multiple issues context August 2010 unreferenced August 2010 orphan August 2010 Types of DBMS There are three main types of Database Management System DBMS and these types are based upon their management of database structure s. In other words, the types of DBMS are entirely dependent upon how the database is structured by that particular DBMS. The types of DBMS are Hierarchical DBMS A DBMS is said to be hierarchical if the relationships among data in the database are established in such a way that one data item is present as the subordinate of another one. Here subordinate means that items have parent child relationships among them. Direct relationships exist between any two records that are stored consecutively. The data structure tree is followed by the DBMS to structure the database. No backward movement is possible allowed in the hierarchical database . Most of the older DBMS such as Dbase , FoxPro etc. are hierarchical which are rarely used nowadays. Network DBMS A DBMS is said to be a Network DBMS if the relationships among data in the database are of type many to many . The relationships among many to many appears in the form of a network. Thus the structure of a network database is extremely complicated because of these many to many relationships in which one record can be used as a key of the entire database. A network database is structured in the form of a graph that is also a data structure. Though the structure of such a DBMS is highly complicated however it has two basic elements i.e. records and sets to designate many to many relationships. Mainly high level languages such as Pascal , COBOL and FORTRAN etc. were used to implement the records and set structures.But it s very difficult to understand. Relational DBMS A DBMS is said to be a Relational DBMS or RDBMS if the database relationships are treated in the form of a table. A statical table that is composed of rows and columns is used to organize the database and its structure and is actually a two ... more details
Infobox software name Polyhedra DBMS logo screenshot caption developer ENEA AB released 1993 latest release version 8.4 latest release date 30 December 2010 latest preview version latest preview date release location operating system Cross platform Platforms List programming language C , plus Java programming language Java for the JDBC driver language C programming language C C , Java programming language Java genre In memory database in memory Relational database management system RDBMS Flash file system flash based Relational database management system RDBMS license Proprietary software Proprietary website http www.enea.com polyhedra http www.polyhedra.com Polyhedra is a family of relational database management system s offered by ENEA AB , a Sweden Swedish company. The original version of Polyhedra now referred to as Polyhedra IMDB was an In memory database in memory database management system which could be used in high availability configurations in 2006 Polyhedra FlashLite was introduced to allow database s to be stored in Flash memory ref . http www.enea.com templates Extension 8923.aspx Enea Announces Flash Based Relational Database Management System ref All versions employ the client server model to ensure the data are protected from misbehaving application software, and they use the same SQL , ODBC and JDBC type 4 driver Type 4 Driver Native Protocol Driver type 4 JDBC interfaces. Polyhedra is targeted primarily for Embedded system embedded use by Original Equipment ... DBMS for historical data as part of his PhD work ref http www.tim king.com Tim King Home Page Bot generated ... choose the durability model when they issue their transactions. The Polyhedra DBMS system is fundamentally ... purpose DBMS, as the restricted transactional model does not meet all needs, and its fault tolerance ... release of an in memory DBMS Relational DBMS Relational DBMS RDBMS . 1995 Ported to Microsoft Windows ... references Use dmy dates date September 2010 DEFAULTSORT Polyhedra Dbms Category Proprietary ... more details
Summary logo fur REQUIRED Article D.B.M.S. English School Use Infobox HIGHLY RECOMMENDED Source ADDITIONAL INFORMATION Used for D.B.M.S. English School Owner D.B.M.S. English School Website http dbms.edu.in History Commentary OVERRIDE FIELDS Description Portion Low resolution Purpose Replaceability other information Licensing non free logo ... more details
