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Exercises in t-SQL


Exercises in t-SQL

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T4FF
T4FF
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I'm in the process of setting up a training environment here, it's a mechanism for me to bring high flyers in from the business and give them somewhere to learn SQL.

I've got training content and t-SQL CBTs etc, but I was wondering whether there were any standard t-SQL exercises that I can make use of that are based on Adventureworks? Or if not, something that I could tailor for my environment?

Anyone know of any decent content? This would be from complete beginner up...
bitbucket-25253
bitbucket-25253
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Not truly knowing your groups background and how deep in depth you wish to go with your training, may I suggest reviewing the "SPACKLE" articles here on SSC.

Just enter the term "SPACKLE" in the search window in the upper right hand corner of this page and give it a quick look over.

If everything seems to be going well, you have obviously overlooked something.

Ron

Please help us, help you -before posting a question please read

Before posting a performance problem please read
T4FF
T4FF
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bitbucket-25253 (11/13/2012)
Just enter the term "SPACKLE" in the search window in the upper right hand corner of this page and give it a quick look over.


That is actually quite useful, but not what I'm looking for (this will be of value though!). What I'm looking for is exercises for the guys to do (who could be literally learning how to write a SELECT statement for the first time). I.e. can you pick out all the staff called bob from adventureworks who are right handed (random!). That kind of thing. I can write a load up myself, but I'm hoping someone else has done it for me :-D
CapnHector
CapnHector
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I just wrote up a similar course and could not find any sample data to my liking. I started with Adventureworks but due to the multiple schema's decided against it for my class. went with a much simpler setup using only the default schema. i also looked at it as a good exercise for generating random test data. Really helped me in that area and i now am much more confident at creating the random data for testing queries if i dont have nice production data.

EDIT: I was able to find the CREATE TABLE and data inserts for the DB i used. It is based off of the script from Essential SQL on SQL Server 2008 by Sikha Bagui with some rather heavy modifications by me to better suit the 5 day course i wrote.


For faster help in answering any problems Please read How to post data/code on a forum to get the best help - Jeff Moden for the best way to ask your question.

For performance Issues see how we like them posted here: How to Post Performance Problems - Gail Shaw

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CourseScript.txt (33 views, 136.00 KB)
Jeff Moden
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T4FF (11/14/2012)
bitbucket-25253 (11/13/2012)
Just enter the term "SPACKLE" in the search window in the upper right hand corner of this page and give it a quick look over.


That is actually quite useful, but not what I'm looking for (this will be of value though!). What I'm looking for is exercises for the guys to do (who could be literally learning how to write a SELECT statement for the first time). I.e. can you pick out all the staff called bob from adventureworks who are right handed (random!). That kind of thing. I can write a load up myself, but I'm hoping someone else has done it for me :-D


Create a million row FizzBuzz table. FizzBuzz isn't a comment. It's the name of a very common problem based on a child's game, is frequently given on interviews, and is actually a wonderful teaching tool to show people the difference between RBAR, Hidden RBAR, and Set Based methods that use "Pseudo Cursors". Have them do it with explicit loops, with a recursive CTE, without either of those at least 3 different ways, and then measure and discuss the resource usage and performance differences. So far as I'm concerned, it's one of the more important concepts in SQL Server.

The other exercise would be to teach people how to use Books Online and Google.

--Jeff Moden

RBAR is pronounced ree-bar and is a Modenism for Row-By-Agonizing-Row.
First step towards the paradigm shift of writing Set Based code:
Stop thinking about what you want to do to a row... think, instead, of what you want to do to a column.
If you think its expensive to hire a professional to do the job, wait until you hire an amateur. -- Red Adair

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vikingDBA
vikingDBA
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Try this:

[url=http://www.sqlcourse.com/index.html][/url]
vikingDBA
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Well, that didn't work very well, did it. You get the picture.


http://www.sqlcourse.com/index.html
T4FF
T4FF
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Jeff Moden (11/14/2012)
Create a million row FizzBuzz table.


You saw this right??
T4FF (11/14/2012)who could be literally learning how to write a SELECT statement for the first time


:-D I'd scare them back to their departments with that ;-)



Jeff Moden (11/14/2012)The other exercise would be to teach people how to use Books Online and Google.

True!
T4FF
T4FF
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I'm not sure if I've explained myself very well, as none of the suggestions are quite what I'm after. We've got training material, books, CBTs and coaching. What I'm after is exercises to give them to go away and figure out, scenarios....like can you tell me how many employees are over 50, can you tell me how many employees have red cars, can you tell me how many employees surnames begin with a etc etc
starshayiz
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