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This week, we're updating our course layouts and descriptions. Presentation and materials always gently change over time, but just occasionally there's a need to make a step change to clear out some of the old and roll in the new. That's now happening - but over a long and complex site it's not instant and you'll see sections of the site changing up to and including 19th September.

See also [here] for status update
 
Binary Large Objects or bars

When designing a MySQL table, it's vital to choose the correct data type to hold your information. One such possible is a Blob - a binary large object - which can hold any byte stream that you like (choose the subtype based on maximum size). Ideal for data like images which you won't want to search for any particular content (use seperate columns in your database for descriptions if you need to ) and may contain any bit pattern at all.



In Lancaster yesterday, I learnt that the "Blob Shop" is also a bar ....
(written 2005-06-27, updated 2006-06-05)

 
Associated topics are indexed as below, or enter http://melksh.am/nnnn for individual articles
S154 - MySQL - Designing an SQL Database System
  [3494] Databases - when to treat the rules as guidelines - (2011-10-23)
  [3361] Blowing our own trumpet - MySQL resources - (2011-07-18)
  [3270] SQL - Data v Metadata, and the various stages of data selection - (2011-04-29)
  [2749] Delegate Question - defining MySQL table relationships as you create the tables - (2010-05-02)
  [2204] Images in a database? How big is a database? (MySQL) - (2009-05-28)
  [2085] MySQL - licensing issues, even with using the name - (2009-03-16)
  [2053] What a difference a MySQL Index made - (2009-02-25)
  [1771] More HowTo diagrams - MySQL, Tomcat and Java - (2008-08-24)
  [1575] Database design for a shopping application (MySQL) - (2008-03-15)
  [1423] MySQL - table design and initial testing example - (2007-11-06)
  [945] Code quality counts - (2006-11-26)
  [937] Display an image from a MySQL database in a web page via PHP - (2006-11-22)
  [918] Databases needn't be frightening, hard or expensive - (2006-11-08)
  [666] Database design - get it right from first principles - (2006-04-02)
  [515] MySQL - an FAQ - (2005-12-03)
  [494] MySQL - a score of things to remember - (2005-11-12)
  [375] Oops - I got my initial database design wrong - (2005-07-12)
  [59] MySQL - Pivot tables - (2004-09-22)


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This is a page archived from The Horse's Mouth at http://www.wellho.net/horse/ - the diary and writings of Graham Ellis. Every attempt was made to provide current information at the time the page was written, but things do move forward in our business - new software releases, price changes, new techniques. Please check back via our main site for current courses, prices, versions, etc - any mention of a price in "The Horse's Mouth" cannot be taken as an offer to supply at that price.

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