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Sat May 24 12:28:29 EDT 2014

CHAR vs VARCHAR: speed?

Rule of thumb seems to be that speed wrt. key lookup/indexing isn't
much of an issue.  Storage impact is much larger.

[1] http://dba.stackexchange.com/questions/2640/what-is-the-performance-impact-of-using-char-vs-varchar-on-a-fixed-size-field



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