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DBMS > Apache Impala vs. PostGIS vs. TempoIQ

System Properties Comparison Apache Impala vs. PostGIS vs. TempoIQ

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Editorial information provided by DB-Engines
NameApache Impala  Xexclude from comparisonPostGIS  Xexclude from comparisonTempoIQ infoformerly TempoDB  Xexclude from comparison
TempoIQ seems to be decommissioned. It will be removed from the DB-Engines ranking.
DescriptionAnalytic DBMS for HadoopSpatial extension of PostgreSQLScalable analytics DBMS for sensor data, provided as a service (SaaS)
Primary database modelRelational DBMSSpatial DBMSTime Series DBMS
Secondary database modelsDocument storeRelational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score13.77
Rank#40  Overall
#24  Relational DBMS
Score22.69
Rank#29  Overall
#1  Spatial DBMS
Websiteimpala.apache.orgpostgis.nettempoiq.com (offline)
Technical documentationimpala.apache.org/­impala-docs.htmlpostgis.net/­documentation
DeveloperApache Software Foundation infoApache top-level project, originally developed by ClouderaTempoIQ
Initial release201320052012
Current release4.1.0, June 20223.4.2, February 2024
License infoCommercial or Open SourceOpen Source infoApache Version 2Open Source infoGPL v2.0commercial
Cloud-based only infoOnly available as a cloud servicenonoyes
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageC++C
Server operating systemsLinux
Data schemeyesyesschema-free
Typing infopredefined data types such as float or dateyesyesyes
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.noyesno
Secondary indexesyesyes
SQL infoSupport of SQLSQL-like DML and DDL statementsyesno
APIs and other access methodsJDBC
ODBC
HTTP API
Supported programming languagesAll languages supporting JDBC/ODBCC#
Java
JavaScript infoNode.js
Python
Ruby
Server-side scripts infoStored proceduresyes infouser defined functions and integration of map-reduceuser defined functionsno
Triggersnoyesyes infoRealtime Alerts
Partitioning methods infoMethods for storing different data on different nodesShardingyes infobased on PostgreSQL
Replication methods infoMethods for redundantly storing data on multiple nodesselectable replication factoryes infobased on PostgreSQL
MapReduce infoOffers an API for user-defined Map/Reduce methodsyes infoquery execution via MapReducenono
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual ConsistencyImmediate Consistency
Foreign keys infoReferential integritynoyesno
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanoACIDno
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.nonono
User concepts infoAccess controlAccess rights for users, groups and roles infobased on Apache Sentry and Kerberosyes infobased on PostgreSQLsimple authentication-based access control

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More resources
Apache ImpalaPostGISTempoIQ infoformerly TempoDB
DB-Engines blog posts

Spatial database management systems
6 April 2021, Matthias Gelbmann

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