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mysql - how many columns is too many?

I'm setting up a table that might have upwards of 70 columns. I'm now thinking about splitting it up as some of the data in the columns won't be needed every time the table is accessed. Then again, if I do this I'm left with having to use joins. ...
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How do I pull my project from github?

...ub help – forforf Apr 15 '11 at 19:17 ...
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Separation of JUnit classes into special test package?

... Péter TörökPéter Török 107k2727 gold badges254254 silver badges326326 bronze badges ...
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Select random lines from a file

...that sort -R ? – Mona Jalal Mar 9 '17 at 3:06 1 @MonaJalal nope just faster, since it doesn't hav...
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Definition of a Balanced Tree

... edited Dec 18 '15 at 10:27 Sk8erPeter 6,16499 gold badges4242 silver badges6565 bronze badges answered ...
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What are the differences between vector and list data types in R?

... 77 Technically lists are vectors, although very few would use that term. "list" is one of several ...
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Simple basic explanation of a Distributed Hash Table (DHT)

... answered Sep 27 '08 at 20:59 HenryRHenryR 6,85166 gold badges3030 silver badges3838 bronze badges ...
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How to dynamic new Anonymous Class?

... 75 Anonymous types are just regular types that are implicitly declared. They have little to do wit...
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Prompt for user input in PowerShell

...words. – Matt Lyons Feb 3 '15 at 4:07 add a comment  |  ...
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Why doesn't Ruby support i++ or i--​ (increment/decrement operators)?

... 97 Here is how Matz(Yukihiro Matsumoto) explains it in an old thread: Hi, In message "[ruby-talk:...