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Information Technology
Information Technology has to do with the study of and the complete process involved in the development and use of information systems. This includes the design stage, the development, implementation, support and management of information systems. These include both the software application and the hardware components.
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The primary key is an attribute (or a combination of attributes) that uniquely identifies a row. Though not strictly required by relational mathematics, ...
http://immike.net/blog/2007/08/14/database-design-choosing-a-primary-key/
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Listing added: Apr 8, 2008)
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Mar 7, 2002 ... What is a primary key VB Classic. ... I know what a primary key is, but what is the difference between a primary key and a unique clustered ...
http://forums.devx.com/showthread.php?t=47603
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Listing added: Apr 8, 2008)
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Choosing a primary key is one of the most important steps in good database design. A primary key is a table column that serves a special purpose. ...
http://www.sqlmag.com/Article/ArticleID/5113/sql_server_5113.html
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Listing added: Apr 8, 2008)
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This information is called the primary key of the table. Once you designate a primary key for a table, to ensure uniqueness, MySQL will prevent any ...
http://help.scibit.com/Mascon/masconWhat_kind_of_primary_key_should_.html
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Listing added: Apr 8, 2008)
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A model with composite primary keys would look like� class Membership < ActiveRecord::Base # set_primary_keys *keys - turns on composite key functionality ...
http://compositekeys.rubyforge.org/
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Listing added: Apr 8, 2008)
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Feb 24, 2008 ... It seemed to me that if you take a BIPAD, and issue number, and a volume year, you have a pretty good choice for a natural primary key. ...
http://database-programmer.blogspot.com/2008/02/primary-key-that-wasnt.html
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Source documents include invoices, receipts, cancelled checks, etc.
http://www.netmba.com/accounting/fin/process/source/
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Listing added: Apr 8, 2008)
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A source document is a document in which data collected for a clinical trial is first recorded. These data are usually later entered in the case report form ...
http://en.wikipedia.org/wiki/Source_document
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The source document is the original document in the accounting cycle. Some examples of source documents include...
http://www.quickmba.com/accounting/fin/source-document/
PageRank: 3/10
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Listing added: Apr 8, 2008)
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Texts - Primary source documents and transcripts from the Magna Carta to Martin Luther King Jr.'s 'I have a dream' speech. ...
http://www.kn.pacbell.com/wired/fil/pages/listdocumentpa.html
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Listing added: Apr 8, 2008)
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