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Are there disadvantages to using a generic varchar(255) for all text-based fields?
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So a VARCHAR(255) in utf8 storing a short string like "No opinion" takes 11 bytes on disk (ten lower-charset characters, plus one byte for length) but it takes 765 bytes in memory, and thus in temp tables or sorted results.
I have helped MySQL users who unknowingly created 1.5GB temp tables frequ...
Disable Required validation attribute under certain circumstances
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answered Mar 20 '11 at 9:59
Darin DimitrovDarin Dimitrov
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How do you get a list of the names of all files present in a directory in Node.js?
... Christian C. SalvadóChristian C. Salvadó
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How can I find the current OS in Python? [duplicate]
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edited Oct 1 '19 at 11:38
djvg
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answered Se...
Ruby: Calling class method from instance
...s.some_class_method
– phoet
Dec 28 '11 at 11:22
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while this is the right answer, it's a shame th...
“Debug certificate expired” error in Eclipse Android plugins
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Jorgesys
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answered Feb 3 '10 at 23:50
Christopher ...
Frontend tool to manage H2 database [closed]
...nsole
– David d C e Freitas
Sep 12 '11 at 11:07
3
Console application is great and can be accesse...
MySQL select 10 random rows from 600K rows fast
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RiedsioRiedsio
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