A '''Database Management System''', or DBMS, is a program or set of programs
for managing [database%|%databases].



** Description **

A DBMS is typically responsible for

   * providing storage for a structured, integrated, coherent collection of data
   * allowing the collection of data to always represent the current state of some part of the real world
   * providing the current state to an organisation which needs it to function
   * ensuring that the current state is correctly represented
   * allowing access to and use of the collection of data by one or more applications and/or users
   * providing protection for crucial data for the organisation using it

To carry out these responsibilites a DBMS usually features:

   * data structure definition facilities with provision for specifying and enforcing relationships between different types of data.
   * a data update facility
   * query languages and tools
   * provision for integrity checks
   * access and concurrency management
   * backup and recovery facilities


** Little Database Systems **

   [adb]:   a pure-tcl database engine with optional (non-pure) extensions to MySQL and XML


   [TclVSdb]:   Very Simple Database package Native Tcl database facility, written in Tcl

   [Starbase.tcl]:   

   [A simple database]:   [RS]:  Here I want to explore how a database can be implemented in the Tcl spirit of simplicity, and how far that approach takes us

   [ANSI color control]:   tables of pre-defined columns, and something that mimics [SQL] SELECT a bit



** Pre-Relational Database Systems **


   [Berkeley DB]:   Includes Tcl Extension for accessing all the functionality

   [gdbm]:   



** Hybrid Database Systems **

   [Metakit]:   has a wonderful Tcl binding that makes all the power of Metakit available in a natural and intuitive way.



** Object Databases **

   [OBST]:   



** Time Series Database Systems **

   [FameTcl]:   

   [tsdb], by [EF]:   Stores time series data in basic (and mostly ordered) text files.



** Specialized Database Systems **

   [ftp://ftp.tcl.tk/pub/tcl/all/n/NLItcl/0/NLItcl.tar.gz%|%NLItcl.tar.gz]:   Natural Language Inc's NLI binding

   [PiTcl]:   [Palm Pilot]

   Lotus Notes:   [TKHINote]

   Sun Net Manager:   [TCLSNM]



** [RDBMS%|%Relational Database Systems] **

See [RDBMS]



** Graph Database Systems **

   [Neo4j]:   



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