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DBMS > Cassandra vs. OmniSci vs. TiDB

System Properties Comparison Cassandra vs. OmniSci vs. TiDB

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Editorial information provided by DB-Engines
NameCassandra  Xexclude from comparisonOmniSci infoFormerly named 'MapD', rebranded to 'OmniSci' in September 2018  Xexclude from comparisonTiDB  Xexclude from comparison
DescriptionWide-column store based on ideas of BigTable and DynamoDB infoOptimized for write accessA high performance, in-memory, column-oriented RDBMS, designed to run on GPUsTiDB is an open source distributed Hybrid Transactional/Analytical Processing (HTAP) database that supports MySQL and Spark SQL syntaxes.
Primary database modelWide column storeRelational DBMSRelational DBMS
Secondary database modelsDocument store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score123.22
Rank#10  Overall
#1  Wide column stores
Score2.08
Rank#105  Overall
#52  Relational DBMS
Score1.47
Rank#126  Overall
#65  Relational DBMS
Websitecassandra.apache.orgwww.omnisci.compingcap.com
Technical documentationcassandra.apache.org/­doc/­latestwww.omnisci.com/­docs/­latestpingcap.com/­docs
DeveloperApache Software Foundation infoApache top level project, originally developped by FacebookMapD Technologies, Inc.PingCAP, Inc.
Initial release200820162016
Current release3.11.4, February 2019V43.0.0, June 2019
License infoCommercial or Open SourceOpen Source infoApache version 2Open Source infoApache Version 2; enterprise edition availableOpen Source infoApache 2.0
Cloud-based only infoOnly available as a cloud servicenonono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageJavaC++ and CUDAGo, Rust
Server operating systemsBSD
Linux
OS X
Windows
LinuxLinux
Data schemeschema-freeyesyes
Typing infopredefined data types such as float or dateyesyesyes
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
Secondary indexesrestricted infoonly equality queries, not always the best performing solutionnoyes
SQL infoSupport of SQLSQL-like SELECT, DML and DDL statements (CQL)yesyes
APIs and other access methodsProprietary protocol infoCQL (Cassandra Query Language, an SQL-like language)
Thrift
Thrift
JDBC
ODBC
Proprietary protocol
JDBC
ODBC
Supported programming languagesC#
C++
Clojure
Erlang
Go
Haskell
Java
JavaScript infoNode.js
Perl
PHP
Python
Ruby
Scala
All languages supporting JDBC/ODBC/Thrift
Python
Ada
C
C#
C++
D
Delphi
Eiffel
Erlang
Haskell
Java
JavaScript (Node.js)
Objective-C
OCaml
Perl
PHP
Python
Ruby
Scheme
Tcl
Server-side scripts infoStored proceduresnonono
Triggersyesnono
Partitioning methods infoMethods for storing different data on different nodesSharding infono "single point of failure"Sharding infoRound robinhorizontal partitioning (by key range)
Replication methods infoMethods for redundantly storing data on multiple nodesselectable replication factor infoRepresentation of geographical distribution of servers is possibleMaster-master replicationUsing Raft consensus algorithm to ensure data replication with strong consistency among multiple replicas.
MapReduce infoOffers an API for user-defined Map/Reduce methodsyesnoyes infowith TiSpark Connector
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual Consistency
Immediate Consistency infocan be individually decided for each write operation
Immediate ConsistencyImmediate Consistency
Foreign keys infoReferential integritynonono infocurrently only supported in syntax
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datano infoAtomicity and isolation are supported for single operationsnoACID
Concurrency infoSupport for concurrent manipulation of datayesyesyes
Durability infoSupport for making data persistentyesyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.noyesno
User concepts infoAccess controlAccess rights for users can be defined per objectfine grained access rights according to SQL-standardUsers with fine-grained authorization concept. No user groups or roles.
More information provided by the system vendor
CassandraOmniSci infoFormerly named 'MapD', rebranded to 'OmniSci' in September 2018TiDB
Specific characteristicsApache Cassandra is the leading NoSQL, distributed database management system, well...
» more
TiDB is an open source distributed scalable hybrid transactional and analytical processing...
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Competitive advantagesNo single point of failure ensures 100% availability . Operational simplicity for...
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In the current database landscape, infrastructure engineers often have to use one...
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Typical application scenariosInternet of Things (IOT), fraud detection applications, recommendation engines, product...
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TiDB is designed to support both OLTP and OLAP scenarios. You can use TiDB , the...
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Key customersApple, Netflix, Uber, ING,, Intuit,Fidelity, NY Times, Outbrain, BazaarVoice, Best...
» more
Bank of Beijing (Banking) Mobike (Ridesharing) Toutiao (Media) Ele.me (Catering)...
» more
Market metricsCassandra is used by 40% of the Fortune 100.
» more
InfoWorld’s 2018 Best of Open Source Software Award winners 15000+ stars on GitHub...
» more
Licensing and pricing modelsApache license  Pricing for commercial distributions provided by DataStax and available...
» more
Open Source Apache 2.0 with either commercial licensing or fully-hosted DB-as-a-service...
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and for displaying vendor-provided information such as key customers, competitive advantages and market metrics.

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More resources
CassandraOmniSci infoFormerly named 'MapD', rebranded to 'OmniSci' in September 2018TiDB
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