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DBMS > DolphinDB vs. JanusGraph vs. Memcached vs. PostGIS vs. SAP Advantage Database Server

System Properties Comparison DolphinDB vs. JanusGraph vs. Memcached vs. PostGIS vs. SAP Advantage Database Server

Editorial information provided by DB-Engines
NameDolphinDB  Xexclude from comparisonJanusGraph infosuccessor of Titan  Xexclude from comparisonMemcached  Xexclude from comparisonPostGIS  Xexclude from comparisonSAP Advantage Database Server infoformer name: Sybase ADS  Xexclude from comparison
SAP Advantage Database Server seems to be discontinued. Therefore it is excluded from the DB-Engines Ranking.
DescriptionDolphinDB is a high performance Time Series DBMS. It is integrated with an easy-to-use fully featured programming language and a high-volume high-velocity streaming analytics system. It offers operational simplicity, scalability, fault tolerance, and concurrency.A Graph DBMS optimized for distributed clusters infoIt was forked from the latest code base of Titan in January 2017In-memory key-value store, originally intended for cachingSpatial extension of PostgreSQLLow-cost RDBMS with access to ISAM and FoxPro data structures
Primary database modelTime Series DBMSGraph DBMSKey-value storeSpatial DBMSRelational DBMS
Secondary database modelsRelational DBMSRelational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score4.13
Rank#80  Overall
#6  Time Series DBMS
Score1.94
Rank#129  Overall
#12  Graph DBMS
Score19.42
Rank#32  Overall
#4  Key-value stores
Score22.69
Rank#29  Overall
#1  Spatial DBMS
Websitewww.dolphindb.comjanusgraph.orgwww.memcached.orgpostgis.netwww.sap.com/products/advantage-database-server.html
Technical documentationdocs.dolphindb.cn/­en/­help200/­index.htmldocs.janusgraph.orggithub.com/­memcached/­memcached/­wikipostgis.net/­documentation
DeveloperDolphinDB, IncLinux Foundation; originally developed as Titan by AureliusDanga Interactive infooriginally developed by Brad Fitzpatrick for LiveJournalSybase, SAP
Initial release20182017200320051993
Current releasev2.00.4, January 20220.6.3, February 20231.6.27, May 20243.4.2, February 2024
License infoCommercial or Open Sourcecommercial infofree community version availableOpen Source infoApache 2.0Open Source infoBSD licenseOpen Source infoGPL v2.0commercial
Cloud-based only infoOnly available as a cloud servicenonononono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageC++JavaCC
Server operating systemsLinux
Windows
Linux
OS X
Unix
Windows
FreeBSD
Linux
OS X
Unix
Windows
Linux
Windows
Data schemeyesyesschema-freeyesyes
Typing infopredefined data types such as float or dateyesyesnoyesyes
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.nonoyesno
Secondary indexesyesyesnoyesyes
SQL infoSupport of SQLSQL-like query languagenonoyesyes
APIs and other access methodsJDBC
JSON over HTTP
Kafka
MQTT (Message Queue Telemetry Transport)
ODBC
OPC DA
OPC UA
RabbitMQ
WebSocket
Java API
TinkerPop Blueprints
TinkerPop Frames
TinkerPop Gremlin
TinkerPop Rexster
Proprietary protocol.NET Client API
ADO.NET
JDBC
ODBC
OLE DB
Supported programming languagesC#
C++
Go
Java
JavaScript
MatLab
Python
R
Rust
Clojure
Java
Python
.Net
C
C++
ColdFusion
Erlang
Java
Lisp
Lua
OCaml
Perl
PHP
Python
Ruby
Delphi
Perl
PHP
Server-side scripts infoStored proceduresyesyesnouser defined functionsyes
Triggersnoyesnoyesyes
Partitioning methods infoMethods for storing different data on different nodeshorizontal partitioningyes infodepending on the used storage backend (e.g. Cassandra, HBase, BerkeleyDB)noneyes infobased on PostgreSQLnone
Replication methods infoMethods for redundantly storing data on multiple nodesyesyesnone infoRepcached, a Memcached patch, provides this functionallityyes infobased on PostgreSQLMulti-source replication infoCONFLICT Trigger to resolve replication conflicts
Source-replica replication
MapReduce infoOffers an API for user-defined Map/Reduce methodsyesyes infovia Faunus, a graph analytics enginenonono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyEventual Consistency
Immediate Consistency
Immediate ConsistencyImmediate Consistency
Foreign keys infoReferential integritynoyes infoRelationships in graphsnoyesyes
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datayesACIDnoACIDACID
Concurrency infoSupport for concurrent manipulation of datayesyesyesyesyes
Durability infoSupport for making data persistentyesyes infoSupports various storage backends: Cassandra, HBase, Berkeley DB, Akiban, Hazelcastnoyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesnono infocaching of (temporary) tables can be configured
User concepts infoAccess controlAdministrators, Users, GroupsUser authentification and security via Rexster Graph Serveryes infousing SASL (Simple Authentication and Security Layer) protocolyes infobased on PostgreSQLfine grained access rights according to SQL-standard

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More resources
DolphinDBJanusGraph infosuccessor of TitanMemcachedPostGISSAP Advantage Database Server infoformer name: Sybase ADS
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