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Site for good SQL learnings


Site for good SQL learnings

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enriquezreyjoseph
enriquezreyjoseph
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Group: General Forum Members
Points: 183 Visits: 191
dwain.c (10/8/2013)
The best learning is by doing, and I agree that this site is extraordinary for this.

Pick a problem that someone has posted and try to solve it yourself. You need not post your solution (you can always subscribe to the thread without posting to it) but compare what you come up with against what others suggest.

Not all solutions are equal. Judge them based on elegance and performance. Learn how to reliably test for performance using tools and articles suggested on this site.

Use the site to identify the most common, best-practice solutions for a wide variety of cases (e.g., creating a delimited string, parsing a delimited string, PIVOTs and UNPIVOTs for some examples) and then learn/understand the various approaches to other problems so that you can extend them to cases where it may not be so obvious that they apply.


Thanks Dwain..That's sound so "Fatherly Mentor"...Thank you and thanks to all...i got a long way to go:-)..but with God, I can always do it:-)..
dwain.c
dwain.c
SSCoach
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Group: General Forum Members
Points: 18099 Visits: 6431
enriquezreyjoseph (10/9/2013)
dwain.c (10/8/2013)
The best learning is by doing, and I agree that this site is extraordinary for this.

Pick a problem that someone has posted and try to solve it yourself. You need not post your solution (you can always subscribe to the thread without posting to it) but compare what you come up with against what others suggest.

Not all solutions are equal. Judge them based on elegance and performance. Learn how to reliably test for performance using tools and articles suggested on this site.

Use the site to identify the most common, best-practice solutions for a wide variety of cases (e.g., creating a delimited string, parsing a delimited string, PIVOTs and UNPIVOTs for some examples) and then learn/understand the various approaches to other problems so that you can extend them to cases where it may not be so obvious that they apply.


Thanks Dwain..That's sound so "Fatherly Mentor"...Thank you and thanks to all...i got a long way to go:-)..but with God, I can always do it:-)..


Blush


My mantra: No loops! No CURSORs! No RBAR! Hoo-uh!

My thought question: Have you ever been told that your query runs too fast?

My advice:
INDEXing a poor-performing query is like putting sugar on cat food. Yeah, it probably tastes better but are you sure you want to eat it?
The path of least resistance can be a slippery slope. Take care that fixing your fixes of fixes doesn't snowball and end up costing you more than fixing the root cause would have in the first place.


Need to UNPIVOT? Why not CROSS APPLY VALUES instead?
Since random numbers are too important to be left to chance, let's generate some!
Learn to understand recursive CTEs by example.
Splitting strings based on patterns can be fast!
My temporal SQL musings: Calendar Tables, an Easter SQL, Time Slots and Self-maintaining, Contiguous Effective Dates in Temporal Tables
below86
below86
SSCommitted
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Group: General Forum Members
Points: 1788 Visits: 2718
enriquezreyjoseph (10/9/2013)
dwain.c (10/8/2013)
The best learning is by doing, and I agree that this site is extraordinary for this.

Pick a problem that someone has posted and try to solve it yourself. You need not post your solution (you can always subscribe to the thread without posting to it) but compare what you come up with against what others suggest.

Not all solutions are equal. Judge them based on elegance and performance. Learn how to reliably test for performance using tools and articles suggested on this site.

Use the site to identify the most common, best-practice solutions for a wide variety of cases (e.g., creating a delimited string, parsing a delimited string, PIVOTs and UNPIVOTs for some examples) and then learn/understand the various approaches to other problems so that you can extend them to cases where it may not be so obvious that they apply.


Thanks Dwain..That's sound so "Fatherly Mentor"...Thank you and thanks to all...i got a long way to go:-)..but with God, I can always do it:-)..


Thank you for posting this question. I've been wondering lately what other sites would people who frequent this site use, now I have an answer. I know when I have a question or problem this is the first site I come to, and I usually find my answer.

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we travel not to escape life but for life not to escape us
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