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DBMS > Alibaba Cloud TSDB vs. Cassandra vs. IBM Db2 warehouse vs. Memcached vs. Microsoft Azure AI Search

System Properties Comparison Alibaba Cloud TSDB vs. Cassandra vs. IBM Db2 warehouse vs. Memcached vs. Microsoft Azure AI Search

Editorial information provided by DB-Engines
NameAlibaba Cloud TSDB  Xexclude from comparisonCassandra  Xexclude from comparisonIBM Db2 warehouse infoformerly named IBM dashDB  Xexclude from comparisonMemcached  Xexclude from comparisonMicrosoft Azure AI Search  Xexclude from comparison
DescriptionA stable, reliable, and cost-effective online high-performance time series database serviceWide-column store based on ideas of BigTable and DynamoDB infoOptimized for write accessCloud-based data warehousing serviceIn-memory key-value store, originally intended for cachingSearch-as-a-service for web and mobile app development
Primary database modelTime Series DBMSWide column storeRelational DBMSKey-value storeSearch engine
Secondary database modelsVector DBMS infostarting with release V5Vector DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.24
Rank#306  Overall
#26  Time Series DBMS
Score101.89
Rank#12  Overall
#1  Wide column stores
Score1.30
Rank#164  Overall
#75  Relational DBMS
Score19.42
Rank#32  Overall
#4  Key-value stores
Score5.59
Rank#63  Overall
#7  Search engines
Websitewww.alibabacloud.com/­product/­hitsdbcassandra.apache.orgwww.ibm.com/­products/­db2/­warehousewww.memcached.orgazure.microsoft.com/­en-us/­services/­search
Technical documentationwww.alibabacloud.com/­help/­en/­time-series-database/­latest/­what-is-tsdbcassandra.apache.org/­doc/­latestgithub.com/­memcached/­memcached/­wikilearn.microsoft.com/­en-us/­azure/­search
DeveloperAlibabaApache Software Foundation infoApache top level project, originally developped by FacebookIBMDanga Interactive infooriginally developed by Brad Fitzpatrick for LiveJournalMicrosoft
Initial release2008201420032015
Current release4.1.3, July 20231.6.27, May 2024V1
License infoCommercial or Open SourcecommercialOpen Source infoApache version 2commercialOpen Source infoBSD licensecommercial
Cloud-based only infoOnly available as a cloud serviceyesnoyesnoyes
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 languageJavaC
Server operating systemshostedBSD
Linux
OS X
Windows
hostedFreeBSD
Linux
OS X
Unix
Windows
hosted
Data schemeschema-freeschema-freeyesschema-freeyes
Typing infopredefined data types such as float or dateNumeric data and Stringsyesyesnoyes
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 infoImport/export of XML data possibleno
Secondary indexesnorestricted infoonly equality queries, not always the best performing solutionyesnoyes
SQL infoSupport of SQLnoSQL-like SELECT, DML and DDL statements (CQL)yesnono
APIs and other access methodsHTTP RESTProprietary protocol infoCQL (Cassandra Query Language, an SQL-like language)
Thrift
.NET Client API
JDBC
ODBC
OLE DB
Proprietary protocolRESTful HTTP API
Supported programming languagesJavaC#
C++
Clojure
Erlang
Go
Haskell
Java
JavaScript infoNode.js
Perl
PHP
Python
Ruby
Scala
Java
JavaScript (Node.js)
Perl
PHP
Python
R
Ruby
.Net
C
C++
ColdFusion
Erlang
Java
Lisp
Lua
OCaml
Perl
PHP
Python
Ruby
C#
Java
JavaScript
Python
Server-side scripts infoStored proceduresnonoPL/SQL, SQL PLnono
Triggersnoyesyesnono
Partitioning methods infoMethods for storing different data on different nodesSharding infono "single point of failure"ShardingnoneSharding infoImplicit feature of the cloud service
Replication methods infoMethods for redundantly storing data on multiple nodesselectable replication factor infoRepresentation of geographical distribution of servers is possibleyesnone infoRepcached, a Memcached patch, provides this functionallityyes infoImplicit feature of the cloud service
MapReduce infoOffers an API for user-defined Map/Reduce methodsnoyesnonono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyEventual Consistency
Immediate Consistency infocan be individually decided for each write operation
Immediate ConsistencyImmediate Consistency
Foreign keys infoReferential integritynonoyesnono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanono infoAtomicity and isolation are supported for single operationsACIDnono
Concurrency infoSupport for concurrent manipulation of datayesyesyesyesyes
Durability infoSupport for making data persistentyesyesyesnoyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.nonoyesno
User concepts infoAccess controlAccess managed on TSDB instance levelAccess rights for users can be defined per objectfine grained access rights according to SQL-standardyes infousing SASL (Simple Authentication and Security Layer) protocolyes infousing Azure authentication
More information provided by the system vendor
Alibaba Cloud TSDBCassandraIBM Db2 warehouse infoformerly named IBM dashDBMemcachedMicrosoft Azure AI Search
Specific characteristicsApache Cassandra is the leading NoSQL, distributed database management system, well...
» more
Competitive advantagesNo single point of failure ensures 100% availability . Operational simplicity for...
» more
Typical application scenariosInternet of Things (IOT), fraud detection applications, recommendation engines, product...
» more
Key customersApple, Netflix, Uber, ING,, Intuit,Fidelity, NY Times, Outbrain, BazaarVoice, Best...
» more
Market metricsCassandra is used by 40% of the Fortune 100.
» more
Licensing and pricing modelsApache license  Pricing for commercial distributions provided by DataStax and available...
» more
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