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DBMS > mSQL vs. Oracle vs. PostGIS vs. PouchDB

System Properties Comparison mSQL vs. Oracle vs. PostGIS vs. PouchDB

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Editorial information provided by DB-Engines
NamemSQL infoMini SQL  Xexclude from comparisonOracle  Xexclude from comparisonPostGIS  Xexclude from comparisonPouchDB  Xexclude from comparison
DescriptionmSQL (Mini SQL) is a simple and lightweight RDBMSWidely used RDBMSSpatial extension of PostgreSQLJavaScript DBMS with an API inspired by CouchDB
Primary database modelRelational DBMSRelational DBMSSpatial DBMSDocument store
Secondary database modelsDocument store
Graph DBMS infowith Oracle Spatial and Graph
RDF store infowith Oracle Spatial and Graph
Spatial DBMS infowith Oracle Spatial and Graph
Vector DBMS infosince Oracle 23
Relational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score1.27
Rank#169  Overall
#76  Relational DBMS
Score1244.08
Rank#1  Overall
#1  Relational DBMS
Score21.72
Rank#29  Overall
#1  Spatial DBMS
Score2.34
Rank#112  Overall
#21  Document stores
Websitehughestech.com.au/­products/­msqlwww.oracle.com/­databasepostgis.netpouchdb.com
Technical documentationdocs.oracle.com/­en/­databasepostgis.net/­documentationpouchdb.com/­guides
DeveloperHughes TechnologiesOracleApache Software Foundation
Initial release1994198020052012
Current release4.4, October 202123c, September 20233.4.2, February 20247.1.1, June 2019
License infoCommercial or Open Sourcecommercial infofree licenses can be providedcommercial inforestricted free version is availableOpen Source infoGPL v2.0Open Source
Cloud-based only infoOnly available as a cloud servicenononono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageCC and C++CJavaScript
Server operating systemsAIX
HP-UX
Linux
OS X
Solaris SPARC/x86
Windows
AIX
HP-UX
Linux
OS X
Solaris
Windows
z/OS
server-less, requires a JavaScript environment (browser, Node.js)
Data schemeyesyes infoSchemaless in JSON and XML columnsyesschema-free
Typing infopredefined data types such as float or dateyesyesyesno
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.noyesyesno
Secondary indexesyesyesyesyes infovia views
SQL infoSupport of SQLA subset of ANSI SQL is implemented infono subqueries, aggregate functions, views, foreign keys, triggersyes infowith proprietary extensionsyesno
APIs and other access methodsJDBC
ODBC
JDBC
ODBC
ODP.NET
Oracle Call Interface (OCI)
HTTP REST infoonly for PouchDB Server
JavaScript API
Supported programming languagesC
C++
Delphi
Java
Perl
PHP
Tcl
C
C#
C++
Clojure
Cobol
Delphi
Eiffel
Erlang
Fortran
Groovy
Haskell
Java
JavaScript
Lisp
Objective C
OCaml
Perl
PHP
Python
R
Ruby
Scala
Tcl
Visual Basic
JavaScript
Server-side scripts infoStored proceduresnoPL/SQL infoalso stored procedures in Java possibleuser defined functionsView functions in JavaScript
Triggersnoyesyesyes
Partitioning methods infoMethods for storing different data on different nodesnoneSharding, horizontal partitioningyes infobased on PostgreSQLSharding infowith a proxy-based framework, named couchdb-lounge
Replication methods infoMethods for redundantly storing data on multiple nodesnoneMulti-source replication
Source-replica replication
yes infobased on PostgreSQLMulti-source replication infoalso with CouchDB databases
Source-replica replication infoalso with CouchDB databases
MapReduce infoOffers an API for user-defined Map/Reduce methodsnono infocan be realized in PL/SQLnoyes
Consistency concepts infoMethods to ensure consistency in a distributed systemnoneImmediate ConsistencyImmediate ConsistencyEventual Consistency
Foreign keys infoReferential integritynoyesyesno
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanoACID infoisolation level can be parameterizedACIDno
Concurrency infoSupport for concurrent manipulation of datanoyesyes
Durability infoSupport for making data persistentyesyesyesyes infoby using IndexedDB, WebSQL or LevelDB as backend
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.noyes infoVersion 12c introduced the new option 'Oracle Database In-Memory'noyes
User concepts infoAccess controlnofine grained access rights according to SQL-standardyes infobased on PostgreSQLno

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More resources
mSQL infoMini SQLOraclePostGISPouchDB
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