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A database is an organized collection of data. The term originated within the computer industry, but its meaning has been broadened by popular use, to the extent that the European Database Directive (which creates intellectual property rights for databases) includes non-electronic databases within its definition. This article is confined to a more technical use of the term; though even amongst computing professionals, some attach a much wider meaning to the word than others.
One possible definition is that a database is a collection of records stored in a computer in a systematic way, so that a computer program can consult it to answer questions. For better retrieval and sorting, each record is usually organized as a set of data elements (facts). The items retrieved in answer to queries become information that can be used to make decisions. The computer program used to manage and query a database is known as a database management system (DBMS). The properties and design of database systems are included in the study of information science.
The central concept of a database is that of a collection of records, or pieces of knowledge. Typically, for a given database, there is a structural description of the type of facts held in that database: this description is known as a schema. The schema describes the objects that are represented in the database, and the relationships among them. There are a number of different ways of organizing a schema, that is, of modeling the database structure: these are known as database models (or data models). The model in most common use today is the relational model, which in layman's terms represents all information in the form of multiple related tables each consisting of rows and columns (the true definition uses mathematical terminology). This model represents relationships by the use of values common to more than one table. Other models such as the hierarchical model and the network model use a more explicit representation of relationships.
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@Mitchley now that's a good idea... you know I might just do that... it's just a shame I don't teach databases!
lucymathers (Lucy Mathers) Wed, 04 Nov 2009 09:34:29 -0000
@Mitchley now that's a good idea... you know I might just do that... it's just a shame I don't teach databases!
How do you keep password managers in sync? Running Keepass on two computers, and they databases already have distinct items.
tkoola (Timo Koola) Wed, 04 Nov 2009 09:27:35 -0000
How do you keep password managers in sync? Running Keepass on two computers, and they databases already have distinct items.
RT @davidakka: Integrate your data & business processes across diverse applications, platforms & databases with #ibolt http://ow.ly/yOVE
markusbleichner (Markus Bleichner) Wed, 04 Nov 2009 09:26:12 -0000
RT @davidakka: Integrate your data & business processes across diverse applications, platforms & databases with #ibolt http://ow.ly/yOVE
RT @Ingmario SIARD (Software Independent Archiving of Relational Databases) beschikbaar bij Schweizerische Bundesarchiv http://bit.ly/1LVcZV
TomCobbaert (Tom Cobbaert) Wed, 04 Nov 2009 09:18:33 -0000
RT @Ingmario SIARD (Software Independent Archiving of Relational Databases) beschikbaar bij Schweizerische Bundesarchiv http://bit.ly/1LVcZV
Tuning Up SQL Server 2005 Databases â Developer.com / http://bit.ly/2hCYue
Microsofter (Microsofter) Wed, 04 Nov 2009 09:08:56 -0000
Tuning Up SQL Server 2005 Databases — Developer.com / http://bit.ly/2hCYue
@ifikra: One use of an API might be for input from other human rights databases. It'd also make widget making easier in the long term.
dougiegyro (dougiegyro) Wed, 04 Nov 2009 09:06:18 -0000
@ifikra: One use of an API might be for input from other human rights databases. It'd also make widget making easier in the long term.
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Meta Description: [ ]
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Meta Description: [ Finding and Sorting Data in DataSets
In this tutorial you will learn about Finding and Sorting Data in DataSets - Filtering on Row State and Version, Sorting and Data View Manager. ]
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MSDN: Database Programming with Microsoft FrontPage - Find out how to integrate databases into a site.
MySQL Programming - Article details programming MySQL for web use by Arron Weiss.
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Meta Description: [ AppNotes is Novell's Technical Journal for Network Design, Implementation, Administration, and Integration. ]
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Perl Database Programming - Complete course on using Perl for database web access by Kirrily Robert.
Philip and Alex's Guide to Web Publishing - Informative, funny, easy to read and the recognized bible for people interested in database backed web sites.
PHP MySQL Tutorial - Simple PHP and MySQL tutorial with examples like creating a guestbook, uploading image to database and creating simple content management system (CMS).
Meta Description: [ Soon you will know just how easy it is to build dynamic web pages using php and mysql ]
Populating the TreeView Control from a Database - Introduction to the TreeView and detailed steps for populating the tree from a database using ADO.NET by Don Schlichting.
Meta Description: [ Populating the TreeView Web Control from a database allows menu and input trees to change on the fly. Don Schlichting provides an introduction to the TreeView and then provides detailed steps for populating the tree from a database using ADO.NET. ]
Port ADO SQL applications to ADO.NET? - Article answers the question Should you port your SQL ADO applications gradually to ADO.NET or rewrite them from scratch? by Dino Esposito
Meta Description: [ using SQL ]
SQL Server Identity Columns - SQL server identity column problems, use and scope by Don Schlichting.
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Survey Exec - Online web hosted surveys. Upload your question list, no typing required.
Meta Description: [ Web based online survey software. Just upload your question list, no forms to type. ]
Web Search Engine Results with SQL 2000 - This article demonstrates using MS SQL Full Text Search Engine to obtian web search sytle results by Don Schlichting.
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