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DBMS > Alibaba Cloud TSDB vs. IBM Db2 warehouse vs. Memcached vs. Microsoft Azure Synapse Analytics vs. PostGIS

System Properties Comparison Alibaba Cloud TSDB vs. IBM Db2 warehouse vs. Memcached vs. Microsoft Azure Synapse Analytics vs. PostGIS

Editorial information provided by DB-Engines
NameAlibaba Cloud TSDB  Xexclude from comparisonIBM Db2 warehouse infoformerly named IBM dashDB  Xexclude from comparisonMemcached  Xexclude from comparisonMicrosoft Azure Synapse Analytics infopreviously named Azure SQL Data Warehouse  Xexclude from comparisonPostGIS  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 cachingElastic, large scale data warehouse service leveraging the broad eco-system of SQL ServerSpatial extension of PostgreSQL
Primary database modelTime Series DBMSRelational DBMSKey-value storeRelational DBMSSpatial DBMS
Secondary database modelsRelational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.24
Rank#306  Overall
#26  Time Series DBMS
Score1.30
Rank#164  Overall
#75  Relational DBMS
Score19.42
Rank#32  Overall
#4  Key-value stores
Score20.56
Rank#31  Overall
#19  Relational DBMS
Score22.69
Rank#29  Overall
#1  Spatial DBMS
Websitewww.alibabacloud.com/­product/­hitsdbwww.ibm.com/­products/­db2/­warehousewww.memcached.orgazure.microsoft.com/­services/­synapse-analyticspostgis.net
Technical documentationwww.alibabacloud.com/­help/­en/­time-series-database/­latest/­what-is-tsdbgithub.com/­memcached/­memcached/­wikidocs.microsoft.com/­azure/­synapse-analyticspostgis.net/­documentation
DeveloperAlibabaIBMDanga Interactive infooriginally developed by Brad Fitzpatrick for LiveJournalMicrosoft
Initial release2014200320162005
Current release1.6.25, March 20243.4.2, February 2024
License infoCommercial or Open SourcecommercialcommercialOpen Source infoBSD licensecommercialOpen Source infoGPL v2.0
Cloud-based only infoOnly available as a cloud serviceyesyesnoyesno
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageCC++C
Server operating systemshostedhostedFreeBSD
Linux
OS X
Unix
Windows
hosted
Data schemeschema-freeyesschema-freeyesyes
Typing infopredefined data types such as float or dateNumeric data and Stringsyesnoyesyes
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 possiblenoyes
Secondary indexesnoyesnoyesyes
SQL infoSupport of SQLnoyesnoyesyes
APIs and other access methodsHTTP REST.NET Client API
JDBC
ODBC
OLE DB
Proprietary protocolADO.NET
JDBC
ODBC
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#
Java
PHP
Server-side scripts infoStored proceduresnoPL/SQL, SQL PLnoTransact SQLuser defined functions
Triggersnoyesnonoyes
Partitioning methods infoMethods for storing different data on different nodesShardingnoneSharding, horizontal partitioningyes infobased on PostgreSQL
Replication methods infoMethods for redundantly storing data on multiple nodesyesnone infoRepcached, a Memcached patch, provides this functionallityyesyes infobased on PostgreSQL
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonononono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyImmediate ConsistencyImmediate ConsistencyImmediate Consistency
Foreign keys infoReferential integritynoyesnono infodocs.microsoft.com/­en-us/­azure/­synapse-analytics/­sql-data-warehouse/­sql-data-warehouse-table-constraintsyes
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanoACIDnoACIDACID
Concurrency infoSupport for concurrent manipulation of datayesyesyesyesyes
Durability infoSupport for making data persistentyesyesnoyesyes
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) protocolyesyes infobased on PostgreSQL

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More resources
Alibaba Cloud TSDBIBM Db2 warehouse infoformerly named IBM dashDBMemcachedMicrosoft Azure Synapse Analytics infopreviously named Azure SQL Data WarehousePostGIS
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