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DBMS > EXASOL vs. OpenTSDB vs. PostGIS

System Properties Comparison EXASOL vs. OpenTSDB vs. PostGIS

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Editorial information provided by DB-Engines
NameEXASOL  Xexclude from comparisonOpenTSDB  Xexclude from comparisonPostGIS  Xexclude from comparison
DescriptionHigh-performance, in-memory, MPP database specifically designed for in-memory analytics.Scalable Time Series DBMS based on HBaseSpatial extension of PostgreSQL
Primary database modelRelational DBMSTime Series DBMSSpatial DBMS
Secondary database modelsRelational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score1.99
Rank#124  Overall
#58  Relational DBMS
Score1.68
Rank#146  Overall
#12  Time Series DBMS
Score22.69
Rank#29  Overall
#1  Spatial DBMS
Websitewww.exasol.comopentsdb.netpostgis.net
Technical documentationwww.exasol.com/­resourcesopentsdb.net/­docs/­build/­html/­index.htmlpostgis.net/­documentation
DeveloperExasolcurrently maintained by Yahoo and other contributors
Initial release200020112005
Current release3.4.2, February 2024
License infoCommercial or Open SourcecommercialOpen Source infoLGPLOpen Source infoGPL v2.0
Cloud-based only infoOnly available as a cloud servicenonono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageJavaC
Server operating systemsLinux
Windows
Data schemeyesschema-freeyes
Typing infopredefined data types such as float or dateyesnumeric data for metrics, strings for tagsyes
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 indexesyesnoyes
SQL infoSupport of SQLyesnoyes
APIs and other access methods.Net
JDBC
ODBC
WebSocket
HTTP API
Telnet API
Supported programming languagesJava
Lua
Python
R
Erlang
Go
Java
Python
R
Ruby
Server-side scripts infoStored proceduresuser defined functionsnouser defined functions
Triggersyesnoyes
Partitioning methods infoMethods for storing different data on different nodesShardingSharding infobased on HBaseyes infobased on PostgreSQL
Replication methods infoMethods for redundantly storing data on multiple nodesselectable replication factor infobased on HBaseyes infobased on PostgreSQL
MapReduce infoOffers an API for user-defined Map/Reduce methodsyes infoHadoop integrationnono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyImmediate Consistency infobased on HBaseImmediate Consistency
Foreign keys infoReferential integrityyesnoyes
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDnoACID
Concurrency infoSupport for concurrent manipulation of datayesyesyes
Durability infoSupport for making data persistentyesyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesnono
User concepts infoAccess controlAccess rights for users, groups and roles according to SQL-standardnoyes infobased on PostgreSQL

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More resources
EXASOLOpenTSDBPostGIS
DB-Engines blog posts

Time Series DBMS are the database category with the fastest increase in popularity
4 July 2016, Matthias Gelbmann

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Spatial database management systems
6 April 2021, Matthias Gelbmann

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