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For 2023 - we are now fully retired from IT training.
We have made many, many friends over 25 years of teaching about Python, Tcl, Perl, PHP, Lua, Java, C and C++ - and MySQL, Linux and Solaris/SunOS too. Our training notes are now very much out of date, but due to upward compatability most of our examples remain operational and even relevant ad you are welcome to make us if them "as seen" and at your own risk.

Lisa and I (Graham) now live in what was our training centre in Melksham - happy to meet with former delegates here - but do check ahead before coming round. We are far from inactive - rather, enjoying the times that we are retired but still healthy enough in mind and body to be active!

I am also active in many other area and still look after a lot of web sites - you can find an index ((here))
Justification - MySQL v Oracle, Open Source v Commercial

There's a big Open Source (MySQL) v commercial (Oracle) debate. Here are some interesting facts behind the mask.

The financial decision should be based on TCO (Total cost of ownership) rather than on license fees. It's always nice to get "something for nothing" but newcomers fear that they'll spend more in the long term on supporting a product that's open source, and there are a number of scary rumours around.

Typically, licensing fees on a commercial product account for some 25% to 35% of the total cost of ownership. So the license fee in a MySQL v Oracle decision is not as vital as you might think. However, TCO for a MySQL system tends to be anywhere from 75% to 90% less than the Oracle equivalent. I have no proof of these figures, but I can believe them because of

In justification of a commercial route, conservative buyers often talk about responsibility for code and support - if you want that, you can buy a commercial license for your MySQL. At the top of this market, a 24x7 contract with a 1 hour response time will cost you $50k per year, or if you pay $250k you'll get that plus your own assigned engineer who knows your setup in great detail and can be reached at any time by pager. Regular visits, etc. ... this isn't the sort of thing the typical customer needs, but it's something that the big NYSE companies require where their systems are trading billions.

Licenses available are
 ELA Enterprise License Agreement
 VAR Value Added Reseller
 OEM Typically an integrator who includes MySQL in commercial product
 EULA End User License Agreement
 GPL Open Source License

Typically, the GPL works fine for most end users, but it's largely untested in courts or law and if lawyers get involved with bigger companies, they typically prefer to go for the EULA even though it costs.

The general answer to the question "do I need to buy a license" is - if you're for free, then it's free. If you are using it in your proprietary system, then you need a commercial license

See also SQL and MySQL training courses

Please note that articles in this section of our web site were current and correct to the best of our ability when published, but by the nature of our business may go out of date quite quickly. The quoting of a price, contract term or any other information in this area of our website is NOT an offer to supply now on those terms - please check back via our main web site

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resource index - MySQL
Solutions centre home page

You'll find shorter technical items at The Horse's Mouth and delegate's questions answered at the Opentalk forum.

At Well House Consultants, we provide training courses on subjects such as Ruby, Lua, Perl, Python, Linux, C, C++, Tcl/Tk, Tomcat, PHP and MySQL. We're asked (and answer) many questions, and answers to those which are of general interest are published in this area of our site.

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