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DBMS > Cassandra vs. Heroic vs. ScyllaDB vs. Snowflake vs. TiDB

System Properties Comparison Cassandra vs. Heroic vs. ScyllaDB vs. Snowflake vs. TiDB

Editorial information provided by DB-Engines
NameCassandra  Xexclude from comparisonHeroic  Xexclude from comparisonScyllaDB  Xexclude from comparisonSnowflake  Xexclude from comparisonTiDB  Xexclude from comparison
DescriptionWide-column store based on ideas of BigTable and DynamoDB infoOptimized for write accessTime Series DBMS built at Spotify based on Cassandra or Google Cloud Bigtable, and ElasticSearchCassandra and DynamoDB compatible wide column storeCloud-based data warehousing service for structured and semi-structured dataTiDB is an open source distributed SQL database that supports Hybrid Transactional/Analytical Processing (HTAP) workloads. It is MySQL compatible and features horizontal scalability, strong consistency, and high availability.
Primary database modelWide column storeTime Series DBMSWide column storeRelational DBMSRelational DBMS
Secondary database modelsVector DBMS infostarting with release V5Key-value storeDocument store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score101.89
Rank#12  Overall
#1  Wide column stores
Score0.51
Rank#255  Overall
#21  Time Series DBMS
Score4.75
Rank#68  Overall
#5  Wide column stores
Score121.33
Rank#9  Overall
#6  Relational DBMS
Score4.66
Rank#70  Overall
#38  Relational DBMS
Websitecassandra.apache.orggithub.com/­spotify/­heroicwww.scylladb.comwww.snowflake.compingcap.com
Technical documentationcassandra.apache.org/­doc/­latestspotify.github.io/­heroicdocs.scylladb.comdocs.snowflake.net/­manuals/­index.htmldocs.pingcap.com/­tidb/­stable
DeveloperApache Software Foundation infoApache top level project, originally developped by FacebookSpotifyScyllaDBSnowflake Computing Inc.PingCAP, Inc.
Initial release20082014201520142016
Current release4.1.3, July 2023ScyllaDB Open Source 5.4.1, January 20248.0.0, March 2024
License infoCommercial or Open SourceOpen Source infoApache version 2Open Source infoApache 2.0Open Source infoOpen Source (AGPL), commercial license availablecommercialOpen Source infoApache 2.0
Cloud-based only infoOnly available as a cloud servicenononoyesno
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.Scylla Cloud: Create real-time applications that run at global scale with Scylla Cloud, the industry’s most powerful NoSQL DBaaSTiDB Cloud: Fully-managed TiDB Service. Bring everything great about TiDB to the cloud.
Implementation languageJavaJavaC++Go, Rust
Server operating systemsBSD
Linux
OS X
Windows
LinuxhostedLinux
Data schemeschema-freeschema-freeschema-freeyes infosupport of semi-structured data formats (JSON, XML, Avro)yes
Typing infopredefined data types such as float or dateyesyesyesyesyes
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.nononoyesno
Secondary indexesrestricted infoonly equality queries, not always the best performing solutionyes infovia Elasticsearchyes infocluster global secondary indicesyes
SQL infoSupport of SQLSQL-like SELECT, DML and DDL statements (CQL)noSQL-like DML and DDL statements (CQL)yesyes
APIs and other access methodsProprietary protocol infoCQL (Cassandra Query Language, an SQL-like language)
Thrift
HQL (Heroic Query Language, a JSON-based language)
HTTP API
Proprietary protocol (CQL) infocompatible with CQL (Cassandra Query Language, an SQL-like language)
RESTful HTTP API (DynamoDB compatible)
Thrift
CLI Client
JDBC
ODBC
GORM
JDBC
ODBC
Proprietary protocol
SQLAlchemy
Supported programming languagesC#
C++
Clojure
Erlang
Go
Haskell
Java
JavaScript infoNode.js
Perl
PHP
Python
Ruby
Scala
For CQL interface: C#, C++, Clojure, Erlang, Go, Haskell, Java, JavaScript, Node.js, Perl, PHP, Python, Ruby, Rust, Scala
For DynamoDB interface: .Net, ColdFusion, Erlang, Groovy, Java, JavaScript, Perl, PHP, Python, Ruby
JavaScript (Node.js)
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 proceduresnonoyes, Luauser defined functionsno
Triggersyesnonono infosimilar concept for controling cloud resourcesno
Partitioning methods infoMethods for storing different data on different nodesSharding infono "single point of failure"ShardingShardingyeshorizontal partitioning (by key range)
Replication methods infoMethods for redundantly storing data on multiple nodesselectable replication factor infoRepresentation of geographical distribution of servers is possibleyesselectable replication factor infoRepresentation of geographical distribution of servers is possibleyesUsing Raft consensus algorithm to ensure data replication with strong consistency among multiple replicas.
MapReduce infoOffers an API for user-defined Map/Reduce methodsyesnononoyes infowith TiSpark Connector
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual Consistency
Immediate Consistency infocan be individually decided for each write operation
Eventual Consistency
Immediate Consistency
Eventual Consistency
Tunable Consistency infocan be individually decided for each write operation
Immediate ConsistencyImmediate Consistency
Foreign keys infoReferential integritynononoyesyes infofull support since version 6.6
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datano infoAtomicity and isolation are supported for single operationsnono infoAtomicity and isolation are supported for single operationsACIDACID
Concurrency infoSupport for concurrent manipulation of datayesyesyesyesyes
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.nonoyes infoin-memory tablesnono
User concepts infoAccess controlAccess rights for users can be defined per objectAccess rights for users can be defined per objectUsers with fine-grained authorization concept, user roles and pluggable authenticationFine grained access rights according to SQL-standard
More information provided by the system vendor
CassandraHeroicScyllaDBSnowflakeTiDB
Specific characteristicsApache Cassandra is the leading NoSQL, distributed database management system, well...
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ScyllaDB is engineered to deliver predictable performance at scale. It’s adopted...
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TiDB is an advanced open-source, distributed SQL database for modern application...
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Competitive advantagesNo single point of failure ensures 100% availability . Operational simplicity for...
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Highly-performant (efficiently utilizes full resources of a node and network; millions...
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- HORIZONTAL SCALING : TiDB grants total transparency into your data workloads without...
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Typical application scenariosInternet of Things (IOT), fraud detection applications, recommendation engines, product...
» more
ScyllaDB is ideal for applications that require high throughput and low latency at...
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TiDB is ideal for transactional applications that require extreme scalability and...
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Key customersApple, Netflix, Uber, ING,, Intuit,Fidelity, NY Times, Outbrain, BazaarVoice, Best...
» more
Discord, Epic Games, Expedia, Zillow, Comcast, Disney+ Hotstar, Samsung, ShareChat,...
» more
Block, Pinterest, Catalyst, Bolt, Flipkart, Capcom, Shopee (E-commerce), JD Cloud...
» more
Market metricsCassandra is used by 40% of the Fortune 100.
» more
ScyllaDB typically offers ~75% total cost of ownership savings, with ~5X higher throughput...
» more
34K+ GitHub stars 5K+ members in TiDB Community Slack 1K+ community contributors...
» more
Licensing and pricing modelsApache license  Pricing for commercial distributions provided by DataStax and available...
» more
ScyllaDB Open Source - free open source software (AGPL) ScyllaDB Enterprise - subscription-based...
» more
TiDB Community : Free open source software (Apache 2.0) TiDB Self-Hosted : Enterprise...
» more
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