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DBMS > Firebird vs. Google Cloud Spanner vs. IBM Db2 vs. Oracle Coherence vs. SiteWhere

System Properties Comparison Firebird vs. Google Cloud Spanner vs. IBM Db2 vs. Oracle Coherence vs. SiteWhere

Editorial information provided by DB-Engines
NameFirebird  Xexclude from comparisonGoogle Cloud Spanner  Xexclude from comparisonIBM Db2 infoformerly named DB2 or IBM Database 2  Xexclude from comparisonOracle Coherence  Xexclude from comparisonSiteWhere  Xexclude from comparison
DescriptionFirebird is an open source RDBMS forked from Borland's InterBaseA horizontally scalable, globally consistent, relational database service. It is the externalization of the core Google database that runs the biggest aspects of Google, like Ads and Google Play.Common in IBM host environments, 2 different versions for host and Windows/LinuxOracles in-memory data grid solutionM2M integration platform for persisting/querying time series data
Primary database modelRelational DBMSRelational DBMSRelational DBMS infoSince Version 10.5 support for JSON/BSON documents compatible with MongoDBKey-value storeTime Series DBMS
Secondary database modelsDocument store
RDF store infoin Db2 LUW (Linux, Unix, Windows)
Spatial DBMS infowith Db2 Spatial Extender
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score20.50
Rank#30  Overall
#18  Relational DBMS
Score2.84
Rank#100  Overall
#51  Relational DBMS
Score125.90
Rank#9  Overall
#6  Relational DBMS
Score1.97
Rank#129  Overall
#22  Key-value stores
Score0.06
Rank#383  Overall
#43  Time Series DBMS
Websitewww.firebirdsql.orgcloud.google.com/­spannerwww.ibm.com/­products/­db2www.oracle.com/­java/­coherencegithub.com/­sitewhere/­sitewhere
Technical documentationwww.firebirdsql.org/­en/­reference-manualscloud.google.com/­spanner/­docswww.ibm.com/­docs/­en/­db2docs.oracle.com/­en/­middleware/­standalone/­coherencesitewhere1.sitewhere.io/­index.html
DeveloperFirebird FoundationGoogleIBMOracleSiteWhere
Initial release2000 infoAs fork of Borland's InterBase20171983 infohost version20072010
Current release5.0.0, January 202412.1, October 201614.1, August 2023
License infoCommercial or Open SourceOpen Source infoInitial Developer's Public Licensecommercialcommercial infofree version is availablecommercialOpen Source infoCommon Public Attribution License Version 1.0
Cloud-based only infoOnly available as a cloud servicenoyesnonono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageC and C++C and C++JavaJava
Server operating systemsAIX
FreeBSD
HP-UX
Linux
OS X
server-less infoFirebird Embedded Server
Solaris
Unix
Windows
hostedAIX
HP-UX
Linux
Solaris
Windows
z/OS
All OS with a Java VMLinux
OS X
Windows
Data schemeyesyesyesschema-freepredefined scheme
Typing infopredefined data types such as float or dateyesyesyesyesyes
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.nonono
Secondary indexesyesyesyesnono
SQL infoSupport of SQLyesyes infoQuery statements complying to ANSI 2011yesnono
APIs and other access methodsADO.NET
C/C++ API
JDBC infoJaybird
ODBC
OLE DB
gRPC (using protocol buffers) API
JDBC infoAt present, JDBC supports read-only queries. No support for DDL or DML statements.
RESTful HTTP API
ADO.NET
JDBC
JSON style queries infoMongoDB compatible
ODBC
XQuery
JCache
JPA
RESTful HTTP API
HTTP REST
Supported programming languagesC
C#
C++
Delphi
Java
JavaScript infoNode.js
Lua
Perl
PHP
Python
Ruby
Go
Java
JavaScript (Node.js)
Python
C
C#
C++
Cobol
Delphi
Fortran
Java
Perl
PHP
Python
Ruby
Visual Basic
.Net
C++
Java
Server-side scripts infoStored proceduresPSQLnoyesno
Triggersyesnoyesyes infoLive Events
Partitioning methods infoMethods for storing different data on different nodesnoneShardingSharding infoonly with Windows/Unix/Linux VersionShardingSharding infobased on HBase
Replication methods infoMethods for redundantly storing data on multiple nodesSource-replica replicationMulti-source replication with 3 replicas for regional instances.yes infowith separate tools (MQ, InfoSphere)yes, with selectable consistency levelselectable replication factor infobased on HBase
MapReduce infoOffers an API for user-defined Map/Reduce methodsnoyes infousing Google Cloud Dataflownonono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyEventual Consistency
Immediate Consistency
Immediate Consistency
Foreign keys infoReferential integrityyesyes infoby using interleaved tables, this features focuses more on performance improvements than on referential integrityyesnono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDACID infoStrict serializable isolationACIDconfigurableno
Concurrency infoSupport for concurrent manipulation of datayes infoFeatures a multi-generational MVCC architecture, readers do not block writersyesyesyesyes
Durability infoSupport for making data persistentyesyesyesyes infooptionallyyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.noyesno
User concepts infoAccess controlUsers with fine-grained authorization conceptAccess rights for users, groups and roles based on Google Cloud Identity and Access Management (IAM)fine grained access rights according to SQL-standardauthentification to access the cache via certificates or http basic authenticationUsers with fine-grained authorization concept

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More resources
FirebirdGoogle Cloud SpannerIBM Db2 infoformerly named DB2 or IBM Database 2Oracle CoherenceSiteWhere
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