postgresql or mysql

[jerrrry at voila.fr]

Hi,
i'd like to know which DB (postgresql or mysql) you advice me, to store accounting and see it thanks to the GUI dailupadmin ?  
can i find the same freeradius features with this 2 DB ?
i don't see 2 features , in  postgresql.conf:
- readclients = yes 
-Default profile  
that i see in sql.conf.  
are they implemented with postgre ?
Thank you for your help.
Thomas
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