A tag for pages describing databases and database technology.
Includes Relational, Hierarchical, OO, and other database technologies.

This tag is also used for pages about ObjectPersistence, even though that concept is not necessarily synonomous with "database technology".

'''''Click on the "Category Database" title to see a list of pages that fit into this category.'''''

Related categories: CategoryQueryLanguage CategoryTql CategoryRelationalDatabase CategoryPersistence
-----
'''The first things first...'''

* DatabaseDefinition

'''Implementation aspects'''

* MultiversionConcurrencyControl - used by FireBird (formerly InterBase), Oracle, Gemstone, MySql's InnoDB engine, and PostgreSql
* SnapshotIsolation - ditto

'''Object -vs- Relational discussion'''
* ObjectRelationalImpedanceMismatch ''(...and if it exists or not.  ;-)''
* ObjectsVsRdbmsPerformance
* LetsUseAnObjectOrientedDatabase
* "Object Database vs. Object-Relational Databases" by Steve McClure of Jasmine -- http://www.cai.com/products/jasmine/analyst/idc/14821E.htm
* OoLacksMathArgument
* MultiParadigmDatabase

'''Database Paradigms'''
* RelationalDatabase
* NetworkDatabase
* HierarchicalDatabase
* NavigationalDatabase
* SemanticBinaryModel

'''RelationalDatabase Discussion'''
* AreRdbmssDead?
* PortableSql  ''(patterns for how to do it)''
* NimbleDatabase

'''RelationalDatabase Products'''
''(...possibly with some "object oriented" features)''
* Oracle: OracleDatabase
* Sybase System 10/11
* MicroSoft: SqlServer
* Informix: InformixDynamicServer, InformixUniversalServer (InformixIllustra)
* IBM: DB2 (DbTwo)
* UniSQL/X
* Unisys: OSMOS
* ComputerAssociates: OpenIngres
* RedBrick  ''(specialized for DataWarehousing)''
* SuneidoDatabase
* InterBase
* FireBird
* PostgreSql
* MySql
* SqLite
* AxionDB : AxionDatabase
* NiLOSTEP : XlSql
* TdbEngine
* EnterpriseDb (OracleDatabase clone based on PostgreSql)
* RelProject

* ''See also http://en.wikipedia.org/wiki/Comparison_of_relational_database_management_systems''

'''RelationalDatabase Languages'''
* StructuredQueryLanguage
* TutorialDee
* TqlRoadmap (experimental)

'''ObjectOrientedDatabase Discussion'''
* ArchitectureAndObjectDatabases  ''(...with comments on serveral of the following OODB servers.)''

'''ObjectOrientedDatabase Products'''
* ComputerAssociates: JasmineObjectOrientedDatabase
* db4objects: db4o (DeeBeeFourOh) http://www.db4o.com (open source)
* Gemstone: GemStone
* O2  ''(see also OhTwoUnit)''
* ObjectDesignInc: ObjectStore
* Objectivity: Objectivity/DB
* Versant: VersantODBMS

'''Object-Relational Mapping'''
* TopLink
* Bold
* EnterpriseObjectsFramework (part of WebObjects)
* MultiParadigmDatabase
* HiberNate

'''Traditional HierarchicalDatabase Products'''
* IBM: IMS (IbmIms)

'''Other Database Products'''

* XmlDatabaseServers

'''End User Database''' or '''DesktopDatabase''' A DBMS, including a user interface intended for non technical users.

* CornerStone
* MicrosoftAccess
* FileMakerPro

'''Techniques'''

* DatabaseBestPractices
* FirstNormalForm
* SecondNormalForm
* ThirdNormalForm 
** BoyceCoddNormalForm (BCNF)
* FourthNormalForm
* FifthNormalForm AKA Project-join normal form (PJ/NF)
** DomainKeyNormalForm

'''Speculation'''

* SimplifyingRdbms
* DynamicRelational

-----
CategoryCategory