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DBMS > BoltDB vs. Cassandra vs. Fujitsu Enterprise Postgres vs. Kdb vs. Yaacomo

System Properties Comparison BoltDB vs. Cassandra vs. Fujitsu Enterprise Postgres vs. Kdb vs. Yaacomo

Editorial information provided by DB-Engines
NameBoltDB  Xexclude from comparisonCassandra  Xexclude from comparisonFujitsu Enterprise Postgres  Xexclude from comparisonKdb  Xexclude from comparisonYaacomo  Xexclude from comparison
Yaacomo seems to be discontinued and is removed from the DB-Engines ranking
DescriptionAn embedded key-value store for Go.Wide-column store based on ideas of BigTable and DynamoDB infoOptimized for write accessEnterprise-grade PostgreSQL-based DBMS with security enhancements such as Transparent Data Encryption and Data Masking, plus high-availability and performance improvement features.High performance Time Series DBMSOpenCL based in-memory RDBMS, designed for efficiently utilizing the hardware via parallel computing
Primary database modelKey-value storeWide column storeRelational DBMSTime Series DBMS
Vector DBMS
Relational DBMS
Secondary database modelsVector DBMS infostarting with release V5Document store
Spatial DBMS
Relational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.74
Rank#220  Overall
#31  Key-value stores
Score101.89
Rank#12  Overall
#1  Wide column stores
Score0.31
Rank#285  Overall
#129  Relational DBMS
Score7.55
Rank#53  Overall
#3  Time Series DBMS
#1  Vector DBMS
Websitegithub.com/­boltdb/­boltcassandra.apache.orgwww.postgresql.fastware.comkx.comyaacomo.com
Technical documentationcassandra.apache.org/­doc/­latestwww.postgresql.fastware.com/­product-manualscode.kx.com
DeveloperApache Software Foundation infoApache top level project, originally developped by FacebookPostgreSQL Global Development Group, Fujitsu Australia Software TechnologyKx Systems, a division of First Derivatives plcQ2WEB GmbH
Initial release201320082000 infokdb was released 2000, kdb+ in 20032009
Current release4.1.3, July 2023Fujitsu Enterprise Postgres 14, January 20223.6, May 2018
License infoCommercial or Open SourceOpen Source infoMIT LicenseOpen Source infoApache version 2commercialcommercial infofree 32-bit versioncommercial
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.
Astra DB: Multi-cloud DBaaS built on Apache Cassandra.
Implementation languageGoJavaCq
Server operating systemsBSD
Linux
OS X
Solaris
Windows
BSD
Linux
OS X
Windows
Linux
Windows
Linux
OS X
Solaris
Windows
Android
Linux
Windows
Data schemeschema-freeschema-freeyesyesyes
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.nonoyesno
Secondary indexesnorestricted infoonly equality queries, not always the best performing solutionyesyes infotable attribute 'grouped'yes
SQL infoSupport of SQLnoSQL-like SELECT, DML and DDL statements (CQL)yesSQL-like query language (q)yes
APIs and other access methodsProprietary protocol infoCQL (Cassandra Query Language, an SQL-like language)
Thrift
ADO.NET
JDBC
native C library
ODBC
streaming API for large objects
HTTP API
JDBC
Jupyter
Kafka
ODBC
WebSocket
JDBC
ODBC
Supported programming languagesGoC#
C++
Clojure
Erlang
Go
Haskell
Java
JavaScript infoNode.js
Perl
PHP
Python
Ruby
Scala
.Net
C
C++
Delphi
Java
JavaScript (Node.js)
Perl
PHP
Python
Tcl
C
C#
C++
Go
J
Java
JavaScript
Lua
MatLab
Perl
PHP
Python
R
Scala
Server-side scripts infoStored proceduresnonouser defined functionsuser defined functions
Triggersnoyesyesyes infowith viewsyes
Partitioning methods infoMethods for storing different data on different nodesnoneSharding infono "single point of failure"partitioning by range, list and by hashhorizontal partitioninghorizontal partitioning
Replication methods infoMethods for redundantly storing data on multiple nodesnoneselectable replication factor infoRepresentation of geographical distribution of servers is possibleSource-replica replicationSource-replica replicationSource-replica replication
MapReduce infoOffers an API for user-defined Map/Reduce methodsnoyesnono infosimilar paradigm used for internal processingno
Consistency concepts infoMethods to ensure consistency in a distributed systemnoneEventual Consistency
Immediate Consistency infocan be individually decided for each write operation
Immediate ConsistencyImmediate ConsistencyImmediate Consistency
Foreign keys infoReferential integritynonoyesyesyes
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datayesno infoAtomicity and isolation are supported for single operationsACIDnoACID
Concurrency infoSupport for concurrent manipulation of datayesyesyes, multi-version concurrency control (MVCC)yesyes
Durability infoSupport for making data persistentyesyesyesyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.nonoyesyes
User concepts infoAccess controlnoAccess rights for users can be defined per objectfine grained access rights according to SQL-standardrights management via user accountsfine grained access rights according to SQL-standard
More information provided by the system vendor
BoltDBCassandraFujitsu Enterprise PostgresKdbYaacomo
Specific characteristicsApache Cassandra is the leading NoSQL, distributed database management system, well...
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100% compatible with community PostgreSQL
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Integrated columnar database & programming system for streaming, real time and historical...
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Competitive advantagesNo single point of failure ensures 100% availability . Operational simplicity for...
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Built-in TDE and Data Masking security. In-Memory Columnar Index, and a high speed...
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provides seamless scalability; runs on industry standard server platforms; is top-ranked...
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Typical application scenariosInternet of Things (IOT), fraud detection applications, recommendation engines, product...
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Transactional payments applications, reporting and mixed workloads.
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tick database streaming sensor data massive intelligence applications oil and gas...
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Key customersApple, Netflix, Uber, ING,, Intuit,Fidelity, NY Times, Outbrain, BazaarVoice, Best...
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Goldman Sachs Morgan Stanley Merrill Lynch J.P. Morgan Deutsche Bank IEX Securities...
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Market metricsCassandra is used by 40% of the Fortune 100.
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Over 30 years experience in database technology. Over 20 years in Postgres development...
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kdb+ performance and reliability proven by our customers in critical infrastructure...
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Licensing and pricing modelsApache license  Pricing for commercial distributions provided by DataStax and available...
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Core based licensing
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upon request
» more

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More resources
BoltDBCassandraFujitsu Enterprise PostgresKdbYaacomo
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