnonononono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyImmediate ConsistencyImmediate Consistency
Foreign keys infoReferential integritynoyes infoRelationships in graphsdepending on modelyesno
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanoACIDACIDACIDACID
Concurrency infoSupport for concurrent manipulation of datayesyesyesyesyes
Durability infoSupport for making data persistentyes infowith automatic compression on writesyes infousing RocksDByes 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 controlnoRole-based access controlRole based authorizationfine grained access rights according to SQL-standard
More information provided by the system vendor
LevelDBNebula GraphOrigoDBSAP Advantage Database Server infoformer name: Sybase ADSXTDB infoformerly named Crux
Specific characteristicsNebula Graph is a truly distributed, linearly scalable, lightning-fast graph database,...
» more
Competitive advantagesNebula Graph boasts the world's only graph database solution that is able to host...
» more
Typical application scenariosSocial networking Fraud detection Knowledge graph Data warehouse management Anti...
» more
Key customersCurrently we have some top internet companies in China implementing Nebula Graph...
» more
Market metricsAt our very early stage, Nebula Graph has already received 3.5k stars and thousands...
» more
Licensing and pricing modelsNebula Graph is open source and free to use under Apache 2.0 license and Common Clause...
» more

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