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DBMS > LevelDB vs. SAP SQL Anywhere vs. Titan vs. VelocityDB vs. XAP

System Properties Comparison LevelDB vs. SAP SQL Anywhere vs. Titan vs. VelocityDB vs. XAP

Editorial information provided by DB-Engines
NameLevelDB  Xexclude from comparisonSAP SQL Anywhere infoformerly called Adaptive Server Anywhere  Xexclude from comparisonTitan  Xexclude from comparisonVelocityDB  Xexclude from comparisonXAP  Xexclude from comparison
Titan has been decommisioned after the takeover by Datastax. It will be removed from the DB-Engines ranking. A fork has been open-sourced as JanusGraph.
DescriptionEmbeddable fast key-value storage library that provides an ordered mapping from string keys to string valuesRDBMS database and synchronization technologies for server, desktop, remote office, and mobile environmentsTitan is a Graph DBMS optimized for distributed clusters.A .NET Object Database that can be embedded/distributed and extended to a graph data model (VelocityGraph)High performant in-memory data grid for mission critical applications. Insight Edge from the same company extends XAP for AI/ML support, BI and other interfaces
Primary database modelKey-value storeRelational DBMSGraph DBMSGraph DBMS
Object oriented DBMS
Document store
Key-value store infoValues are user defined objects
Secondary database modelsObject oriented DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score2.88
Rank#88  Overall
#16  Key-value stores
Score5.50
Rank#58  Overall
#32  Relational DBMS
Score0.07
Rank#295  Overall
#27  Graph DBMS
#16  Object oriented DBMS
Score0.82
Rank#164  Overall
#25  Document stores
#30  Key-value stores
Websitegithub.com/­google/­leveldbwww.sap.com/­products/­sql-anywhere.htmltitan.thinkaurelius.comvelocitydb.comwww.gigaspaces.com/­products/­xap
Technical documentationgithub.com/­google/­leveldb/­blob/­master/­doc/­index.mdhelp.sap.com/­sql-anywheregithub.com/­thinkaurelius/­titan/­wikivelocitydb.com/­UserGuidedocs.gigaspaces.com/­latest/­landing.html
DeveloperGoogleSAP infoformerly SybaseAurelius, owned by DataStaxVelocityDB IncGigaspaces Technologies
Initial release20111992201220112000
Current release1.22, May 201917, July 20157.x14.5.0, June 2019
License infoCommercial or Open SourceOpen Source infoBSDcommercialOpen Source infoApache license, version 2.0commercialOpen Source infoApache Version 2; Commercial licenses available
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++JavaC#Java, C++, .Net
Server operating systemsIllumos
Linux
OS X
Windows
AIX
HP-UX
Linux
OS X
Solaris
Windows
Linux
OS X
Unix
Windows
Any that supports .NETLinux
macOS
Solaris
Windows
Data schemeschema-freeyesyesyesschema-free
Typing infopredefined data types such as float or datenoyesyesyesyes
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 infoXML can be used for describing objects metadata
Secondary indexesnoyesyesyesyes
SQL infoSupport of SQLnoyesnonoSQL-like query language and DML statements
APIs and other access methodsADO.NET
HTTP API
JDBC
ODBC
Java API
TinkerPop Blueprints
TinkerPop Frames
TinkerPop Gremlin
TinkerPop Rexster
.NetGigaSpaces LRMI
Hibernate
JCache
JDBC
JPA
ODBC
RESTful HTTP API
Spring Data
Supported programming languagesC++
Go
Java info3rd party binding
JavaScript (Node.js) info3rd party binding
Python info3rd party binding
C
C#
C++
Delphi
Java
JavaScript (Node.js)
Perl
PHP
Python
Ruby
Clojure
Java
Python
.Net.Net
C++
Java
Server-side scripts infoStored proceduresnoyes, in C/C++, Java, .Net or Perlyesnoyes
TriggersnoyesyesCallbacks are triggered when data changesyes infoEvent Listeners
Partitioning methods infoMethods for storing different data on different nodesnonenoneyes infovia pluggable storage backendsShardingSharding infoHash based
Replication methods infoMethods for redundantly storing data on multiple nodesnoneMaster-slave replication infoDatabase mirroringyesMaster-master replication infosynchronous or asynchronous
Master-slave replication infosynchronous or asynchronous
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonoyes infovia Faunus, a graph analytics enginenoyes infoMap-Reduce pattern can be built with XAP task executors
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyImmediate ConsistencyEventual Consistency
Immediate Consistency
Immediate ConsistencyImmediate Consistency infoConsistency level configurable: ALL, QUORUM, ANY
Foreign keys infoReferential integritynoyesyes infoRelationships in graphnono
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 writesyesyes infoSupports various storage backends: Cassandra, HBase, Berkeley DB, Akiban, Hazelcastyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesyesyes
User concepts infoAccess controlnofine grained access rights according to SQL-standardUser authentification and security via Rexster Graph ServerBased on Windows AuthenticationRole-based access control

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LevelDBSAP SQL Anywhere infoformerly called Adaptive Server AnywhereTitanVelocityDBXAP
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