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DBMS > Alibaba Cloud TSDB vs. IBM Db2 warehouse vs. Memcached vs. searchxml

System Properties Comparison Alibaba Cloud TSDB vs. IBM Db2 warehouse vs. Memcached vs. searchxml

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Editorial information provided by DB-Engines
NameAlibaba Cloud TSDB  Xexclude from comparisonIBM Db2 warehouse infoformerly named IBM dashDB  Xexclude from comparisonMemcached  Xexclude from comparisonsearchxml  Xexclude from comparison
DescriptionA stable, reliable, and cost-effective online high-performance time series database serviceCloud-based data warehousing serviceIn-memory key-value store, originally intended for cachingDBMS for structured and unstructured content wrapped with an application server
Primary database modelTime Series DBMSRelational DBMSKey-value storeNative XML DBMS
Search engine
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.24
Rank#312  Overall
#27  Time Series DBMS
Score1.34
Rank#166  Overall
#76  Relational DBMS
Score20.74
Rank#32  Overall
#4  Key-value stores
Score0.01
Rank#386  Overall
#7  Native XML DBMS
#24  Search engines
Websitewww.alibabacloud.com/­product/­hitsdbwww.ibm.com/­products/­db2/­warehousewww.memcached.orgwww.searchxml.net/­category/­products
Technical documentationwww.alibabacloud.com/­help/­en/­time-series-database/­latest/­what-is-tsdbgithub.com/­memcached/­memcached/­wikiwww.searchxml.net/­support/­handouts
DeveloperAlibabaIBMDanga Interactive infooriginally developed by Brad Fitzpatrick for LiveJournalinformationpartners gmbh
Initial release201420032015
Current release1.6.25, March 20241.0
License infoCommercial or Open SourcecommercialcommercialOpen Source infoBSD licensecommercial
Cloud-based only infoOnly available as a cloud serviceyesyesnono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageCC++
Server operating systemshostedhostedFreeBSD
Linux
OS X
Unix
Windows
Windows
Data schemeschema-freeyesschema-freeschema-free
Typing infopredefined data types such as float or dateNumeric data and Stringsyesnoyes
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.nono infoImport/export of XML data possibleyes
Secondary indexesnoyesnoyes
SQL infoSupport of SQLnoyesnono
APIs and other access methodsHTTP REST.NET Client API
JDBC
ODBC
OLE DB
Proprietary protocolRESTful HTTP API
WebDAV
XQuery
XSLT
Supported programming languagesJavaJava
JavaScript (Node.js)
Perl
PHP
Python
R
Ruby
.Net
C
C++
ColdFusion
Erlang
Java
Lisp
Lua
OCaml
Perl
PHP
Python
Ruby
C++ infomost other programming languages supported via APIs
Server-side scripts infoStored proceduresnoPL/SQL, SQL PLnoyes infoon the application server
Triggersnoyesnono
Partitioning methods infoMethods for storing different data on different nodesShardingnonenone
Replication methods infoMethods for redundantly storing data on multiple nodesyesnone infoRepcached, a Memcached patch, provides this functionallityyes infosychronisation to multiple collections
MapReduce infoOffers an API for user-defined Map/Reduce methodsnononono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyImmediate ConsistencyImmediate Consistency
Foreign keys infoReferential integritynoyesnono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanoACIDnomultiple readers, single writer
Concurrency infoSupport for concurrent manipulation of datayesyesyesyes
Durability infoSupport for making data persistentyesyesnoyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.noyesno
User concepts infoAccess controlAccess managed on TSDB instance levelfine grained access rights according to SQL-standardyes infousing SASL (Simple Authentication and Security Layer) protocolDomain, group and role-based access control at the document level and for application services

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More resources
Alibaba Cloud TSDBIBM Db2 warehouse infoformerly named IBM dashDBMemcachedsearchxml
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