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DBMS > Cassandra vs. Redis vs. SAP SQL Anywhere vs. SQream DB

System Properties Comparison Cassandra vs. Redis vs. SAP SQL Anywhere vs. SQream DB

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Editorial information provided by DB-Engines
NameCassandra  Xexclude from comparisonRedis  Xexclude from comparisonSAP SQL Anywhere infoformerly called Adaptive Server Anywhere  Xexclude from comparisonSQream DB  Xexclude from comparison
DescriptionWide-column store based on ideas of BigTable and DynamoDB infoOptimized for write accessIn-memory data structure store, used as database, cache and message broker infoRedis focuses on performance so most of its design decisions prioritize high performance and very low latencies.RDBMS database and synchronization technologies for server, desktop, remote office, and mobile environmentsa GPU-based, columnar RDBMS for big data analytics workloads
Primary database modelWide column storeKey-value store infoMultiple data types and a rich set of operations, as well as configurable data expiration, eviction and persistenceRelational DBMSRelational DBMS
Secondary database modelsDocument store infowith Redis Modules
Graph DBMS infowith Redis Modules
Search engine infowith Redis Modules
Time Series DBMS infowith Redis Modules
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score119.84
Rank#11  Overall
#1  Wide column stores
Score152.87
Rank#7  Overall
#1  Key-value stores
Score6.46
Rank#56  Overall
#31  Relational DBMS
Score0.66
Rank#202  Overall
#99  Relational DBMS
Websitecassandra.apache.orgredis.iowww.sap.com/­products/­sql-anywhere.htmlsqream.com
Technical documentationcassandra.apache.org/­doc/­latestredis.io/­documentationhelp.sap.com/­sql-anywheredocs.sqream.com/­latest/­manual
DeveloperApache Software Foundation infoApache top level project, originally developped by FacebookSalvatore Sanfilippo infoDevelopment sponsored by Redis LabsSAP infoformerly SybaseSQream Technologies
Initial release2008200919922014
Current release3.11.6, February 20206.0.6, July 202017, July 20152020.1, January 2020
License infoCommercial or Open SourceOpen Source infoApache version 2Open Source infoBSD 3-Clause, commercial license availablecommercialcommercial
Cloud-based only infoOnly available as a cloud servicenononono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
ScaleGrid for Redis: Fully managed hosting for Redis on AWS, Azure and DigitalOcean with high availability and SSH access on the #1 multi-cloud DBaaS.
Implementation languageJavaCC++, CUDA, Haskell
Server operating systemsBSD
Linux
OS X
Windows
BSD
Linux
OS X
Windows infoported and maintained by Microsoft Open Technologies, Inc.
AIX
HP-UX
Linux
OS X
Solaris
Windows
Linux
Data schemeschema-freeschema-freeyesyes
Typing infopredefined data types such as float or dateyespartial infoSupported data types are strings, hashes, lists, sets and sorted sets, bit arrays, hyperloglogs and geospatial indexesyesyes, ANSI Standard SQL Types
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.nonoyes
Secondary indexesrestricted infoonly equality queries, not always the best performing solutionyes infowith RediSearch moduleyesyes
SQL infoSupport of SQLSQL-like SELECT, DML and DDL statements (CQL)noyesyes
APIs and other access methodsProprietary protocol infoCQL (Cassandra Query Language, an SQL-like language)
Thrift
proprietary protocol infoRESP - REdis Serialization ProtocolADO.NET
HTTP API
JDBC
ODBC
.Net
JDBC
ODBC
Supported programming languagesC#
C++
Clojure
Erlang
Go
Haskell
Java
JavaScript infoNode.js
Perl
PHP
Python
Ruby
Scala
C
C#
C++
Clojure
Crystal
D
Dart
Elixir
Erlang
Fancy
Go
Haskell
Haxe
Java
JavaScript (Node.js)
Lisp
Lua
MatLab
Objective-C
OCaml
Pascal
Perl
PHP
Prolog
Pure Data
Python
R
Rebol
Ruby
Rust
Scala
Scheme
Smalltalk
Swift
Tcl
Visual Basic
C
C#
C++
Delphi
Java
JavaScript (Node.js)
Perl
PHP
Python
Ruby
C++
Java
JavaScript (Node.js)
Python
Server-side scripts infoStored proceduresnoLuayes, in C/C++, Java, .Net or Perluser defined functions in Python
Triggersyesnoyesno
Partitioning methods infoMethods for storing different data on different nodesSharding infono "single point of failure"Shardingnonehorizontal and vertical partitioning
Replication methods infoMethods for redundantly storing data on multiple nodesselectable replication factor infoRepresentation of geographical distribution of servers is possibleMulti-source replication infowith Redis Enterprise Pack
Source-replica replication infoChained replication is supported
Source-replica replication infoDatabase mirroringnone
MapReduce infoOffers an API for user-defined Map/Reduce methodsyesnonono
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual Consistency
Immediate Consistency infocan be individually decided for each write operation
Eventual Consistency
Strong eventual consistency with CRDTs
Immediate ConsistencyImmediate Consistency
Foreign keys infoReferential integritynonoyesno
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datano infoAtomicity and isolation are supported for single operationsOptimistic locking, atomic execution of commands blocks and scriptsACIDACID
Concurrency infoSupport for concurrent manipulation of datayesyes infoData access is serialized by the serveryesyes
Durability infoSupport for making data persistentyesyes infoConfigurable mechanisms for persistency via snapshots and/or operations logsyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.noyesyes
User concepts infoAccess controlAccess rights for users can be defined per objectSimple password-based access control infoAccess control lists and SSL are available in the commercial versionfine grained access rights according to SQL-standard
More information provided by the system vendor
CassandraRedisSAP SQL Anywhere infoformerly called Adaptive Server AnywhereSQream DB
Specific characteristicsApache Cassandra is the leading NoSQL, distributed database management system, well...
» more
Due to exponentially growing data, organizations today are facing slowdowns, with...
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Competitive advantagesNo single point of failure ensures 100% availability . Operational simplicity for...
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Much faster time to insight Analyze significantly more data Achieve previously unobtainable...
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Typical application scenariosInternet of Things (IOT), fraud detection applications, recommendation engines, product...
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What can you do with 100x faster SQL analytics? Better and more timely decision making...
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Key customersApple, Netflix, Uber, ING,, Intuit,Fidelity, NY Times, Outbrain, BazaarVoice, Best...
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Some of our customers include: LG Uplus, AIS (Advanced Info Service), ACL Mobile,...
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Market metricsCassandra is used by 40% of the Fortune 100.
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Licensing and pricing modelsApache license  Pricing for commercial distributions provided by DataStax and available...
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Related products and services
3rd partiesCData: Connect to Big Data & NoSQL through standard Drivers.
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DataStax Enterprise: Apache Cassandra for enterprises.
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DBHawk: Secure access to SQL, NoSQL and Cloud databases with an all-in-one solution.
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Instaclustr: Hosted & Managed Apache Cassandra as a Service
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Datadog: Monitor all Redis metrics: hit rates, clients, commands per second, and more.
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CData: Connect to Big Data & NoSQL through standard Drivers.
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We invite representatives of vendors of related products to contact us for presenting information about their offerings here.

More resources
CassandraRedisSAP SQL Anywhere infoformerly called Adaptive Server AnywhereSQream DB
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