Infobox school image logo Image dbms logo.png caption School emblem name D.B.M.S. English School motto Vasudaiva Kutumbakam established 1965 type Private School motto Jyotirmaye Jyotirdehi motto translation Dispel the darkness of ignorance by spreading the light of knowledge principal Rajani Shekhar viceprincipal Mr.P.K.Sahu enrollment 3135 faculty 125 staff 60 students LKG 10th ICSE and 12th grade ISC streetaddress Road No. 7 location B. H. Area region Kadma city Jamshedpur state Jharkhand country India postcode 831005 coordinates Coord 22 48 30.58 N 86 10 22.96 E region IN display inline,title schoolboard CISCE medium English gender Co educational publication Glimpses information 91 657 2305367 homepage http dbms.edu.in footnotes D.B.M.S. English School is an English medium private co educational day school run by Dakshin Bharat Mahila Samaj in the city of Jamshedpur, India . The school motto is Jyotirmaye Jyotirdehi meaning Dispel the darkness of ignorance by spreading the light of knowledge . The school is affiliated with the Council for the Indian School Certificate Examinations in New Delhi and also offers the Ten Plus Two course with students specialising in Arts, Science and Commerce at the Plus Two level. It has grades from kindergarten to 12th Plus Two , with two kindergarten ... Mahila Samaj D.B.M.S. , an association of ladies from South India. The Samaj was founded in 1944 with the motto Vasudeva Kutumbakam the world is a family. The Samaj manages D.B.M.S. English School and its sister institutions. The other institutions under it are D.B.M.S. Girls H.S. School founded in 1961 D.B.M.S. Career Academy started in 1992 Binapani School for tribal education at Ghorabhanda, beyond Telco started in 2001 D.B.M.S. Kadma Girls School a Tata Steel school whose management was taken over in 2003 D.B.M.S. Liliput School started in 2004 Adult Education started in 2006 Principals Mr ... DEFAULTSORT D.B.M.S. English School, Jamshedpur Category High schools in India Category Private schools ... more details
refimprove date September 2009 A column oriented DBMS is a database management system DBMS that stores its content by column rather than by row. This has advantages for data warehouse s and library catalogues where aggregates are computed over large numbers of similar data items. It is possible to achieve some benefits of column oriented and row oriented organization with any database. By denoting one as column oriented we are referring to both the ease of expression of a column oriented structure and the focus on optimizations for column oriented workloads. ref http doi.acm.org 10.1145 318898.318923 A decomposition storage model , Copeland, George P. and Khoshafian, Setrag N., SIGMOD 85, 1985. ref ref name C Store http db.lcs.mit.edu projects cstore vldb.pdf C Store A column oriented DBMS , Stonebraker et al., Proceedings of the 31st VLDB Conference, Trondheim, Norway, 2005 ref This approach is in contrast to row oriented or row store databases and with correlation database s, which use a value based storage structure. Description A database program must show its data as two dimensional tables, of columns and rows, but store it as one dimensional strings. For example, a database might have this table. class wikitable EmpId Lastname Firstname Salary 1 Smith Joe 40000 2 Jones Mary 50000 3 Johnson Cathy 44000 This simple table includes an employee identifier EmpId , name fields Lastname and Firstname and a salary Salary . This table exists in the computer s memory RAM and storage hard drive . Although RAM and hard drives differ mechanically, the computer s operating system abstracts ... from the early days of DBMS development, beginning in the 1970s. For example, Statistics Canada implemented the RAPID system ref http portal.acm.org citation.cfm?id 1286746 A DBMS for Large ... oriented DBMS class. However, that has changed rapidly in the last few years When date February 2011 ... Oriented Dbms Category Database management systems Category Types of databases de Spaltenorientierte ... more details
Orphan date February 2009 In computing, a granule is a unit of contiguous adjacent bordering virtual memory allocated to a process. In the Oracle DBMS , the Oracle server allocates the system global area SGA in granule units at the time of instance startup. During the startup, each component acquires as many granules as it requires. The SGA can be said to consist of linked granules. The granule size depends on the database version and sometimes on the operating system. In Oracle 9i and earlier, it is 4 MB if the SGA size is less than 128 MB, and 16 MB otherwise. For later releases, it is typically 4 MB if the SGA size is less than 1 GB, and 16 MB otherwise. ref cite web url http www.orafaq.com wiki Granule title Granule publisher The Oracle FAQ accessdate 2009 04 11 ref There must be at least 3 granules in the SGA one for the Database Buffer Cache, one for the Shared Pool Area and one for the Redo log Redo Log Buffer. It is possible to retrieve information about the current granule size at any time by querying the dynamic view V SGAINFO. ref cite web url http www.labo oracle.com tips Determining 20the 20granule 20size 20on 20Oracle 2010g title Determining the granule size on Oracle 10g publisher SUPINFO Oracle Laboratory accessdate 2009 04 11 ref Notes reflist Category Oracle software Category Computing terminology database software stub ... more details
