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mysql null vs

mysql null vs  using -'mysql'

Is it better to use default null or default "" for text fields in MySQL?


Update: I know what means each of them. I am interested what is better to use considering disk space and performance.

Update 2: Hey ppl! The question was "what is better to use" not "what each means" or "how to check them"...

asked Sep 29, 2015 by atulpariharmca
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