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DBMS > PostGIS vs. RethinkDB vs. SAP IQ vs. Snowflake vs. TDSQL for MySQL

System Properties Comparison PostGIS vs. RethinkDB vs. SAP IQ vs. Snowflake vs. TDSQL for MySQL

Editorial information provided by DB-Engines
NamePostGIS  Xexclude from comparisonRethinkDB  Xexclude from comparisonSAP IQ infoformer name: Sybase IQ  Xexclude from comparisonSnowflake  Xexclude from comparisonTDSQL for MySQL  Xexclude from comparison
DescriptionSpatial extension of PostgreSQLDBMS for the Web with a mechanism to push updated query results to applications in realtime.Columnar RDBMS optimized for Big Data analyticsCloud-based data warehousing service for structured and semi-structured dataA high-performance distributed database management system with features such as automatic sharding, intelligent operation and maintenance, elastic scalability without downtime, and enterprise-grade security. It is highly compatible with MySQL.
Primary database modelSpatial DBMSDocument storeRelational DBMS infocolumn-orientedRelational DBMSRelational DBMS
Secondary database modelsRelational DBMSSpatial DBMSDocument store
Spatial DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score21.72
Rank#29  Overall
#1  Spatial DBMS
Score2.66
Rank#107  Overall
#20  Document stores
Score2.64
Rank#108  Overall
#52  Relational DBMS
Score130.36
Rank#8  Overall
#5  Relational DBMS
Score0.85
Rank#207  Overall
#97  Relational DBMS
Websitepostgis.netrethinkdb.comwww.sap.com/­products/­technology-platform/­sybase-iq-big-data-management.htmlwww.snowflake.comwww.tencentcloud.com/­products/­dcdb
Technical documentationpostgis.net/­documentationrethinkdb.com/­docshelp.sap.com/­docs/­SAP_IQdocs.snowflake.net/­manuals/­index.htmlwww.tencentcloud.com/­document/­product/­1042
DeveloperThe Linux Foundation infosince July 2017SAP, formerly SybaseSnowflake Computing Inc.Tencent
Initial release20052009199420142013
Current release3.4.2, February 20242.4.1, August 202016.1 SPS04, April 2019
License infoCommercial or Open SourceOpen Source infoGPL v2.0Open Source infoApache Version 2commercialcommercialcommercial
Cloud-based only infoOnly available as a cloud servicenononoyesyes
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageCC++
Server operating systemsLinux
OS X
Windows
AIX
HP-UX
Linux
Solaris
Windows
hostedhosted
Data schemeyesschema-freeyesyes infosupport of semi-structured data formats (JSON, XML, Avro)yes
Typing infopredefined data types such as float or dateyesyes infostring, binary, float, bool, date, geometryyesyesyes
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.yesnonoyesno
Secondary indexesyesyesyesyes
SQL infoSupport of SQLyesnoyesyesyes
APIs and other access methodsADO.NET
JDBC
ODBC
RESTful HTTP API
CLI Client
JDBC
ODBC
JDBC
ODBC
Supported programming languagesC infocommunity-supported driver
C# infocommunity-supported driver
C++ infocommunity-supported driver
Clojure infocommunity-supported driver
Dart infocommunity-supported driver
Erlang infocommunity-supported driver
Go infocommunity-supported driver
Haskell infocommunity-supported driver
Java infoofficial driver
JavaScript (Node.js) infoofficial driver
Lisp infocommunity-supported driver
Lua infocommunity-supported driver
Objective-C infocommunity-supported driver
Perl infocommunity-supported driver
PHP infocommunity-supported driver
Python infoofficial driver
Ruby infoofficial driver
Scala infocommunity-supported driver
C
C#
C++
Java
Perl
PHP
Python
Ruby
JavaScript (Node.js)
Python
C
C#
C++
Java
PHP
Python
Ruby
Server-side scripts infoStored proceduresuser defined functionsyesuser defined functionsyes
TriggersyesClient-side triggers through changefeedsyesno infosimilar concept for controling cloud resourcesyes
Partitioning methods infoMethods for storing different data on different nodesyes infobased on PostgreSQLSharding inforange basedshared disk or shared nothing architectures with SAP IQ MultiplexeryesAutomatic sharding
Replication methods infoMethods for redundantly storing data on multiple nodesyes infobased on PostgreSQLSource-replica replicationSAP/Sybase Replication ServeryesMulti-source replication
Source-replica replication
MapReduce infoOffers an API for user-defined Map/Reduce methodsnoyesHadoop integrationnono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyImmediate ConsistencyImmediate ConsistencyImmediate ConsistencyImmediate Consistency
Foreign keys infoReferential integrityyesnoyesyesno
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDAtomic single-document operationsACIDACIDACID
Concurrency infoSupport for concurrent manipulation of datayesyes infoMVCC basedyesyesyes
Durability infoSupport for making data persistentyesyesyesyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.nonononono
User concepts infoAccess controlyes infobased on PostgreSQLyes infousers and table-level permissionsfine grained access rights according to SQL-standardUsers with fine-grained authorization concept, user roles and pluggable authenticationUsers with fine-grained authorization concept

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More resources
PostGISRethinkDBSAP IQ infoformer name: Sybase IQSnowflakeTDSQL for MySQL
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