Infobox software name H2 Database Engine logo Image H2 logo.png H2 Database Engine screenshot Image H2 web console.PNG 300px caption H2 web console running in Internet Explorer 7.0 collapsible yes developer latest release version 1.2.147 latest release date release date 2010 11 21 latest preview version latest preview date operating system Cross platform programming language Java programming language Java genre Relational Database Management System license Mozilla Public License or Eclipse Public License website http www.h2database.com H2 is a relational database management system written in Java programming language Java . It can be embedded in Java applications or run in the client server mode. ref cite web title Presentation and use of H2 Database Engine url http www.baptiste wicht.com 2010 08 presentation usage h2 database engine ref The disk footprint size of the JAR file format jar file is about 1 MB. ref cite web title Jar File Download url http repo2.maven.org maven2 com h2database h2 ref The software is available as open source software under modified versions of the Mozilla Public License or the original Eclipse Public License . The modification of the MPL is a shorter file header and the license name. ref cite web title OpenLogic Exchange Package Listing url http olex.openlogic.com packages h2database ref Main features A subset of the SQL Structured Query Language standard is supported. The main programming APIs are SQL and JDBC , however the database also supports using the PostgreSQL ODBC driver by acting like a PostgreSQL server. ref cite web title H2 Database supports PostgreSQL ODBC driver url http www.theserverside.com news thread.tss?thread id 46456 ref It is possible to create both in memory tables, as well as disk based tables. Tables can be persistent or temporary. Index types are hash table and tree for in memory tables, and b tree for disk based tables. All data manipulation operations are Database transaction transactional . Table level locki ... more details
Infobox Software name Rel logo screenshot caption author Dave Voorhis developer released latest release version 1.0.6 Beta latest release date release date and age 2011 2 26 latest preview version programming language Java programming language Java operating system Linux , Microsoft Windows Windows , Unix , Mac OS X Mac language status Active genre database management system license Apache License website http dbappbuilder.sourceforge.net Rel is an open source true relational model relational database management system that implements a significant portion of Christopher J. Date Chris Date and Hugh Darwen s D data language specification Tutorial D query language . Primarily intended for teaching purposes, Rel is written in the Java programming language Java programming language . See also D data language specification The Third Manifesto D4 programming language Dataphor External links http dbappbuilder.sourceforge.net Rel.html Rel Category Open source database management systems database software stub ... more details
Micro was one of the earliest set theoretic relational database management system s. ref http doi.acm.org 10.1145 1095495.1095500 A set theoretic data structure and retrieval language , William R. Hershey and Carol H. Easthope, Papers from the Session on Data Structures, Spring Joint Computer Conference, May 1972 in ACM SIGIR Forum , Volume 7, Issue 4 December 1972 , pp. 45 55, DOI 10.1145 1095495.1095500, Special Interest Group on Information Retrieval, Association for Computing Machinery, New York, NY, USA ref It s major underpinnings and algorithms were based on the Set Theoretic model of David Childs of the University of Michigan s CONCOMP Conversational Use of Computers Project. ref http www.drdobbs.com blog archives 2010 03 data models acc.html jsessionid FVGKQKEPO24D5QE1GHPSKHWATMY32JVN Sets, Data Models and Data Independence , by Ken North a Dr. Dobb s Blogger, March 10, 2010 ref ref http hdl.handle.net 2027.42 4163 Description of a set theoretic data structure , David L. Childs, 1968, Technical Report 3 of the CONCOMP Research in Conversational Use of Computers Project, University of Michigan, Ann Arbor, Michigan, USA ref ref http hdl.handle.net 2027.42 4164 Feasibility of a Set Theoretic Data Structure A General Structure Based on a Reconstituted Definition of Relation , David L. Childs, 1968, Technical Report 6 of the CONCOMP Research in Conversational Use of Computers Project, University of Michigan, Ann Arbor, Michigan, USA ref It was also influenced to a lesser extent by the Relational database relational model made famous by Edgar F. Codd a research scientist at IBM. ref http dx.doi.org 10.1145 362384.362685 A Relational Model of Data for Large Shared Data Banks , E.F. Codd, Communications of the ACM, volume 13, issue 6 June 1970 , pp.77 387, doi 10.1145 362384.362685 ref It used a natural language interface which allowed non programmers to use the system. ref MICRO Information Management System Version 5.0 Reference Manual, M.A. Kahn, D.L. Rumelhart, ... more details
