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Best place to learn SQL - Cheap/Free?
#11
(03-22-2019, 09:02 PM)armstrongsubero Wrote: Besides a DOS based system not connected to the internet is as secure as it comes.

If you live in a world without malicious insiders i suppose. otherwise, there's nothing secure at all about DOS. You're wide open.
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#12
I recommend starting with a completely web based free course where you don't have to install anything. https://www.w3schools.com/sql/default.asp and https://www.codecademy.com/learn/learn-sql are both good.
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#13
Straighterline has a course:
https://www.straighterline.com/online-co...001-b.html#
You need to pass the Microsoft exam afterwards for ~$127.
It transfers to TESU as ITS-130. You could also just grab a test prep book off Amazon.
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#14
(03-22-2019, 07:19 PM)Merlin Wrote: The best way to learn is by doing. If you have programming aptitude then I suspect you won't have an issue.

Though I learned SQL around two decades ago at this point, when I learned it I did so because I wanted to use it for a project. So I installed MySQL on my Linux box and just started playing around with it, using the documentation as a resource. Once I started getting into the more advanced stuff I ended up buying a book on SQL and reading that. Since then I branched out to other SQL variants, but as a programmer, I thought SQL was pretty intuitive.

These days you can watch YouTube videos and there are tons of free web resources available to help you learn SQL. I also recommend Codecademy or Youtube if you don't want to grab an e-book and learn it on your own.

Btw, are you still using COBOL? I did some work with COBOL in the 80's but haven't seen COBOL in use anywhere since the late 90's or early 2000's. I assume if you're still supporting COBOL applications, you must be supporting some legacy business apps or old mainframe TPS services.


COBOL all day, the copyright on the system I use daily is from 1987 I believe. They are actually working on putting a new system in place in an oracle table format so that users going forward will access data from there instead of the current SOR. So I need to be able to use the new Oracle sql database and do some high level overviews of the data in it.
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#15
(03-25-2019, 09:05 AM)Johmford Wrote:
(03-22-2019, 07:19 PM)Merlin Wrote: Btw, are you still using COBOL? I did some work with COBOL in the 80's but haven't seen COBOL in use anywhere since the late 90's or early 2000's. I assume if you're still supporting COBOL applications, you must be supporting some legacy business apps or old mainframe TPS services.

COBOL all day, the copyright on the system I use daily is from 1987 I believe. They are actually working on putting a new system in place in an oracle table format so that users going forward will access data from there instead of the current SOR. So I need to be able to use the new Oracle sql database and do some high level overviews of the data in it.

Wow. Nice to see that they are finally catching up with the times. Smile
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#16
Check your local library. This is a subject that frequently is offered as a free MOOC. Job development centers like Goodwill May offer more advanced classes as well. I took a class through Gateway which had a free partnership with the library.
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