Is there any MySQL built in function to convert datetime types to real numbers (float) 
i.e. seconds or days since a reference date? I can't find any in the manual.
If not, how do I best write a speedy one (conversion of calendar dates to Julian days 
is a bit tricky)?
Thanks in advance for any help or suggestion
H



Professor Håkan Elmqvist
Avdelningen för medicinsk teknik
Institutionen för laboratoriemedicin
KAROLINSKA INSTITUTET
Novum
141 57 Huddinge
Tel 46-8-585 837 55, Fax +46 (8) 585 877 79
epost [EMAIL PROTECTED]
Organisationsno. 01 202100-2973 01
Vat No. SE 202100297301


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