M204 or M 204 may refer to Model 204 , a DBMS for IBM and compatible mainframes M 204 Michigan highway , a state highway in Michigan Letter NumberCombDisambig ... more details
Non free use rationale Article Polyhedra DBMS Description Diagram summarising release history of Polyhedra DBMS Source Enea AB. Diagram is taken from powerpoint file of an Enea sales presentation, posted with permission from Enea for use in the Polyhedra DBMS wikipedia article Portion Low resolution Purpose Illustrating the product release history. Replaceability other information ... more details
PAGENAME has two meanings Visual FoxPro an object oriented programming language and RDBMS , published by Microsoft, for Microsoft Windows. FoxPro 2 a text based procedural programming language and DBMS , originally published by Fox Software and later by Microsoft, for MS DOS, Microsoft Windows, Macintosh, and UNIX Disambig zh FoxPro ... more details
morereferences date October 2008 A database system is a term that is typically used to encapsulate the constructs of a data model , database Management system DBMS and database . ref Beynon Davies P. 2004 . Database Systems 3rd Edition. Palgrave, Basingstoke, UK. ISBN 1 4039 1601 2 ref A database is an organised pool of logically related data. Data is stored within the data structures of the database. A DBMS is a suite of computer software providing the interface between users and a database or databases. A DBMS is a shell which surrounds a database or series of databases and through which all interactions take place with the database. The interactions catered for by most existing DBMS fall into four main groups Data Definition. Defining new data structures for a database, removing data structures from the database, modifying the structure of existing data. Data Maintenance. Inserting new data into existing data structures, updating data in existing data structures, deleting data from existing data structures. Data Retrieval. Querying existing data by end users and extracting data for use by application programs. Data Control. Creating and monitoring users of the database, restricting access to data in the database and monitoring the performance of databases. Both a database and its DBMS conform to the principles of a particular data model. ref Tsitchizris, D. C. and F. H. Lochovsky 1982 . Data Models. Englewood Cliffs, Prentice Hall. ref Data models include the Hierarchical model hierarchical data model , the Network model network data model , the Relational model relational data model and the Object database object oriented data model . See also Heterogeneous Database System References reflist Database models DEFAULTSORT Database System Category Database management systems ko ru ... more details
C Store is a database management system DBMS based on a column oriented DBMS developed by a team at Brown University , Brandeis University and the Massachusetts Institute of Technology , including Michael Stonebraker and Samuel Madden MIT . C Store differs from most traditional relational database management system RDBMS designs in many ways, perhaps most notably in that it stores data by column and not by row, optimizing the database for reading of data rather than writing. C Store is licensed under the BSD license . Stonebraker and his colleagues have formed a company Vertica to commercialize C Store. Bibliography cite conference authorlink Michael Stonebraker first Mike last Stonebraker coauthors et al. title C Store A Column oriented DBMS booktitle Proceedings of the 31st VLDB Conference location Trondheim, Norway date 2005 url http db.lcs.mit.edu projects cstore vldb.pdf format PDF External links cite web url http db.lcs.mit.edu projects cstore title C store home page cite web url http glinden.blogspot.com 2006 05 c store and google bigtable.html title Comparison of C Store and BigTable format blog work Geeking with Greg author Greg Linden date 2006 05 16 Category Open source database management systems database software stub ja C Store ru C Store ... more details
notability date January 2010 unreferenced date January 2010 Database Programmer s Toolkit DPT is a freeware product which emulates Computer Corporation of America CCA s Model 204 DBMS . DPT was created by Richard Groves in September 2004 Version 0.1 as a basic Model 204 emulator where User Language code could be executed without the need for a IBM mainframe mainframe . The original version was based upon the V4.2 release of Model 204. DPT Version 2.0 has since been expanded on and improved to cover much of Model 204 s functionality and then some new features of its own. The product now incorporates a development environment with an emulation of the 4GL User Language, DBMS and built in web server . The web server component allows for simple and straightforward HTML to be used dynamically as the DBMS, web server and application server are all built into the product. There are currently a number of sites using DPT as the web server and backend. The product is a classic client server application with the Scintilla editing component Scintilla based front end allowing IBM 3270 style full screen user interaction and also providing a smart editor capability. External links http www.cca int.com Computer Corporation of America http www.stirlingcc.gotdns.com DPT Hosting Example Stirling Cricket Club Category Proprietary database management systems ... more details
