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DBMS > Oracle

Oracle System Properties

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Editorial information provided by DB-Engines
NameOracle
DescriptionWidely used RDBMS
Primary database modelRelational DBMS
Secondary database modelsDocument store
Graph DBMS infowith Oracle Spatial and Graph
RDF store infowith Oracle Spatial and Graph
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score1345.00
Rank#1  Overall
#1  Relational DBMS
Websitewww.oracle.com/­database
Technical documentationdocs.oracle.com/­en/­database
DeveloperOracle
Initial release1980
Current release19c, February 2019
License infoCommercial or Open Sourcecommercial inforestricted free version is available
Cloud-based only infoOnly available as a cloud serviceno
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageC and C++
Server operating systemsAIX
HP-UX
Linux
OS X
Solaris
Windows
z/OS
Data schemeyes infoSchemaless in JSON and XML columns
Typing infopredefined data types such as float or dateyes
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.yes
Secondary indexesyes
SQL infoSupport of SQLyes infowith proprietary extensions
APIs and other access methodsJDBC
ODBC
ODP.NET
Oracle Call Interface (OCI)
Supported programming languagesC
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
Server-side scripts infoStored proceduresPL/SQL infoalso stored procedures in Java possible
Triggersyes
Partitioning methods infoMethods for storing different data on different nodeshorizontal partitioning infowith the optional Oracle Partitioning
Replication methods infoMethods for redundantly storing data on multiple nodesMulti-source replication
Source-replica replication
MapReduce infoOffers an API for user-defined Map/Reduce methodsno infocan be realized in PL/SQL
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate Consistency
Foreign keys infoReferential integrityyes
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACID infoisolation level can be parameterized
Concurrency infoSupport for concurrent manipulation of datayes
Durability infoSupport for making data persistentyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yes infoVersion 12c introduced the new option 'Oracle Database In-Memory'
User concepts infoAccess controlfine grained access rights according to SQL-standard
More information provided by the system vendor
Oracle
Specific characteristics

Oracle Database (commonly referred to as Oracle RDBMS or simply as Oracle) is a multi-model database. Supporting Relational, Columnar, XML, JSON, Spatial, Graph and untructured Data. 

It is the world's most popular database for running online transaction processing (OLTP), data warehousing (DW) and mixed (OLTP & DW) database workloads. Oracle Database 18c, is now available on-prem, on-Cloud, or in a hybrid-Cloud environment. Oracle Database 18c may also be deployed on Oracle Engineered Systems (e.g. Exadata) on-prem, on Oracle (public) Cloud or (private) Cloud at Customer (e.g. Exadata Cloud at Customer).

Oracle Autonomous Database is the next generation of the industry-leading database, Oracle Autonomous Database Cloud offers total automation based on machine learning and eliminates human labor, human error, and manual tuning.

Oracle has also just recently released Oracle Database 19c for Exadata on Premises with additional platforms rolling out over the coming weeks.

Licensing and pricing models

Oracle Database Cloud Services
Customers can choose from a wide range of database services on Oracle Cloud that are available as 'pay as you go' hourly and monthly rates, and also have the option to re-use existing on-prem licenses on Oracle Cloud via a Bring Your Own License (BYOL) program. 

Oracle Database On-Premise Licensing
Prospective purchasers can obtain licenses for on-prem deployment based either on the number of processors in their target machines or on the number of potential seats ("named users"). The term "per processor" for Oracle Database Enterprise Edition is defined with respect to physical cores and a processor core multiplier (common processors = 0.5*cores). e.g. An 8-processor, 32-core server using Intel Xeon 56XX CPUs would require 16 processor licenses. The low entry cost, Oracle Database Standard Edition 2 (SE2), includes Real Application Clusters and may be deployed on servers or clusters with a maximum of 2 sockets total.

Oracle Database Express Edition 18c (XE) offers a free version of the Oracle RDBMS, but one limited to 12 GB of user data and to 2 GB of memory used by the database (SGA+PGA). XE runs Windows and Linux, but not on AIX, Solaris, HP-UX and the other operating systems available for other editions. Support is via a free Oracle Discussion Forum only.

Related products and services
DBHawk: Secure access to SQL, NoSQL and Cloud databases with an all-in-one solution.
Navicat for Oracle improves the efficiency and productivity of Oracle developers and administrators with a streamlined working environment.
General SQL Parser: Instantly adding parsing, decoding, analysis and rewrite SQL processing capability to your products.

We invite representatives of vendors of related products to contact us for presenting information about their offerings here.

More resources
Oracle
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