The SQL Schemata , or Information and Definition Schemas , part to the SQL standard is defined by ISO IEC 9075 11 2008. SQL Schemata defines the Information Schema and Definition Schema, providing a common set of tools to make SQL database databases and objects self describing. These tools include the SQL object identifier, structure and integrity constraints , security and authorization specifications, features and packages of ISO IEC 9075, support of features provided by SQL based DBMS implementations, SQL based DBMS implementation information and sizing items, and the values supported by the DBMS implementations. ref name ISO IEC 9075 11 2008 Citation title ISO IEC 9075 11 2008 Information and Definition Schemas SQL Schemata pages p. 1 year 2008 ref . SQL Schemata defines a number of features, some of which are mandatory. See also Data dictionary SQL SQL 2003 References references External links Category SQL database stub ru SQL Schemata ... more details
Unreferenced stub auto yes date December 2009 SQL DS Structured Query Language Data System was IBM s first commercial implementation for its Mainframe computer mainframe computer s of a DBMS Database Management System built around the SQL language. SQL DS is an imperfect software implementation of Dr. E. F. Codd s Relational Model for data management. SQL DS ran on the DOS VSE and VM operating system VM CMS operating systems. It came to market in the early 1980s. A little later, IBM also introduced IBM DB2 DB2 , another SQL based DBMS, this one for the MVS operating system. The two products have coexisted since then however, SQL DS was rebranded as DB2 for VM and VSE in the late 1990s. See also System 38 IBM DB2 DEFAULTSORT Ibm Sql Ds Category IBM software Sql DS Database software stub ja SQL DS ... more details
The R BASE System is a relational database management system for DOS and Microsoft Windows Windows from R BASE Technologies , Inc., Murrysville, PA. It provides a complete programming language as well as an application generator for developing programs. Options include Oterro software, which provides connectivity from any ODBC compliant application to R Base R BASE , and R Tango Web Solution Suite, which provides Web connectivity to R BASE. Introduced in 1981 and originally developed by Microrim of Bellevue, WA, R BASE was the first DBMS to compete with dBASE II , the leading personal computer DBMS of that era. R BASE was acquired by R BASE Technologies in 1998. update date November 2010 As of April 2006, the R BASE system is at version 7.5. References FOLDOC http www.rbase.com RBASE homepage DEFAULTSORT R Base System Category Query languages compu lang stub ... more details
Sav Zigzag is a mobile object relational DBMS ORDBMS supporting Zigzag language, more expressive than SQL and XQuery. Zigzag algebraic expressions enable lightly to process not only tabular data but also hierarchic, for example XML with its dynamic and multi level structure. The some peculiarities of Zigzag database many valued data, multi level classification, dynamic structure, automatic data integrity control, and class inheritance. DBMS Sav Zigzag may be installed on PC, PDA and even on the mobile phone smartphone, commutator . See also List of relational database management systems Comparison of relational database management systems External links http savtechno.com Official site of Sav Zigzag ORDBMS developers database software stub Category Proprietary database management systems ru Sav Zigzag ... more details
tables and indexes are placed on separate disks to balance I O and prevent read queuing. DBMS tuning DBMS tuning refers to tuning of the DBMS and the configuration of the memory and processing resources of the computer running the DBMS. This is typically done through configuring the DBMS, but the resources involved are shared with the host system . Tuning the DBMS can involve setting the recovery ... with eight processors, six could be reserved for the DBMS to maximize available processing resources ... log backups are smaller, so they interrupt database activity for shorter periods of time. DBMS ... more details
Unreferenced date December 2009 Orphan date February 2009 XDB Enterprise Server is a relational database management system, or DBMS , which was available for DOS , Windows NT and OS 2 , and was fully compatible with IBM DB2 IBM s DB2 database. The system was developed by XDB Systems, Inc. , which was acquired by Micro Focus Micro Focus International group in 1998. It is still shipped with Micro Focus COBOL software solution. DEFAULTSORT Xdb Enterprise Server Category Proprietary database management systems Business software stub ... more details
Unreferenced date May 2009 In a very generic sense, the term Transactions Per Second refers to the number of atomic actions performed by certain entity per second. In a more restricted view, the term is usually used by DBMS vendor and user community to refer to the number of database transaction s performed per second. See also Query Throughput Databases Category Databases Category Transaction processing ... more details
Wiktionarypar drizzle Drizzle may refer to Drizzle , a fairly steady, light precipitation Drizzle film , a 2005 Ukrainian short feature film Drizzle image processing , method for the linear reconstruction of undersampled images Super Hero Aqua Teen Hunger Force episode The Drizzle , alter ego for Adult Swim character Master Shake . Drizzle database server , a fork of MySQL DBMS. http en.wikipedia.org w index.php?title Special Log delete&page Drizzle Database disambig ... more details
The Formatted File System FFS is the name of a series of Database Management System Database Management Systems DBMS developed for military use and designed to run on IBM mainframe computers. The period from 1964 to 1968 saw the transition from isolated DBMS development efforts to the development of DBMS families. The Formatted File System is one such family. Others included General Electric s Integrated Data Store IDS family, and the MARK IV Software Mark IV series developed by Informatics General Informatics Inc. later acquired by Sterling Software . These families were developed across organizations and branches of government, spreading and evolving with their primary developers. Beginning around 1968, industry DBMS development became increasingly proprietary. Family Members IRS DTMB , 1958, IBM 704 Information Retrieval System David Taylor Model Basin TUFF TUG DTMB , 1959, IBM 704 9 Tape Update for Formatted Files Tape Updater and Generator David Taylor Model Basin FFS SAC , 1961, IBM 7090 Formatted File System Strategic Air Command FFS IDHS , 1963, IBM 1401 Formatted File System Intelligence Data Handling System FFS FICEUR , 1963, IBM 1410 Formatted File System Naval Fleet Intelligence Center in Europe FFS DIA IDHS , 1965, IBM 1410 Formatted File System Defense Intelligence Agency Intelligence Data Handling System GIS, 1965, IBM SYSTEM 360 Generalized Information System NIPS, 1965, IBM 1410 NMCS National Military Command System Information Processing System NIPS, 1968, IBM SYSTEM 360 NMCS National Military Command System Information Processing System CDMS, 1968, IBM SYSTEM 360 Cobol Data Management System References Citation surname1 Fry given1 James P. surname2 Sibley given2 Edgar H. title Evolution of Data Base Management Systems journal Computing Surveys volume 8 issue 1 year 1976 pages 20 25 url http portal.acm.org citation.cfm?id 356664&coll ACM&dl ACM&CFID 5164764&CFTOKEN 69263083 database software stub Category Database management systems ... more details
See DBMS for a shorter list of typical , representative database management systems. Current software 4th Dimension Software 4th Dimension Adabas D Alpha Five Apache Derby Aster Data Systems Aster Data Altibase BlackRay DATACOM DB CA Datacom Clarion programming language Clarion Clustrix CSQL CUBRID Daffodil database DataEase http www.dmc fr.com Data Management Center DMC Database Management Library Dataphor DB Fast Apache Derby Derby aka Java DB ElevateDB empress database Empress Embedded Database EnterpriseDB http www.EffiProz.com EffiProz eXtremeDB fastDB FileMaker Pro Firebird database server Firebird http www.FrontBase.com FrontBase Gladius DB Greenplum GroveSite H2 DBMS H2 Helix database HSQLDB SQLDB IBM DB2 IBM Lotus Approach WCE SL Plus IBM DB2 Express C Infobright Informix Ingres database Ingres InterBase InterSystems Cach GT.M Kognitio Linter SQL RDBMS Linter MariaDB MaxDB Mckoi SQL Database Microsoft Access Microsoft Jet Database Engine part of Microsoft Access Microsoft SQL Server Microsoft SQL Server Express Microsoft Visual FoxPro Mimer SQL MonetDB mSQL MySQL Netezza NonStop SQL Openbase OpenLinkVirtuoso OpenLink Virtuoso Open Source Edition Virtuoso Universal Server OpenLink Virtuoso Universal Server Oracle database Oracle Oracle Rdb for OpenVMS Panorama database engine Panorama Pervasive.SQL Pervasive PostgreSQL Progress Software RDM Embedded RDM Server SAS System ... Lee, Inc. Britton Lee IDM Cornerstone software Cornerstone Micro DBMS Oracle Rdb Paradox database Paradox ... Current Alphora Dataphor a proprietary virtual, federated DBMS and RAD MS .Net IDE . Bandicoot database Bandicoot open source DBMS CsiDB proprietary C library . D flat DBMS D flat unreleased MS .Net academic project . Duro DBMS Duro free C library . Opus DMBS Opus free C libraries . Rel DBMS Rel free Java implementation . Muldis Rosetta DBMS Muldis Rosetta free Perl implementation . Aldat implemented in Relix and JRelix A pure relational DBMS implemented in McGill University. It features clear ... more details
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